China 18650 NMC Battery Manufacturer 3.7V4400mAh With JST Connector For Smart Lighting
Koxin specializes in custom lithium battery packs, coin cell & polymer Li-ion batteries, and smart BMS solutions. We provide small-scale, niche battery products with reliable quality and OEM customization.
Digital Batteries · LFP Batteries · LFP Battery Pack · NMC Batteries · NMC Battery Pack · OEM Battery Pack Design · Primary Battery Design
Inquire about this productProduct details
|
No. |
Items |
Parameter |
|
|
1 |
Product Model |
18650-3.7V4400mAh 1S2P Battery Pack |
|
|
2 |
Normal Voltage |
3.7V |
|
|
3 |
Rated Capacity |
4400mAh(C5) |
|
|
4 |
Min Capacity |
4300mAh(C5) |
|
|
5 |
Energy |
About 16.28Wh |
|
|
6 |
Internal Resistance |
≤75mΩ |
|
|
7 |
Max Size |
69*39*19.5mm |
|
|
8 |
weight |
// |
|
|
9 |
Shell material |
PVC |
|
|
10 |
Charge Voltage |
4.2±0.15V |
|
|
11 |
Standard Cutoff Voltage |
about 2.75V |
|
|
12 |
Charge Current |
≤ 2A |
|
|
13 |
Charging cut-off current |
0.02C |
|
|
14 |
Discharge Current |
Normal Current |
≤ 3A |
|
15 |
Passive Protection Function |
Over charge protection, Over discharge protection, Short Circuit Protection, Over Current Protection |
|
|
16 |
Positive |
JST Connector 20AWG 100mm |
|
|
17 |
Negative |
JST Connector 20AWG 100mm |
|
|
18 |
Charge Retention |
After charging according to standard 3.2, placing the battery for 28 days under the standard test conditions, then discharge it under standard 3.3, and the charge retention rate is ≥80%. |
|
|
19 |
Cycle time |
The cycle life is not less than 800, the capacity retention rate is ≥80%. (Charging according to 3.2 standard, leaving 0.5~1h; discharging according to 3.3 standard, leaving 0.5~1h, counting 1 cycle time). |
|