China 21700 3.7V 4800mAh High Rate LiFePO4 Battery Pack/Lithium Li-ion, Find details about China 21700 Battery, 21700 Ebike Battery from 21700 3.7V 4800mAh High Rate LiFePO4 Battery Pack/Lithium Li-ion
21700 3.7V 4800mAh High Rate LiFePO4 Battery Pack/Lithium Li-ion
Product Name | IMR21700-4800mAh |
Capacity(mAh) | 4800 |
Weight (g) | 68 |
Dimensions (mm) | ф21*70 |
Nominal Voltage (V) | 3.86 |
Limited Charge Voltage (V) | 4.2 |
End-off Voltage (V) | 3 |
Standard Charging Current (mA) | 0.2C |
Standard Discharging current (mA) | 0.5C |
Maximum Continuous Discharge Current(mA) | 10A |
Internal Resistance (mΩ) | ≤20 |
Storage Temp(ºC) | 0~45 |
Extended Operating Temp(ºC) | -10~55 |
Recharge Cycle Life | >800 |
Warranty | 12 months |
Safety Certification | MSDS,Un38.3,IEC62133,UL1642 |
Product Features
Safety instructions
Stop charging the battery if charging isn't completed within the specified time.
Stop using the battery if the battery becomes abnormally hot, order, discoloration, deformation, or
abnormal conditions is detected during use, charge, or storage.
Keep away from fire immediately when leakage or foul odors are detected. If liquid leaks onto your
skin or cloths, wash well with fresh water immediately.
If liquid leaking from the battery gets into your eyes, don't rub your eyes and wash them with clean
water and go to see a doctor immediately.
If the terminals of the battery become dirty, wipe with a dry cloth before using the battery.
The battery can be used within the following temperature ranges. Don't exceed these ranges.
The operating temperature is based on the cell surface temperature in hottest position in pack.
Charge temperature ranges : 0ºC ~ 50ºC
Discharge Temperature ranges : -20ºC ~ 75ºC
Store the battery at temperature below 45ºC
Cover terminals with proper insulating tape before disposal.
Transportation Services
FAQ
1,Q: What's the main product in AUG?
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.