Top 10 best powerbank 50000mah to go for 2018

Finding the best powerbank 50000mah to go suitable for your needs isnt easy. With hundreds of choices can distract you. Knowing whats bad and whats good can be something of a minefield. In this article, weve done the hard work for you.

Product Features Editor's score Go to site
MAXOAK 50000mAh 5/12/20v Portable Charger External Battery Power Bank for Laptop & Notebook-Most of Sony Dell Hp Toshiba Samsung Lenovo Acer IBM NEC Mobile Phone Tablet(not for Apple Laptop) MAXOAK 50000mAh 5/12/20v Portable Charger External Battery Power Bank for Laptop & Notebook-Most of Sony Dell Hp Toshiba Samsung Lenovo Acer IBM NEC Mobile Phone Tablet(not for Apple Laptop)
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Renogy 50000mAh 185Wh Portable Power Bank Generator Durable Charger External Battery for Laptop Acer Asus Compaq Dell Fujitsu HP IBM Lenovo NEC Samsung Sony Toshiba not for Apple Laptop Renogy 50000mAh 185Wh Portable Power Bank Generator Durable Charger External Battery for Laptop Acer Asus Compaq Dell Fujitsu HP IBM Lenovo NEC Samsung Sony Toshiba not for Apple Laptop
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Crave PowerPack CRVPP101 50000 mAh,Dual USB and Dual Laptop Ports Ultra-High Density Portable Power Bank Crave PowerPack CRVPP101 50000 mAh,Dual USB and Dual Laptop Ports Ultra-High Density Portable Power Bank
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Krisdonia 50000mAh Laptop Power Bank 5/8.4/9/12/16/20V Portable Charger with Type-C for Dell, HP, Lenovo, Acer and More Krisdonia 50000mAh Laptop Power Bank 5/8.4/9/12/16/20V Portable Charger with Type-C for Dell, HP, Lenovo, Acer and More
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Portable power bank real 10000mAh thin external battery charger , ultra slim thin design power bank with 2 USB ports for iphone 7 6s 6 plus ipad mobile phone pack(black) Portable power bank real 10000mAh thin external battery charger , ultra slim thin design power bank with 2 USB ports for iphone 7 6s 6 plus ipad mobile phone pack(black)
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Jonerytime 20000mAh Dual USB Portable Solar Battery Charger Solar Power Bank for Phone New (Orange) Jonerytime 20000mAh Dual USB Portable Solar Battery Charger Solar Power Bank for Phone New (Orange)
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POWEROAK Laptop's External Battery Charger Ultra high capacity 50000mAh Power Pack (5/12/20v)Portable Power Bank for Laptop&Notebook most of Sony Dell HP Toshiba Samsung Lenovo Acer Asus laptop &phone POWEROAK Laptop's External Battery Charger Ultra high capacity 50000mAh Power Pack (5/12/20v)Portable Power Bank for Laptop&Notebook most of Sony Dell HP Toshiba Samsung Lenovo Acer Asus laptop &phone
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XZB Solar Charger, 50000mAh Solar Power Bank Dual USB Backup Battery Pack Charger, Outdoor Portable Solar External Battery Charger With Led Flashlight For Hiking, Camping, More (Color : A) XZB Solar Charger, 50000mAh Solar Power Bank Dual USB Backup Battery Pack Charger, Outdoor Portable Solar External Battery Charger With Led Flashlight For Hiking, Camping, More (Color : A)
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Foraker K2 50000mAh Super Huge Capacity Power Bank, Portable Laptop Power Bank,Ultra-Compact, High-speed Charging Tech Power Bank for iPhone, Samsung Galaxy and Laptops,Christmas Gift Foraker K2 50000mAh Super Huge Capacity Power Bank, Portable Laptop Power Bank,Ultra-Compact, High-speed Charging Tech Power Bank for iPhone, Samsung Galaxy and Laptops,Christmas Gift
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M.E.R.A. 50000mah Power Bank, Dual USB Portable LCD, Battery Charger for Phone (White) M.E.R.A. 50000mah Power Bank, Dual USB Portable LCD, Battery Charger for Phone (White)
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Related posts:

1. MAXOAK 50000mAh 5/12/20v Portable Charger External Battery Power Bank for Laptop & Notebook-Most of Sony Dell Hp Toshiba Samsung Lenovo Acer IBM NEC Mobile Phone Tablet(not for Apple Laptop)

