21700-40T
Li-ion Battery
NCM
Yes
21700
21700lithium Ion Rechargeable Battery
21*70
35A
1c
>250 Times
4000mAh
20mΩ
25°c
-20 to 45
Bis CE CB
Inr
Rechargeable
70.0g ±2g
21700 Rechargeable Li-ion
Ncm
OEM
Standared Package
21*70mm
Kaifeng
8507600090
Product Description
Nominal Voltage | 3.7V |
Nominal Capacity | 4000mAh |
Cell Type | Cylindrical Lithium Ion Battery |
Internal Resitance | ≤25mΩ |
Cut-off Discharge Voltage | 2.50V |
Charge Upper Limit Voltage | 4.20±0.05V |
Max. Charge Current | 1.5A |
Max. Continuous Discharge Current | 35A |
Cycle Life | 1000 Times |
Standard charger | CC/CV |
Warranty | 1 Years |
Size | 21*70mm |
Cell Weight | 70.0g ±2g |
Operating Temperature | Charge : 0 ~ 45ºC |
Discharge : -10 ~ 60ºC | |
Storage Temperature | 1 Years : -20 to 25ºC |
3 Months : -20 to 45ºC | |
1 Months : -20 to 60ºC | |
Application | Cassettes Players, Radios, Appliances, Flashlights, Calculators, Toys, Clocks, Smoke Alarms, Remote Controls, etc. |
Q: Can you give me the sample order?
Yes, we welcome the sample test and check the quality. Customization is available.
Q: What about lead time?
Samples need 3 to 5 days, order quantity is big, need to negotiate.
Q: How do you shipping how long does it take to arrive?
A: we offer sea &air service. Shipping usually arrive 25 to 35 days. Air 7 to 10 days to reach.
Q: Can you print my logo products?
Yes, we need to provide their packaging or neutral packing.
Q: Where can I get a price?
We usually quote within 24 hours after receive your inquiry. If you very urgent price, please call us or let us know
