Top 9 voltage exchanger
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1. BXQINLENX 600L/H 19W DC12V CPU Cooling Heat Exchanger Water Pump Tank 255 ml CO2 Cooler
Feature
158.5 GPH (600L/H) 19W, perfect for CPU cooling system.Threaded connections: G 1/4" input and G 1/4" output.
Head: max 5 Meter, Working life: 50000 hours
Water tank capacity: 255 ml,
100% brand new and Three month warranty.
Description
LENX 600L/H 19W DC12V CPU Cooling Heat Exchanger Water Pump Tank 255 ml CO2 CoolerFeatures :
Power consumption:19W
Rated voltage: DC 12V
Rated current: --------
Max flow rate: 600L/H (158.5GPH)
Max static head: 5m (16.4FT)
Diameter of inlet: G 1/4"
Diameter of outlet: G 1/4"
Lifespan: More than 50,000hrs
Power supply: DC electric source
Ceramic shaft + ceramic bushing
Speed:--------
The Water Tank Size:length 210 MM, diameter 50MM.
NOTE:
1. Working at rated voltage (DC12V).
2. This pump is centrifugal pump, it can't vent the air automatically, so it must be operated by submersible installation. (If outside water installation, you should make sure it is installed below the liquid surface)
3. When blocking, long-running is not allowed.
4. Preventing any hard particles entering the pumps.
5. Ceramic bearing, graphite sleeve, very quiet, when using anhydrous idling is forbidden
Package:
1 X Water pump
1 X Water Tank
2 X G 1/4" TO 5/16"
1 X Water Block
1 X G 1/4" TO G 1/4"
2 X Stents
6 X Screws
2. The Handbook of Lithium-Ion Battery Pack Design: Chemistry, Components, Types and Terminology
Description
The Handbook of Lithium-Ion Battery Pack Design: Chemistry, Components, Types and Terminology offers to the reader a clear and concise explanation of how Li-ion batteries are designed from the perspective of a manager, sales person, product manager or entry level engineer who is not already an expert in Li-ion battery design. It will offer a laymans explanation of the history of vehicle electrification, what the various terminology means, and how to do some simple calculations that can be used in determining basic battery sizing, capacity, voltage and energy. By the end of this book the reader has a solid understanding of all of the terminology around Li-ion batteries and is able to do some simple battery calculations.
The book is immensely useful to beginning and experienced engineer alike who are moving into the battery field. Li-ion batteries are one of the most unique systems in automobiles today in that they combine multiple engineering disciplines, yet most engineering programs focus on only a single engineering field. This book provides you with a reference to the history, terminology and design criteria needed to understand the Li-ion battery and to successfully lay out a new battery concept. Whether you are an electrical engineer, a mechanical engineer or a chemist this book helps you better appreciate the inter-relationships between the various battery engineering fields that are required to understand the battery as an Energy Storage System.
- Offers an easy explanation of battery terminology and enables better understanding of batteries, their components and the market place.
- Demonstrates simple battery scaling calculations in an easy to understand description of the formulas
- Describes clearly the various components of a Li-ion battery and their importance
- Explains the differences between various Li-ion cell types and chemistries and enables the determination which chemistry and cell type is appropriate for which application
- Outlines the differences between battery types, e.g., power vs energy battery
- Presents graphically different vehicle configurations: BEV, PHEV, HEV
- Includes brief history of vehicle electrification and its future
3. MOUNTAIN_ARK Mini Submersible Water Pump 240L/H 63 Gallon Amphibious Pump For Aquarium Garden Pond Fall Hydroponic Fountains
Feature
Voltage: DC12V/4.8W AC is forbiden)Max Flow: 240L/H (63 Gallon); H-Max (Lift height): 0-3m (pls add a water pipe if you need to reach 3M, you may reference picture 7)
Super quiet operation, safety and durable
Suitable for both fresh-water and salt-water
Great use in aquarium, fountains, spout and hydroponic
Description
Features:- This submersible pump is designed for reliable fountains
- Can be used as the amphibious pump
- Waterproof and long continuous working time provide you an amazing glow
- Unique design of motor and pump body structure, low power consumption and longer life
- Extremely quiet operation and wide application
- Dual connecting ways with tubes of variety sizes
- Safety, anti-corrosive, acid-resisting and durable
- Suitable for both fresh-water and salt-water. Applied in aquarium, fountains, spout, fish tank, garden watering and hydroponic
Specifications:
- Voltage: DC12V
- Power: 4.8W
- Max Flow Rate: 240L/H
- H-Max (Lift height): 0-3m (pls add a water pipe if you need to reach 3M, you may reference picture 7)
- Working Temperature: 0 - 35
- Cable Length: 45cm
- Size: 2.1 x 1.5 x 1.4 inch
- Gross Weight: 105g
Note
- Confirm the supplied voltage is stable and required
- Do not use it into flammable liquid
- Better working temperature is 0 - 35 degrees Celsius
- Cut the power OFF when install, detach or clean
- 3m fountain can be reached by connecting a water pipe with 3m length - Not Included
- The black line is negative pole; the red line is positive pole
Package Included:
1 x Submersible Water Pump
4. DIY Thermoelectric Cooler Refrigeration Air Cooling Device 4-Chip TEC1-12706 12V 288W
Feature
Rated voltage: DC 12V; Rated current: 17A; Maximum power: 288W; Maximum current: 24ACan be used for 20L space cooling, air temperature can be cooled to 5-8 degrees than normal
Low noise, no vibration, no refrigerant required, easy to use
Simple operation, cooling quickly, outstanding performance
Suitable for small space cooling, semiconductor refrigeration theory learning and cooling equipment planning
Description
Specifications:Maximum power: 288W (15.4v)
Maximum current: 24A
Rated voltage: DC 12V
Rated current: 17A
Refrigeration power: 170W
Product size: 1806562mm/7.092.562.44
Package Includes:
440*40mm fan
1Cooling block
1Water Block
3 setsfixtures
1 setscrew(6pcs screws + 16pcs fan screws)
4TEC1-12706
Note:That thermoelectric cooler we sell is finished product, you don't need to assemble.