Feature

REAL ULTRA HIGH CAPACITY 50000mAh/185Wh: Compatible With Most Popular Laptops and Notebooks( Can not Charge Laptop with DC Current Over 4.5A/90W).We Provide 14 Kinds of Connector for Most of the Popular Laptops (Pls Make Sure the Connector Fits for Your Laptop before purchasing.). Once Fully Charged, Our K2 Portable Battery Pack Can Charge Your iPhone 6 Plus about 11 Times, iPhone 6 About 17 Times, Galaxy S6 Almost 11 Times
All IN ONE FAST CHARGE: It Has 6 Output Ports. One 20V/5A for Laptops, one 12V/2.5A for Digital Cameras, Two 5V/2.1A and Two 5V/1A For Most of Smart Phones, iPad, Tablet and More USB-Charged Devices. You Can Charge Several Devices Simultaneously to Save You Much Time. Ultra Energy Saving & Fast Charging Speed with DC input:16.8V/2.5A, OUR K2 Battery Pack Can Be Recharged in Just 6-8 Hours
MINIMAL SIZE & LIGHTEST: High Ratio of Dimension and Capacity. This Battery Pack May Be the Smallest for 50000mAh Laptop Power Bank, Size Only 8.1" x 5.3" x 1.3" And Weight 2.77lb.When You're On The Go You Can Quickly Tuck This Power Bank in Your Briefcase ,Backpack Or the Carrying Bag
SAFETY,Durable & Guaranteed: Constructed with Lithium-ion Polymer Battery Cells&Built-in 6 Security Protections to Ensure Safety Use and 1000+ Recharge Cycles. Four Intelligent LED Indicators Show the Remaining Power Capacity.We Are Manufacturer and R&D Each Product Ourselves,Take the Newest Technology & the Best Qualified Raw Materials, So We Have Full Confidence to Provide Our Esteemed Customer a 12 Months Hassle-free 100% Satisfaction & Replacement Warranty.
WHAT YOU CAN GET: 1 x Laptop power bank(K2),1 x Home charger, 1 x DC cable, 14 x Laptop charge connector, 1 x Multifunction bag, 1 x Manual

Description

Stay Connected for Emergency
Never have your laptop, cell phone, tablet run out of battery
The widest compatible Laptop Power Bank
11 kinds of connectors are supplied to assure a maximum compatibility with a wide range of popular laptops notebooks.

Please verify your laptop connector/Adapter Before Purchasing:
Laptop connector/Adapter included in the Package (DC 5.5*2.1mm to below adapter) :
A:6.0/1.4(6.5*4.4mm)FUJITSU/SONY
C:5.5/2.5mm ACER/ASUS/IBM/DELL/HP/COMPAQ/FUJITSU/TOSHIBA/NEC
E:5.5/1.7mm Acer
F:4.8/1.7mm HP
H:5.0/1.0mm Samsung
I:7.4/0.6mm(or 7.4/5.0mm) DELL/HP
Fordell: 7.4/0.6mm(or 7.4/5.0mm) DELL
K:7.9/0.9mm(or 7.9/5.5mm) IBM/LENOVO
L:3.0/1.1mm Samsung
O:4.5/3.0mm only for HP, not fit for Dell Laptop.
Lenovo: fits for LENOVO laptop with square head with a thread in the middle
If you adapter is not included as above, or you are not sure whether your laptop can be charged by our power bank or not, pls contact seller for online help.

Tips:
Low shutdown current for 5V port:70mA
Low shutdown current for 12V port:150mA
Low shutdown current for 20V port:200mA
High shutdown current for 20V port:>5A

If your laptop turn off automatically for several seconds or minutes, it may caused by overcurrent protection. Please close the screen of your laptop, and then use our power bank to charge the laptop.

