Overview
ANT Smart BMS battery protection board for 7S–8S (24V class) LiFePO4 / Li-ion / LTO battery packs, with Bluetooth built-in and optional 50A or 100A continuous current versions.
It supports short circuit protection, single-cell voltage dropout detection, temperature protection, coulometer functions, PC software, and communication interfaces including RS485/CAN/TTL.
Key Features
- Short circuit protection: supported
- Bluetooth built-in; supports Android / iOS phone
- Single-cell voltage dropout detection: supported
- Temperature protection and temperature sensing
- PC software support
- Coulometer
- Other interfaces: RS485 / CAN / TTL
Specifications
| Supported battery strings | For 7S–8S |
| Number of battery strings (provided parameter) | 8S |
| Suitable battery types | Li-ion, LiFePO4, LTO |
| Wiring method | Same port |
| Power supply mode | Battery pack self-powered and 20–80V DC input |
| Single cell voltage detection range | 0–5V |
| Single cell voltage detection error | < 20mV over full operating range; typical < 10mV |
| Balance current | 100mA (passive balance) |
| Total voltage detection range | 0–100V, < 0.5%FSR (FSR = full scale) |
| Current sense shunt | -150A to 300A, error < 0.5%FSR |
| SoC estimation accuracy | Error < 8% (operating conditions) |
| Battery remaining capacity | Error range is less than 8% |
| Total Cycle AH cumulative value | Half of the charge/discharge value |
| Operating power consumption | < 5mA (without communication) / 15mA (485/CAN) |
| Standby power consumption | < 2mA |
| Temperature detection | -40 to 125°C |
| Operating temperature | -40 to 85°C |
| Storage temperature | -40 to 95°C |
| Current rating option A | 8S 50A continuous; peak 125A |
| Peak discharge duration (option A, provided parameter) | 125A (max 10s) |
| Current rating option B | 8S 100A continuous; peak 250A |
| Peak discharge duration (option B, provided parameter) | 250A (max 10s) |
| Dimensions shown | 105mm; 90mm; 70mm; 35mm; 100mm |
| Dimension tolerance range | ±1mm |
What’s Included
- 2 × NTC (35cm)
- Active cable (40cm)
- Battery cable (70cm)
Applications
- 7S–8S lithium battery packs (24V class) using LiFePO4, Li-ion, or LTO cells
- Battery packs requiring Bluetooth monitoring and RS485/CAN/TTL communication
For selection help (50A vs 100A) or wiring support, contact service@tsolar.top or visit https://tsolar.top/.
Details
Choose between 50A or 100A continuous-current versions; package includes two NTC sensors plus active and battery cables for 7S–8S wiring.