5. EcoSmart ECO 27 Electric Tankless Water Heater, 27 KW at 240 Volts, 112.5 Amps with Patented Self Modulating Technology
Feature
Savings of up to 50% on water heating costs. Dimensions :17H x 17W x 3.625D inches ;Pipes fittings :3/4 inch NPTDigital temperature control in 1-degree increments allows control of hot water
Copper and stainless components designed for efficiency, durability and easy replacement.
Compact size saves valuable storage space, while the stylish and advanced design is pleasing to the eye and Copper and stainless components designed for efficiency, durability and easy replacement.
Prior to purchase & installation, please verify that this model is the right size for your hot water needs and electrical requirements. Electrical requirements: 27 kW, 240 volts, (3) 40 required breakers, 112.5 maximum power (AMP), (3) 8 required wire.
Required Breaker Quantity: Three 40 Amp Double Pole
Recommended Electrical Panel: 200 Amps
NEVER run out of hot water with an ECOSMART tankless water heater.
Save up to 12 cubic feet of storage space.
Digital temperature control in 1-degree increments gives users complete control of hot water
Description
Configured for cold climates or high flow rates. Well suited where incoming water temperature can drop below 45 F. For use in more demanding water usage applications. Self modulating flow sensor technology regulates the amount of energy required to heat the water needed. Digital temperature display showing the outlet water temperature setting. Uses (3) 9 KW standard Emerson electric heating elements with brass tops to prevent electrolysis. Copper heat exchanger. Automatic resettable thermostat. (3) 40 DP breakers required. 112A draw. Required wire: 3 sets 8 AWG. Pipe fitting: 3/4'' NPT. Energy efficiency: 99.8%. UL and CSA certified.Weight: 11 lb. Lifetime warranty.6. EnPoint 12V Brushless Pump, Ultra Quiet Crystal Micro Pump Motor DC 12V 3M Head 8LPM 2.1GPM 130 Max Temp Amphibious Use Discharge Transparent Mini Body for Hot Water Circulation Solar Collector
Feature
Amphibious Design: Available For Ashore Or Submersible Use! Never Bothering!Max Water Head: 3m, Max Flow Rate: 8L/Min.Transparent And Elegant Made Body!
Rated Voltage: 12V DC, Rated Current: 0.7A. Safe For Use, Low Consumption & High Efficiency!
Ultra Quiet Operation: Less Than 30db Noise Level! Ceramics Core And Stainless Axis Made, Available For Water Drinking, Friendly And Healthy To Human Body!
Durable & Leakage-Prevented: With Strong PP Shell Made Epoxy Resin & Teflon Sealed! Temperature Resistance Up To 130! Durable Service! Inlet/Outlet Thread Type: 1/2" BSPP. Free Of Poison, Food Grade Material Ensure Your Safety And Animals As Well!
Description
FETURE
100% Brand New And High Quality, Never Use And Precision Made!
Friendly & SafeCeramics Axis Powered By 12V Dc, Healthy For Water Drinking And No Threat Of Electric Shock! 5W Minimum Power Can Save 700 Kwh a Year!
Quiet & Non-Leak Less Than 30db In Operation; Thread Shape Of Inlet & Outlet Helps To Fix The Pipes In Case Of Leaking ! Available For Inside Or Outside Water Jobs!