Can charge Surface Pro 3(but need buy the cable yourself-DC5.5*2.1mm to surface pro connector)
Cann't charge Surface Pro 4(only if DC 15V)
Cann't take on airplane
Cann't charge Lenovo Yoga 3 14, yoga 900(20V 3.21A), yoga 3 11 13 milx 4 700s(20v 2a)
Cann't charge dell xps 12
4.0*1.35mm adapter for ASUS UX21A UX31A UX32A UX305FA 3.42A Zenbook UX303 UX303LN UX303LA UX305 42 UX52VS&More(search B01LAA95C2 on amazon)
4.5*3.0mm adapter for Dell XPS 13 L321X&More(search B01LA9KSN8 on amazon)

2. Renogy 50000mAh 185Wh Portable Power Bank Generator Durable Charger External Battery for Laptop Acer Asus Compaq Dell Fujitsu HP IBM Lenovo NEC Samsung Sony Toshiba not for Apple Laptop

Feature

High Capacity and Multi-function 50000mAh/185Wh battery with one 19V/3A for laptops, one 12V/2.5A for digital cameras, two 5V/2.1A and two 5V/1A for most of smart phones, iPad, tablet and more USB powered devices.
Laptop Compatibility Acer, Asus, Compaq, Dell, Fujitsu, HP, IBM, Lenovo, NEC, Samsung, Sony, Toshiba (Apple Laptops draw > 5 Amps, not supported).
Portable Size and Durable Only 8.1" x 5.3" x 1.3" And Weight 2.77lb. Can fit in your briefcase, backpack or carrying bags easily. The aluminum shell is fire, friction, corrosion, extrusion resistant and scratch proof.
Package Contents 1 x Laptop Power Bank,1 x AC Wall Outlet Adapter,1 x USB Charging Cable (for the power bank) ,1 x Laptop Charging Cable, 10 x Laptop Charge Adapter, 1 x Manual.
Safety Technology Overcharge, over discharge, overvoltage, overcurrent, short circuit and restoring protections. Ensure 1000+ recharge cycles and keeps constant power output for the devices.

Description

We all know how frustrating and dangerous it can be when you are in a remote area and your phone battery depletes to an unusable level. Carry this power pack with you! Designed to fulfill the needs of even the most power hunger. You can not only charge up your phones and tablets but also use any car your laptops. With the extra laptop power adapters, make your choice according to your need.
The aluminum alloy shell is ready for the tricky conditions you might face. No matter you are a professional on the go, camper, a freelancer, a photographer, a journalist, business man, this power pack will be able to support most of your devices.

Laptop Compatibility:
A. 6.0/1.4mm (Fujitsu, Sony)
B. 6.3/3.0mm (NEC, Toshiba)
C. 5.5/2.5mm (Acer, ASUS, DELL, Fujitsu, HP, IBM, NEC, Toshiba)
D. 5.5/2.1mm (DELL, HP)
E. 5.5/1.7mm (Acer)
H. 5.0/1.0mm (Samsung)
G. 4.0/1.7mm (BenQ, Acer, Sony)
J. 7.4/5.0mm (DELL)
K. 7.9/5.5mm (Lenovo, IBM)
R. Lenovo square head

Notes :
Low shutdown current for 5V port:70mA
Low shutdown current for 12V port:150mA
Low shutdown current for 20V port:200mA
High shutdown current for 20V port:>4.5A

3. Crave PowerPack CRVPP101 50000 mAh,Dual USB and Dual Laptop Ports Ultra-High Density Portable Power Bank

Feature

WHAT DOES IT WORK WITH?: Compatible with most Laptops & Notebooks (Make sure your laptop charger draws under 5 Amps, Auto Shutoff above 5 amps) Please check your adapter size and compatibility PRIOR to purchase if unsure.
COMPACT & PORTABLE: Our external battery charger is not only powerful, it fits conveniently in your bag, suitcase or purse. Tightly packaged under 3 pounds, you can take it wherever you go and never run out of power. You never have to stop for an outlet again! When your smartphone, tablet or laptop start losing charge, just pull your Crave PowerPack battery charger out of your bag and recharge it in no time.
BLAZING CHARGE TIME: At 50000mah, you can charge your devices to full capacity quickly and efficiently. Not only that, but each fully-charged Crave PowerPack power bank can charge your smartphone from 0-100% battery power up to 15 times!
LAPTOP COMPATIBILITY: Acer, Asus, Compaq, Dell, Fujitsu, HP, IBM, Lenovo, NEC, Samsung, Sony, Toshiba (Apple Laptops draw > 5 Amps, not supported)
PORT COMPATIBILITY: 1 20V/3 Amp Port for Laptops, 1 12v/2.5 Amp Port for Camera a misc, 2 5v/2.1 Amp USB Ports For Tablets & 2 5v/1.0 Amp Ports for SmartPhones and misc.

Description

Keep your smartphones and tablets charged for days on end without every searching for a wall socket!

