TB03-P08S: 8S 25.6V Split-Board Low-Voltage BMS
Designed for low-voltage residential energy storage systems, TB03-P08S supports 8S LiFePO4 battery packs, 100A-300A current options, CAN/RS485 inverter communication and up to 16 packs in parallel.
Product Features
Multi-Current Power Board
Supports 100A, 120A, 150A, 200A and 300A power board options for scalable low-voltage energy storage system designs.
8S Cell & Temperature Monitoring
Provides 8-channel cell voltage detection and 3-channel temperature monitoring, including 2 cell sensors and 1 MOS temperature sensor.
CAN/RS485/RS232 Communication
Equipped with 1 CAN, 2 RS485 and 1 RS232 interface, supporting mainstream inverter protocols such as DEYE, Growatt, Pylon, Victron and Voltronic.
Up to 16 Packs in Parallel
RS485 parallel communication supports up to 16 battery packs for flexible residential energy storage capacity expansion.
Multi-Layer Battery Protection
Combines MOS, controllable fuse and circuit-breaker trip protection with over-voltage, under-voltage, over-current, temperature and short-circuit safeguards.
Smart SOC & Remote Monitoring
Supports SOC calculation, passive balancing, pre-charge, data storage and optional WiFi/Bluetooth remote monitoring via mobile app.
Parameter
| Model | TB-P08S |
| Matching battery | 8 Strings |
| Rated voltage | 25.6VDC |
| Operating temperature range | -20~70°C |
| Number of voltage detection channels | 8 channels |
| Number of temperature acquisition channels | 3 channels |
| Number of data storage | ≥10000 historical records |
| Performance indicators | |
| Cell voltage detection accuracy | 2~4.5VDC, ≤±10mV (-10°C~+55°C) |
| Total voltage detection accuracy | 0~30VDC, ≤±0.1V |
| Current detection accuracy | ±2%, error within 50A ≤1A |
| Temperature detection accuracy | ≤±3°C |
| Communication method | 1 channel CAN, 2 channels RS485, 1 channel RS232, WiFi/Bluetooth optional |
| Rated current | 100A/120A/150A/200A/300A |
| Maximum continuous discharge capacity | 100A/120A/150A/200A/300A |
| Extensible functions | WiFi/Bluetooth, display screen, SOC indicator board, external breaker trip cable |
| Dimensions | Main board 150×100mm; power board 115×110mm / 170×110mm / 300×110mm |
Dimensions
