6–14S 40A Smart BMS with SMBus
Review the specifications for this 6–14S 40A Smart BMS with SMBus. Contact Koxin to confirm the configuration, sample requirements and available technical documents.
Custom BMS · LFP Battery Circuit Board · NMC Battery Circuit Board · Smart BMS
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| ltem | PCM-L14S40-K77（A-1）（NCM） | PCM-L14S40-K77（A-1）（LiFePO4） |
| Max continious current | 40A | 40A |
| Series | 6-14S | 6-14S |
| Internal resistance | ≤5mΩ | ≤5mΩ |
| Overcharge protection voltage | 4.25±0.05V | 3.9±0.05V |
| Overcharge protection delay time | 2±0.5S | 2±0.5S |
| Overcharge recovery voltage | 4.10±0.05V | 3.7±0.05V |
| Overdischarge protection voltage | 2.5±0.05V | 2.00±0.05V |
| Overdischarge protection delay time | 2±0.5S | 2±0.5S |
| Overdischarge recovery voltage | 2.80±0.05V | 2.50±0.05V |
| Balance Start Voltage | 4.2±0.1V | 3.5±0.1V |
| Balance Start Current | 68±10mA | 58±10mA |
| Charging Overcurrent Protection | 45±5A (Delay 2S) | |
| Short circuit Overcurrent Protection | 250A ±30A(≤70 uS) | |
| Over-Temperature Protection | 65±2℃(Delay 2S) | |
| Charging Low-Temperature Protection | ‘0±2℃(Delay 2S) | |
| Discharging Low-Temperature Protection | -20±2℃(Delay 2S) | |
| Short circuit protection | YES | |
| Recovery state | Disconnect load or Software rest | |
| Balancing Function | YES | |
| Dimension | 160*65*7.5mm | |
| With NTC | YES | |
| With Bluetooth | Optional | |
| With Pre-charge, Pre-discharge Function | YES | |
| RS485/CAN/UART | YES | |
| Customize | YES | |