Whether you're at work, at the park, or on an adventure in the mountains, it absolutely stinks when your smartphone or tablet runs out of battery power and you're stuck without a connection to your friends and family. But thanks to the powerful Crave PowerPack Portable External Battery Charger, you can stay on the go and keep your devices fully charged for days on end without ever having to reach for a wall socket.

Portable, compact and lightweight, the Crave PowerPack Portable Battery Charger offers universal compatibility with all your favorite smartphones, tablets and mobile devices. Whether you need a external battery power bank for your Samsung Galaxy or the best battery charger for your iPhone 6, our external battery charger will extend the power of each and every one of your devices, so you never have to slow down, be without contact or miss out on sports scores.

Laptop Charger Adapters included (please verify your laptop connector):

A 6.0/1.4mm (Fujitsu, Sony)

C 5.5/2.5mm (Acer, Dell, IBM, Fujitsu, HP, NEC, Sony, Toshiba)

E 5.5/1.7mm (Acer)

F 4.8/1.7mm (HP)

H 5.0/1.0mm (Samsung)

I 7.4/.6mm (Dell, HP)

K 7.9/.9mm (IBM, Lenovo)

L 3.0/1.1mm (Samsung)

H 5.0/1.0mm (Samsung)

O 4.5/3.0mm (HP)

The Crave PowerPack Portable External Battery Charger includes these amazing features:

Fits in your bag or suitcase

Universal compatibility with iPhone, Samsung, tablets, laptops and more

Lightweight and durable

50000 mah

Ultra-fast charging

4 USB Charging Ports

2 Laptop power supply ports

Crave PowerPack

Micro USB Cable

Travel Pouch

User Guide

Click "Add to Cart" above to get your portable charger today!

4. Krisdonia 50000mAh Laptop Power Bank 5/8.4/9/12/16/20V Portable Charger with Type-C for Dell, HP, Lenovo, Acer and More

Feature

ALL IN ONE QUICK CHARGE: It has 4 output ports(TYPE-C, USB1, USB2, DC OUT). DC-OUT for Most Laptops: 5V/8.4V/9V/12V - 3A (max); 16V(compatible 16.5V) / 20V(compatible 19V, 19.5V) - 4.7A (max). Two USB Ports for Smartphones: 5V/9V/12V - 3A (support Quick Charge 3.0). Type-C for New Macbook 12" and Smartphones/Tablets: 5V/9V/12V - 3A. DC-IN 19V/2A enables our power bank to be recharged in just 6-8 hours.
REAL CAPACITY 50000mAh/185Wh: Compatible with most popular laptops and notebooks. We provide 28 kinds of connector for most of the popular laptops including Apple Macbook Pro & Air (Pls make sure the connector fits for your laptop before purchasing).
BRIGHT LED DISPLAY & PORTABLE SIZE: Bright Led display builts in battery to show the DC voltage and available capacity of the power bank. 7.6'' x 5.9'' x 1.1'' and 2.55lb make it easy to carry on. You can quickly put it in your briefcase, backpack or carrying bag when you're on the go.
WHAT YOU GET: 1 x Krisdonia Laptop Power Bank, 1 x Multifunction Bag, 1 x Charger, 1 x Magsafe2 Cable, 1 x DC Cable, 1 x USB Cable, 28 x Laptop Charge Connector, 1 x Use Manual
SAFETY DURABILITY & GUARANTEE: Constructed with Lithium-ion Polymer battery cells and built in 6 security protection, our Krisdonia power bank is safe to use. As the manufacturer, we keep reseaching and developing our products to provide the best products to our customers. And we provide our Krisdonia customers a 12-month 100% satisfaction warranty

Description

Product Specification:
Battery capacity: 50000mAh
Battery type: li-polymer battery
DC Input: 19V/2A
TYPE-C Output: 5V/9V/12V 3A (max)
2 USB Output: 5V/9V/12V 3A (max)
DC Output: 5V/8.4V/9V/12V 3A (max)
16V(16.5V)/20V(19V, 19.5V) 4.7A (max)
Compatibillty: MacBook, MacBook pro, notebooks, digital camera, Projector,psp, wireless router, tablet PCs, cell phones, etc.

Instruction for Use:
When charging laptop with DC-OUT port, first, press the power button for two seconds to turn on, then double click the button to adjust the voltage to your laptop's voltage and it can start charging.
When charging devices with Type-C or USB1/2, you don't need to adjust the voltage; press two seconds to turn on the power bank and connect your devices with it directly.