Durable & Sturdy Ultra Strong PP Shell, Tightly Sealed With Epoxy Resin And Teflon, Isolated From The Rotor, Hardened And Temperature Resistant Up To 130! Over 22-Year Lifespan If It Operates 5h Per Day Normally!
MultipurposeAvailable For Water Circulation, Solar Collector Cycle, Water Heater, Fountain, Etc.
SPECIFICATION
Low Noise: 30db
Color: Transparent
Rated Current: 0.7A
Rated Voltage: 12V DC
Max Water Head: 3M
Max System Pressure: 6 Bar
Max Flow Rate: 8L/Min(2.1GPM)
Material: Solid PP Pump Shell
Inlet/Outlet Diameter: 20mm/0.79"
Inlet/Outlet Thread Type: 1/2" BSPP
Size: 45x65x90mm/1.77"x2.56"x3.54"
Max Circulating Water Temperature: 130C
APPLICATION
1.Mainly Used For Systems Of Refrigeration, Water Circulation, Solar Collector Cycle, Solar Temperature Difference Cycle;
2.Also For Water Piping Circulation For Heaters, Water Pressurization, Water Dispenser, Mattress And Floor Heating, Fountain, Etc.
NOTE:
We Offer The Suitable Power Adapter For This Pump, Please Search For Aisn: B072Fcq2Wg On Enpoint If You Need It.
PACKAGE INCLUDES
1x Crystal Brushless Pump
7. Modern Diagnostic X-Ray Sources: Technology, Manufacturing, Reliability
Description
Modern Diagnostic X-ray Sources: Technology, Manufacturing, Reliability gives an up-to-date summary of X-ray source design for applications in modern diagnostic medical imaging. It lays a sound groundwork for education and advanced training in the physics of X-ray production and X-ray interactions with matter. The book begins with a historical overview of X-ray tube and generator development, including key achievements leading up to the current technological and economic state of the field.
The book covers the physics of X-ray generation, including the process of constructing X-ray source devices. The stand-alone chapters can be read continuously or in selections. They take you inside diagnostic X-ray tubes, illustrating their design, functions, metrics for validation, and interfaces. The detailed descriptions enable objective comparison and benchmarking.
This detailed presentation of X-ray tube creation and functions enables you to understand how to optimize tube efficiency, particularly with consideration for economics and the environment. It also simplifies fault finding. Along with covering the past and current state of the field, the book assesses the future regarding developing new X-ray sources that can enhance performance and yield greater benefits to the scientific community and to the public.
8. Takagi T-KJr2-IN-LP Indoor Tankless Water Heater, Propane
Feature
Maximum BTUs: 140,000 ; Minimum BTUs: 19,500Vent Type: Direct Vent ; Water Connection Location: Bottom ; Water Connection: 3/4 Inch
Heat Exchanger: Copper; Voltage: AC 120V ; UEF: 0.80 ;Emissions: Low Nox
Product Weight:38 lbs
140,000 BTU
6.6 GPM max flow rate
4-Inch category III stainless steel venting required
Inlet, outlet thermistors for constant temperature monitoring
Energy factor of 0.81-0.83
Description
The T-KJr2 model is the smallest unit in the Takagi line-up. The T-KJr2 is perfect for light residential (i.e. small apartment units) and radiant heating applications.9. BXQINLENX 600L/H 19W DC12V CPU Cooling Heat Exchanger Water Pump Tank 117 ml CO2 Cooler
Feature
158.5 GPH (600L/H) 19W, perfect for CPU cooling system.Threaded connections: G 1/4" input and G 1/4" output.
Head: max 5 Meter, Working life: 50000 hours
Water tank capacity: 117 ml,
100% brand new and Three month warranty.
Description
LENX 600L/H 19W DC12V CPU Cooling Heat Exchanger Water Pump Tank 117 ml CO2 CoolerFeatures :
Power consumption:19W
Rated voltage: DC 12V
Rated current: --------
Max flow rate: 600L/H (158.5GPH)
Max static head: 5m (16.4FT)
Diameter of inlet: G 1/4"
Diameter of outlet: G 1/4"
Lifespan: More than 50,000hrs
Power supply: DC electric source
Ceramic shaft + ceramic bushing
Speed:--------
The Water Tank Size:length 110 MM, diameter 50MM.
NOTE:
1. Working at rated voltage (DC12V).
2. This pump is centrifugal pump, it can't vent the air automatically, so it must be operated by submersible installation. (If outside water installation, you should make sure it is installed below the liquid surface)
3. When blocking, long-running is not allowed.
4. Preventing any hard particles entering the pumps.
5. Ceramic bearing, graphite sleeve, very quiet, when using anhydrous idling is forbidden
Package:
1 X Water pump
1 X Water Tank
2 X G 1/4" TO 5/16"
1 X Water Block
1 X G 1/4" TO G 1/4"
2 X Stents
6 X Screws
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