Product Description
TB-P08S BMS Home Energy Storage
CAN/RS485/RS232
WiFi/4G/BT Option
Passive/Active Balancing
Core Specifications
- Model: TB-P08S
- Battery Series: 8S (Li-ion/LFP compatible)
- Operating Temperature: -20°C ~ +70°C
- Temperature Sensing Channels: 3 channels
- Data Logging: 1,000 records (expandable)
- Dimensions: 300 x 100 mm (housing)
- Rated / Continuous Current: 100A / 120A / 150A / 200A options
High Precision & Reliability
Voltage accuracy: ≤ ±0.1V
Current accuracy: ±2% (error ≤1A within 50A)
Temperature accuracy: ≤ ±2°C
Full protection suite: overvoltage, undervoltage, overcurrent, overtemperature, short circuit, and current limiting.
Passive balancing built-in, optional active balancing for enhanced cell equalization.
Technical Parameters
| Parameter | Specification |
|---|---|
| Model | TB-P08S |
| Matching Battery Strings | 8S (Li-ion, LiFePO₄) |
| Operating Temperature Range | -20°C ~ +70°C |
| Temperature Acquisition Channels | 3 channels |
| Data Storage Capacity | 1000 records (expandable) |
| Voltage Detection Accuracy | ≤ ±0.1V |
| Current Detection Accuracy | ±2% (error ≤1A within 50A range) |
| Temperature Detection Accuracy | ≤ ±2°C |
| Communication Interfaces | 1x CAN, 2x RS485, 1x RS232 Optional: WiFi / 4G / Bluetooth |
| Rated Current Options | 100A / 120A / 150A / 200A |
| Max Continuous Discharge Current | 100A / 120A / 150A / 200A (model dependent) |
| Expandable Functions | 4G, WiFi, I/O ports |
| Dimensions | 300 x 100 mm |
Key Advantages
Inverter Compatibility
Supports RS232/RS485/CAN, compatible with mainstream inverter brands (Solis, Growatt, GoodWe, etc.)
Remote Monitoring
Optional WiFi / 4G / Bluetooth for real-time remote supervision via APP or cloud platform
Complete Protection & Balancing
OVP, UVP, OCP, OTP, short circuit, current limiting, passive balancing, plus optional active balancing
Expandability & Customization
The TB-P08S BMS is designed for flexible integration into home battery storage systems. It supports up to 200A continuous current, making it suitable for 5kWh to 20kWh+ battery cabinets. The optional 4G/WiFi module enables remote firmware updates and real-time state-of-charge (SoC) monitoring. Additional I/O ports can be configured for external relays or alarms.
Ideal for residential solar + storage, off-grid systems, and backup power applications.