28 Laptop Connectors:
1.4.8*1.7mm for HP,Compaq,Datle
2.5.0*1.1mm for Samsung
3.5.5*1.7mm for Acer
4.5.5*2.1mm for Acer,SONY
5.5.5*2.1mm for Benq,Acer,Toshiba,Compaq,NEC,IBM,HP
6.5.5*2.5mm for Datle,Fljitsu,Liteonit,Dell,IBM,HP,ASUS,Compaq
7.6.3*3.0mm for Toshiba,Acer,NEC
8.6.4*4.4mm for SONY,Fljitsu,Samsung
9.3 pin for Dell
10.4 pin for Toshiba
11.7.4*5.0mm for HP,DELL
12.4.5*3.0mm for HP,ASUS ZenBook UX501(19.5V 6.32A) For Folio 9470m C8K20PA
13.7.4*5.0 for Dell
14.7.9*5.5mm for Lenove, IBM, Thinkpad
15.2.0*0.5mm for Nokia
16.for Levono Thinkpad Ultrabook X230S/S3/S5/X1/E431...Yoga 11s/Yoga 13
17.2.5*0.7mm for the most of the tablet pcs
18.4.0*1.35mm for ASUS
19.4.5*3.0mm for Dell
20.3.0*1.0mm Acer S5, S7, W700, X313, M3
21.3.5*1.35mm for Dell, Sharp
22.4.0*1.7mm for Asus, Benq, Acer, Sony
23.4.8*1.7mm for HP, ASUS, NEC, Datle, Compaq.
24.5.0*2.1mm
25.5.5*1.5mm
26.5.5*2.5mm
27.5.5*2.5mm for Lenovo
28.5.5*2.5mm

Click "Add to Cart" above to get your portable charger today!

5. Portable power bank real 10000mAh thin external battery charger , ultra slim thin design power bank with 2 USB ports for iphone 7 6s 6 plus ipad mobile phone pack(black)

Feature

High capacity & compatibility :100% real 20000mAh, powerful enough to charge the iphone 7 about 4 times, universal for iPhone 7/6/6s plus 5s/5/4s
HIGH-SPEED CHARGING: This portable charger can power 2 devices simultaneously up to 3.4A total maximum speed (USB 1: 5V/1A , USB 2: 5V/2.4A). Less charging time yet more charging cycles.
SMART IC TECHNOLOGY: Through the Smart Intelligent Control Technology and output adjustment, the current automatically matches the device being charged.
SAFETY GUARANTEED: It is built with multiple protection system against overcharging, overheating, excessive current and/or short circuit.
SMART DESIGN: This portable battery charger is lightweight and convenient. The smart LED indicates the remaining power of the battery.

Description

The 20000mAh Power Bank is a high capacity back-up battery designed to recharge your mobile devices on-the-go. It has high-quality Lithium Polymer Battery Cells to ensure safety, more power and a longer life. Through intelligent control technology and output adjustment, the current automatically matches the device being charged. It is compatible with most devices and supplies a more rapid and safer charge without causing any damages.
This portable battery charger is sleek, lightweight and convenient - you won't need to worry about your device dying when you need it the most! Its compact size makes it perfect for travelling or as an emergency power source. The bright smart LED charging indicators makes the Nekteck Power Bank even more convenient to use. You will never go powerless again!

6. Jonerytime 20000mAh Dual USB Portable Solar Battery Charger Solar Power Bank for Phone New (Orange)

Feature

Size: 161*75*17MM===Battery capacity: 20000mah
Dual USB port, enable to charge 2 different interface accessories
Emergency charger for cell phone and other compatible devices.
Stylish, portable ,user-friendly and durable for on the go use. High capacity,solar powered,environmentally-friendly.
Package Includes : 1 x Mobile Charger === 1 x USB Charge Cable === 1 x Couple

Description

=^_^= Hi, Dear Friend, Welcome to Jonerytime. =^_^=

Feature:


Brand new and high quality.
Stylish, portable ,user-friendly and durable for on the go use.
High capacity,solar powered,environmentally-friendly.
Emergency charger for cell phone and other compatible devices.
Dual USB port, enable to charge 2 different interface accessories
Battery capacity: 20000mah
Size: 161*75*17MM
Solar Panel: 1.2W
Input voltage: DC 5V 1A
Output 1: 5V 1A
Output 2: 5V 2.1A
Weight:300g
Material: polymer lithium-ion batteries
Note:20000mAh is a theoretical capacity from
Package Included:
1 x Mobile Charger
1 xUSB Charge Cable
1 x Couple

About review:

🌸We can give you a very fast delivery and good customer service, so I believe you will have a wonderful shopping experience.

