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Inr21700 Lithium Ion Battery Cell 4000mah 3.6V For Mini Ev Car

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Shenzhen XUWEN Technology Co.,Ltd

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Inr21700 Lithium Ion Battery Cell 4000mah 3.6V For Mini Ev Car

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Brand Name :	XUWEN
Model Number :	Inr21700 3.7V Lithium Ion Battery Cell
Certification :	CE
Price :	To be negotiated
Payment Terms :	T/T, Western Union, MoneyGram
Supply Ability :	100000pcs/month
Delivery Time :	To be negotiated

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Inr21700 Lithium Ion Battery Cell 4000mah 3.6V For Mini Ev Car

High Rate Inr21700 3.7V Lithium Ion Battery Cell 4000mah Battery Cell For Mini Ev Car

Item	Parameters		Remark
Rated Capacity	Typical	4000mAh	standard discharge(0.2C) after standard charge
	Minimum	4000mAh
Alternating Internal Resistance	≤110mΩ
Nominal Voltage	3.7V		mean operation voltage
Voltage at end of Discharge	2.5V		discharge cut-off voltage
Charging at end of Voltage	4.20V
Standard Charge	Constant Current 0.2C Constant Voltage 4.20V 0.02C cut-off		charge time:Approx 6.0h
Standard Discharge	Constant Current 0.2C end Voltage 3.0V
Fast Charge	Constant Current 1C Constant Voltage 4.20V 0.02C5A cut-off		charge time:Approx 2.5h
Fast Discharge	Constant Current 1C end Voltage 3.0V
Cycle Characteristic	2000times(100%DOD) 4000 times(80%DOD) 7000 times(50%DOD)		the residual capacity is no less than 80% of rated capacity at 1C rate.
Maximum Continuous Discharge Current	5C		pulse discharge current: 5 C
Operation Temperature Range	Charge:0~55℃ Discharge:-20~60℃		60±25%R.H. bare battery
Storage Temperature Range	Less than 1 year:-20~25℃ Less than 3 months:-20~45℃		60±25%R.H. at the shipment

Inr21700 Lithium Ion Battery Cell 4000mah 3.6V For Mini Ev Car

FAQ

1,Q: What's the main product in XUWEN?
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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