12v 20ah 18650 battery lithium ion for power device
GEB specializes in the development, production and sales of custom lithium batteries. if you have any questions, please feel free to contact us.
12v 20ah 18650 battery lithium ion battery pack
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| GEB specializes in the development, production and sales of custom lithium batteries. if you have any questions, please feel free to contact us. |
Long cycle Lithium ion battery pack:
1. 12V20Ah Lithium ion battery pack
2. Normal capacity: 20Ah
3. Cycle: 500-800 times
Product | GEB12V 20Ah (3S8P 18650 2500MAH) | Remark | ||
Rated Capacity | Typical | 20.5Ah | standard discharge(0.2C) | |
Minimum | 20Ah | after standard charge | ||
Case | Blue PVC covered with Epoxy resin board | |||
Dimension | 60*70*160 mm | can be customized | ||
Weight | around 1.2kg | |||
Nominal Voltage | 11.1V | mean operation voltage | ||
Voltage at end of Discharge | 8.6V | discharge cut-off voltage | ||
Charging at end of Voltage | 12.6V | |||
Standard Charge | Constant Current 0.2C Constant | charge time:Approx 6.0h | ||
Voltage 12.6V 0.02C cut-off | ||||
Standard Discharge | Constant Current 0.5C end Voltage 3.0V | |||
Fast Charge | Constant Charge Current 0.5C | charge time:Approx 3h | ||
Voltage 12.6V 0.02CA cut-off | ||||
Fast Discharge | Constant Current 1C end Voltage 8.6V | |||
Cycle Characteristic | 500times(100%DOD) | the residual capacity is no less | ||
800 times(80%DOD) | than 80% of rated capacity at 1C rate. | |||
1000 times(50%DOD) | ||||
Maximum Continuous | 1C | pulse discharge current:2 C | ||
Discharge Current | ||||
Operation Temperature Range | Charge:0~55℃ | 60±25%R.H. bare battery | ||
Discharge:-20~60℃ | ||||
Storage Temperature Range | Less than 1 year:-20~25℃ | 60±25%R.H. at the shipment | ||
Less than 3 months:-20~45℃ | ||||
Warnings:
Do not submerge the battery in the water.
Do not mix fresh batteries with used batteries.
Do not mix batteries with metal stuff together.
Do not insert batteries with the (+) and (-) reversed.
Do not use Efest batteries with defective E-cig mods.
Do not disassemble, dispose in fire, heat or short circuit.
Do not put the battery in a charger or equipment with wrong terminals connected.
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| GEB specializes in the development, production and sales of custom lithium batteries. if you have any questions, please feel free to contact us. |
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| GEB specializes in the development, production and sales of custom lithium batteries. if you have any questions, please feel free to contact us. |
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1,Q: What's the main product in GEB?
A: Rechargeable battery. Li-ion, Lipo battery and power battery pack.
2,Q: What is overcharge?
A: After charge, tested the batteries' initial state and capacity. Charge to 10.0V at 3C current, then charge to 0.01C at CV mode. Observe changes in battery appearance.
3,Q: What is over discharge?
A: After charge, test the batteries' initial state. When the batteries are normal, discharge to 0V at 0.5C. Observe changes in battery appearance
4. Q: Can I have a sample order?
A: Yes, we accept sample order to test and check quality. Batteries can be made as require.
5. Q: Do you have MOQ limit?
A: Yes, we have MOQ limit for mass production, but it depends on battery model. Please contact us for details.
6. Q: How about the lead time?
A: Samples will takes 5-7 business days. Mass production will takes 25-30 days. It depends on quantity.
7. Q: How about shipping and delivery time?
A: Generally, battery will be shipped via Express, such as DHL, TNT, FedEx and UPS, delivery time is 3-5 business days. Or DDP service, delivery time is 11-15 business days. Airline and sea shipping also available.
8. Q: What about after-sale service?
A: We will offer you 1 year guarantee. If there are any problems, please inform us, we will offer you positive solutions.
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| GEB specializes in the development, production and sales of custom lithium batteries. if you have any questions, please feel free to contact us. |