🌸 If you have any dissatisfaction with your item, please email us before you leaving any 1 or 2 ratings, negative feedback.Your satisfactory is always our Priority, We will do our best to resolve the issues.

🌸If you are satisfied with our service, please leave us a 5 star positive feedback.

About Product:

🌸If you receive damaged items or your item have anything wrong, please be free to contact us , we will try our best to solve it.

7. POWEROAK Laptop's External Battery Charger Ultra high capacity 50000mAh Power Pack (5/12/20v)Portable Power Bank for Laptop&Notebook most of Sony Dell HP Toshiba Samsung Lenovo Acer Asus laptop &phone

Feature

1.ULTRA HIGH CAPACITY POWER BANK-50000mAh/185Wh(TSA are not Approved for Airline Travel/external battery charger) adequate supply for your laptops,phones and tablets,K2 portable battery can charge your iPhone 6 Plus nearly 11 times,iPhone 6 more than 17 times,Galaxy S6 almost 11 times,no trepidation about power shortage, let you charge your devices any time,and facilitating your travel life more beautiful.This This Battery Pack Can Be Recharged in Just 6-8 Hours.
2. MULTI-FUNCTIONAL INTERFACE-It Has 6 Output Ports. One 20V/5A for Laptops, One 12V/2.5A for Digital Cameras, Two 5V/2.1A and Two 5V/1A For most of Smart Phones, iPad, Tablet and More USB-Charged Devices. It can charge several devices simultaneously and fast. laptop connector contains Lenovo, DELL, Toshiba, SONY, HP and etc. make you charge your laptop anytime, anywhere. And the best protecting devices making you use it under more secure and more assured conditions.
3.IMPROVED SAFETY TECHNOLOGY-Constructed with Lithium-ion Polymer, Battery Cells built-in 6 security protections to ensure, make it safety use and 1000+ recharge cycles. Keeping constant power output for charging the devices, also with preventing overcharge/over discharge/overvoltage/overcurrent/short circuit function and restoring protection.
4.LED INDICATOR WITH ALUMINUM SHELL AND EXQUISITE DESIGN-The smallest size currently for 50000mAh Laptop Power Bank in market, Minimum size & lighest weight,exquisite design make it easy to tuck this power bank in your briefcase backpack.The shell is fire retardant,friction resistant/corrosion resistant/extrusion resistant and hardly scratch;More comfortable when using arc design than ordinary angular design,Four LED indicator let you known its real-time status of electric power capacity.
5.FULLY FURNISHED- 14 connectors,1 x MAXOAK Laptop Battery,1 x Home charger,1 x DC cable,1 x Multifunction bag,1 x Manual,Total 14 kinds of connectors are supplied to assure a maximum compatibility with a wide range of popular laptops notebooks. One package include everything you need and it can support to charge your different laptops

Description

The external battery charger/power bank has 2 output ports to charge laptop,12V fit for 122V;20V fit for 202V.

When you purchasing K2,plz check your laptop connector/Adapter at first:
Laptop connector/Adapter in the Package(DC5.5*2.1mm to below adapter):
A:6.0/1.4(6.5*4.4mm)FUJITSU/SONY
C:5.5/2.5mm ACER/ASUS/IBM/DELL/HP/COMPAQ/FUJITSU/TOSHIBA/NEC
E:5.5/1.7mm Acer
F:4.8/1.7mmHP
H:5.0/1.0mm Samsung
I:7.4/0.6mm(or7.4/5.0mm) DELL/HP
Fordell:7.4/0.6mm(or7.4/5.0mm)DELL
K:7.9/0.9mm(or7.9/5.5mm) IBM/LENOVO
L:3.0/1.1mm Samsung
O:4.5/3.0mm only for HP, not fit for Dell Laptop.
Lenovo: fits for LENOVO laptop with square head with a thread in the middle
(Not suitable for Lenovo laptop with half solid and half hollow)
FOR DELL:4.5*3.0mm Dell laptop with 4.0*3.0mm
N:4.0*1.35mm ASUS laptop with 4.0*1.35mm connector
G:4.0*1.7mm Lenovo laptop with 4.0*1.7mm connector
Plz check the adapter size of your laptop and whether it is included as above.

