
| Brand Name: | HeltecBMS |
| Material: | PCB board |
| Origin: | Mainland China |
| Warranty: | One year |
| MOQ: | 1 pc |
| Battery Type: | Lithium Ternary / Lithium Iron |
| Balance type: | Passive Balancing |
| Balance Current: | 1A / 2A |
| Continuous Discharge Current: | 100A / 150A / 200A |
| Bluetooth | Yes |
| Communication | RS485 / CAN / RS232 (optional) |
| Compatible Inverter Brands | Deye / PYLON / Growatt / Victron / Invent / GoodWe / SMA / Voltronic / SRNE / MUST / SOFAR / ... |
| Connecte in Parallel | Max 16 pcs |
1. 16S Communication BMS *1 set.
2. Anti-static bag, anti-static sponge and corrugated case.
| No. | Item | Default Parameters | Configurable or not | |
| 1 | Number of strings | Supported battery type | LFP/NCM/LTO | Yes |
| Supported number of strings | 8~16/7~16/14~16above accordingly | Yes | ||
| 2 | Single cell overcharge protection | Overcharge protection voltage | 3600mV | Yes |
| Overcharge recovery voltage | 3550mV | Yes | ||
| 3 | Single cell undervoltage protection | Undervoltage protection voltage | 2600mV | Yes |
| Undervoltage recovery voltage | 2650mV | Yes | ||
| Undervoltage automatic shutdown voltage | 2500mV | Yes | ||
| 4 | Active equalization function | Trigger equalization pressure difference | 10mV | Yes |
| Equalization starting operating voltage | 3000mV | Yes | ||
| Maximum equalizing current | 1A | Yes | ||
| 5 | Total overcharge protection | Maximum charging current | 25A | Yes |
| Charge overcurrent delay | 2s | Yes | ||
| Charge overcurrent alarm release | 60s | Yes | ||
| Charge overcurrent limit current | 10A | No | ||
| 6 | Total overdischarge protection | Maximum discharge current | 150A | Yes |
| Discharge overcurrent delay | 300s | Yes | ||
| Discharge overcurrent alarm release | 60s | Yes | ||
| 7 | Short circuit protection | Short-circuit protection current | 300A | No |
| Short circuit protection delay | 20us | Yes | ||
| Short-circuit protection release | 60s | Yes | ||
| 8 | Temperature protection | Charging over-temperature protection | 70°C | Yes |
| Charge over-temperature recovery | 60°C | Yes | ||
| Discharge over-temperature protection | 70°C | Yes | ||
| Discharge over-temperature recovery | 60°C | Yes | ||
| Charging Low Temperature Protection | -20°C | Yes | ||
| Charge Low Temperature Recovery | -10°C | Yes | ||
| MOS over-temperature protection | 100°C | Yes | ||
| MOS over-temperature recovery | 80°C | Yes | ||
| Battery over temperature alarm | 60°C | Yes | ||
| Battery over temperature alarm recovery | 50°C | Yes | ||
| Comments: Above are default parameters of LiFePO4 cells (1A 150A BMS). | ||||
* We keep upgrading products to meet requirements of our clients, please contact our sales person for more accurate details.
| Item | Parameter |
| Display Type | LCD |
| Dimension | 3.2 inch |
| Working Temperature | -20 ~ 70℃ |
| Storage Temperature | -30 ~ 85℃ |
| Power Supply (V) | Min: 9 Typical: 11 Max: 12 |
Working environment and reliability parameters
| Parameter | Test Environment | Min | Typ | Max |
| Working Temperature (℃) | 12V voltage, humidity 60% | -20 | 25 | 70 |
| Storage Temperature (℃) | - | -30 | 25 | 80 |
| Working Humidity (PH) | 25℃ | 10% | 60% | 90% |
Jacqueline: jacqueline@heltec-bms.com / +86 185 8375 6538
Nancy: nancy@heltec-bms.com / +86 184 8223 7713