Application

48V 20Ah rechargeable li-ion battery pack for electric vehicle

48V 20Ah rechargeable li-ion battery pack for electric vehicle

battery

48V 20Ah rechargeable li-ion battery pack for electric vehicle

48v 20ah battery

golf cart battery

ebike battery

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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.



 

Item

Parameters

Nominal Voltage

48V

Nominal Capacity

20±1Ah( at 0.2C discharge rate)

Discharge

normal current          

1C

Max continuous  current 

2C (≤5min)

cut-off voltage

36V

Charge

normal charge current

0.5C

Charge mode

CC/CV with professional charger

cut-off voltage

55±0.1V

Inner Resistance

 

Discharging Inner resistance                                          

≤ mΩ

Charge Temperature

0~+45

When the environment temperature is higher than 45,please pay attention to ventilation and heat rejection.

Discharge Temperature

-20~+60

Humidity Range

RH≤85%

Protection Function

Over charge protection,Over discharge protection,Over current protection,Balanced function

Shell Material

Aluminum alloy

Weight

6.5±0.1kg

Dimension(L*W*H)

150*80*365mm

Cycle Life

Standard charge at 0.2C(A), rest 0.5~1 h,discharge at 0.2C to cut off voltage,rest 0.5~1h,repeat the above steps until 500 cycles.( capacity retention rate≥80%) 





 

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.


China li-ion battery supplier1543474329617893.jpgli-ion battery manufacturerShenZhen China li-ion batteryli-ion rechargeable batteriesbattery

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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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storage battery

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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.


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