Tips:
Low shutdown current for 5V port:70mA
Low shutdown current for 12V port:150mA
Low shutdown current for 20V port:200mA
High shutdown current for 20V port:>5A

If your laptop turn off automatically for several seconds or minutes, it may caused by overcurrent protection. Please close the screen of your laptop, and then use K2 power bank to fully charged your laptop at first .
If you are trying to power a Windows laptop and the battery keeps disconnecting over and over, You need to go into power setting: Find the setting for"Turn Harddrive off after"and set that to NEVER,and in power options DISABLER "Intel Cppc Energy Saving"

How Can i Know Whether My Laptop Will Cause Power Bank Overcurrent or not?
Plz check the label pasted on the adapter,if it is more than 90W (DC output current is more than 5A).
It may cause K2 turn off during charging for overcurrent.

8. XZB Solar Charger, 50000mAh Solar Power Bank Dual USB Backup Battery Pack Charger, Outdoor Portable Solar External Battery Charger With Led Flashlight For Hiking, Camping, More (Color : A)

Feature

Built to Last water-resistant, dust-proof and shock-resistant, non-slip. Military-grade construction, easily resists drops and bumps on rocks while outdoors, dependable in all outdoor conditions.
Support Quick ChargeUp to 4 times faster than normal ones, offering ultra fast charge speeds up to 18W, can charge compatible devices to 80% in just 35 minutes.
50000mAh High CapacityJust one enough on-the-go. Keep your phones, camera and other devices charged and never worry about running out of batteries.
Fastest Recharging power bank can be super fast recharged in 6 hours, saving your charging time up to 50% than others.
Solar Powered Charger Built with 5W high conversion efficiency solar panel. It's a great way of getting the energy to top up the outdoor power bank for free.

Description

Product parameters: Size 160*85*22MM

Weight: 469.5G

Power capacity: 20000 mA

Input Power: Micro USB 5V/2A (Max)

Output power: USB1 5V/1A

Solar charging: 5V/200ma (Max)

Conversion rate: up to 90%.

Applicable type: Universal

Battery Type: Soft Case

Shell material: plastic

Additional features: solar energy

Size: 160x80x22mm

Power supply capacity: solar panel 20000 mA

9. Foraker K2 50000mAh Super Huge Capacity Power Bank, Portable Laptop Power Bank,Ultra-Compact, High-speed Charging Tech Power Bank for iPhone, Samsung Galaxy and Laptops,Christmas Gift

Feature

Super Large Capacity With 50000mAh/185Wh: Your power backup when hurrican is coming. Compatible With Most Popular Laptops and Notebooks( Can not Charge Laptop with DC Current Over 4.5A/90W).We Provide 14 Kinds of Connector for Most of the Popular Laptops (Please Make Sure the Connector Fits for Your Laptop before purchasing). Once Fully Charged, Our K2 Portable Battery Pack Can Charge Your iPhone 7 Plus about 11 Times, iPhone 7 About 17 Times, Galaxy S8 Almost 11 Times
All In One Fast Charge: It Has 6 Output Ports. One 20V/3A for Laptops, one 12V/2.5A for Digital Cameras, Two 5V/2.1A and Two 5V/1A For Most of Smart Phones, iPad, Tablet and More USB-Charged Devices. You Can Charge Several Devices Simultaneously to Save You Much Time. Ultra Energy Saving & Fast Charging with DC input: 16.8V/2.5A, Our K2 Battery Pack Can Be Recharged in Just 6-8 Hours.
Slim Unibody & Light Weight: Ultra Compact Slim Unibody with Super Large Capacity. This Battery Pack May Be the Smallest for 50000mAh Laptop Power Bank, Size Only 8.1" x 5.3" x 1.3" And Weight 2.77lb. When You're About To Go, You Can Quickly Put This Power Bank in Your Briefcase ,Backpack Or the Carrying Bag.
Safe & Durable: Constructed with Lithium-ion Polymer Battery Cells & Built-in Multi Protections to Ensure Safe Use and Long Lifespan. 1000+ Recharge Cycles Lifespan of the Battery. Four Intelligent LED Indicators Show the Remaining Power. We Are the Designer and Manufacturer with High Technology. We Produce Our Products Only with the Best Raw Materials and the Newest Technology.
What You Get: 1 x Laptop power bank(K2),1 x Home charger, 1 x DC cable, 1 x USB Cable, 14 x Laptop charge connector, 1 x Multifunction bag, 1 x Manual

Description

Always Stay Connected To Power With Our Super Large Capacity Portable Power Bank K2!

