BMS, PCB for 21S lithium lifepo4 battery packs
Negotiable
Min.Order:1
Shenzhen Benergy Tech Co., Ltd.
21S BMS for Li-NCM/ Lifepo4/LiMnO/Li-CoO battery pack.
1. Application and characteristic:
a. Suitable for 21 series Li-NCM/ Lifepo4/LiMnO/Li-CoO battery pack.
b. Complete over-charge, over-discharge,over-current, short-circuit protection function.
C. With balancing function.
2. Parameter
No | Testing content | Minimum | Typical | Maximum | Unit |
1 | Charging voltage | 88.0 | 88.2 | 88.4 | V |
2 | Charging MOS withstand voltage |
|
| DC150 | V |
3 | Discharging MOS withstand voltage |
|
| DC150 | V |
4 | Charging current |
| 30 | 35 | A |
5 | Discharging current |
| 30 | 35 | A |
6 | Over-current protection (100A load) | 100 | 120 | 140 | A |
7 | Over-current protection delay | 3.0 | 1.5 | 0.5 | S |
8 | Single cell self-consuming flow(3.30V) | 15 | 25 | 32 | uA |
9 | Single cell over-charge testing voltage | 4.17 | 4.20 | 4.25 | mA |
10 | Over-charge recover voltage | 4.05 | 4.10 | 4.15 | V |
11 | Over-charge testing delay | 0.5 | 1.0 | 2.0 | V |
12 | Single cell over discharge testing voltage | 2.67 | 2.75 | 2.83 | V |
13 | Over discharge recover voltage | 2.80 | 2.90 | 3.0 | S |
14 | Over discharge testing delay | 0.5 | 1.0 | 2.0 | V |
15 | Short circuit/ over discharge/ over current protection recover (100A load) | Would recover automatically after remove the load if any short-circuit/over-discharge/over-current | |||
16 | Max current can bear when short circuited. (300us) |
|
| 800 | A |
17 | Protection wire IR |
| 5 | 8 | mΩ |
18 | Short circuit protection delay |
| 45 | 60 | ºC |
19 | Normal current Mosfet temperature raising (max load) | 60 | 65 | 70 | ºC |
21 | Working temperature | -20 | 25 | 45 | ºC |
22 | Storage temperature | 20 | 25 | 30 | ºC |
3. Size:
L=160mm,W=40mm,H≤14mm