21700LA
Li-ion Battery
NCM
Yes
Small
21700 Lithium Ion Rechargeable Battery
3.6V
4000mAh
45A
0.2c
>300 Times
21*70mm
20mΩ
25°c
-20 to 45
Bis CE CB
67g
21700 Rechargeable Li-ion
Ncm
OEM
Carton Package
21700
Kaifeng
8507600090
Product Description
Cylindrical Li-ion Battery Cell 21700 4000Mah 45A
Nominal Voltage | 3.6V |
Nominal Capacity | 4000mAh |
Cell Type | Cylindrical NCM Battery |
Internal Resitance | ≤12mΩ |
Cut-off Discharge Voltage | 2.50V |
Charge Upper Limit Voltage | 4.20±0.05V |
Max. Charge Current | 6A |
Max. Continuous Discharge Current | 45A |
Cycle Life | Over 300 Times@ 6A Charge 35A Discharge |
Standard charger | CC/CV |
Size | 70.5*21.2mm |
Cell Weight | Max 67g |
Operating Temperature | Charge : 0 ~ 45ºC |
Discharge : -20 ~ 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. |



Model | Normal Voltage (V) | Normal Capacity (mAh) | Max Discharge Rate | work Voltage (V) | IR (m) | Weight (g) |
TP32700C60 | 3.2 | 6000 | 3C | 2.0 ~3.65 | 8 | 145.0 |
TP32700C55 | 3.2 | 5500 | 3C | 2.0 ~3.65 | 8 | 144.0 |
TP32700C50 | 3.2 | 5000 | 3C | 2.0 ~3.65 | 20 | 143.0 |
TP26650C40 | 3.2 | 4000 | 3C | 2.0 ~3.65 | 15 | 86.0 |
TP26650C36 | 3.2 | 3600 | 3C | 2.0 ~3.65 | 15 | 86.0 |
TP26650C33 | 3.2 | 3300 | 3C | 2.0 ~3.65 | 15 | 85.0 |
TP26650C30 | 3.2 | 3000 | 3C | 2.0 ~3.65 | 15 | 83.0 |
TP26650C24 | 3.2 | 2400 | 3C | 2.0 ~3.65 | 32 | 79.0 |
TP26650C21 | 3.2 | 2100 | 3C | 2.0 ~3.65 | 25 | 59.0 |
TP26650C20 | 3.2 | 2000 | 3C | 2.0 ~3.65 | 25 | 58.0 |
TP18650C20 | 3.2 | 2000 | 3C | 2.0 ~3.65 | 30 | 45.0 |
TP18650C18 | 3.2 | 1800 | 3C | 2.0 ~3.65 | 30 | 44.0 |
TP18650C15 | 3.2 | 1500 | 3C | 2.0 ~3.65 | 30 | 42.0 |
TP18650C13 | 3.2 | 1300 | 3C | 2.0 ~3.65 | 30 | 39.0 |
TP14890C10 | 3.2 | 1000 | 3C | 2.0 ~3.65 | 70 | 29.0 |
TP14430C13 | 3.2 | 400 | 3C | 2.0 ~3.65 | 80 | 15.0 |
TP14500C06 | 3.2 | 600 | 3C | 2.0 ~3.65 | 70 | 16.0 |
TP14500C05 | 3.2 | 500 | 3C | 2.0 ~3.65 | 70 | 15.6 |
TP14500C04 | 3.2 | 400 | 3C | 2.0 ~3.65 | 70 | 15.0 |






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