What is K2?
K2 is a portable power bank designed for Cell Phones and Laptops and other electronic devices.
It is designed and manufactured by Foraker, which is a company specialized in developing Li-ion polymer battery.
Foraker aims to enhance your life with your electronic devices.

What can K2 do for you?
1,Charge your mobile phones such as iPhone, Samsung, Google Pixel, HTC and more.
2,Charge your Pad and tablets such as iPad and other Android tablets.
3,Charge your laptops such as Dell,HP,Samsung,Asus, and more, but not Apple laptops.
The Widest Compatible Laptop Power Bank
Total 14 kinds of connectors are supplied to assure a maximum compatibility with a wide range of popular laptops notebooks.

Parameters of K2
Capacity: 50000mAh
Output: USB Port 5V/2.1A Each*2
USB Port 5V/1A Each*2
DC1 12V/2.5A
DC2 20V/3A
Input: 16.8V/2.5A
Charging time: 6-8 Hours
Life Cycles: >1000 Times
Weight: 2.77lb
Dimension: 7.78in x 5.34in x 1.02in

Service:
1, 12 Months Warranty
2, 7*24 Hours Friendly and Efficient Custom Support Service

Important Note:
1,Protection:
If your laptop turns off automatically for several seconds or minutes, it may be caused by overcurrent/low-current protection.
2, Before buying, please check the label on your adaptor, if the DC output voltage is 20V or the current is more that 4.5A, our K2 can not charge it.
3, Can't charge Surface Pro 4, Lenovo Yoga 3, Yoga 900, Dell Xps12(Type C), Apple Laptops.
4, Can't be recharged by solar panel or car charger.

What You Get: Laptop power bank(K2) x 1, Home charger x 1, 1 x DC cable, 14 x Laptop connector, 1 x Multifunction bag, 1 x Manual

10. M.E.R.A. 50000mah Power Bank, Dual USB Portable LCD, Battery Charger for Phone (White)

Feature

-It is small size allows you to carry the power source wherever you go. 2 USB port, can charge 2 devices at the same time, convenient for you.
-Electricity-saving function, Protection for overcharge, over discharge, overload, and short circuit, safe and precision, perfect for using on travelling and outdoor activities.
-IC Protection for charging. Double-click the key to open the LED light, click again to turn off the LED light.
-ON the Intelligent digital display you can see battery charge and discharge status
-You can use to charge for: Universal, For Alcatel X1, For BLU Vivo 5, For HTC Windows Phone 8X, For Huawei Honor 7, For Huawei P8, For Huawei P9 lite, For iPhone 5s, For iPhone 6, For iPhone 6 Plus, For iPhone 7, For iPhone 7 Plus, For iPhone 8, For iPhone 8 Plus, For Lenovo ZUK Z2, For Motorola Nexus 6, For Samsung Galaxy S7 edge, For Samsung Galaxy S8+, For Xiaomi Mi 5

Description

On the Intelligent digital display you can see battery charge and discharge status. Power of the power bank is 50000mAh. 2 USB port, can charge 2 devices at the same time, convenient for you. You can use to charge for =: Universal, For Alcatel X1, For BLU Vivo 5, For HTC Windows Phone 8X, For Huawei Honor 7, For Huawei P8, For Huawei P9 lite, For iPhone 5s, For iPhone 6, For iPhone 6 Plus, For iPhone 7, For iPhone 7 Plus, For iPhone 8, For iPhone 8 Plus, For Lenovo ZUK Z2, For Motorola Nexus 6, For Samsung Galaxy S7 edge, For Samsung Galaxy S8+, For Xiaomi Mi 5. Specifications: Size:145mm*70mm*17mm . Material: ABS + PC flame retardant material . Battery type: polymer battery . Input: 5V / 2.1A . Output 1: DC5V = 1.0A .Output 2: DC5V = 2.1A Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.

Conclusion

By our suggestions above, we hope that you can found the best powerbank 50000mah to go for you. Please don't forget to share your experience by comment in this post. Thank you!

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