Overview
The ANTBMS Smart BMS is a battery protection board for 8S to 20S battery packs, designed for 24V–72V LiFePO4, Li-ion, and LTO systems. It supports multiple current options (110A–230A class) with Bluetooth built-in for monitoring and configuration from Android/iOS.
Key Features
- Battery strings: 8S to 20S
- Cell voltage measurement: 0–5V, error < 20mV over full operating range; typical error < 10mV
- Voltage dropout detection: supported (single cell)
- Balancing: 100mA passive balance
- Wiring method: same port
- Short circuit protection: supported
- Bluetooth: built-in; supports Android / iOS phone
- PC software support: supported; USB adapter needs to be purchased separately
- Firmware: update function shown in app menu
For assistance selecting the correct current version or confirming optional RS485/CAN/Modbus customization, contact customer support at https://tsolar.top/ or service@tsolar.top.
Specifications
| Suitable battery types | Li-ion, LiFePO4, LTO |
| Number of battery strings | 8S to 20S |
| Power supply mode | Battery pack self-powered; 20–80V DC input |
| Single cell voltage detection range | 0–5V |
| Single cell voltage detection error | < 20mV (typical < 10mV) |
| Balance current | 100mA (passive) |
| 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 | 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 |
| Storing temperature | -40 to 95°C |
| Data tolerance (dimensions) | ±1mm |
Current Options (as provided)
| 110A continuous | Maximum discharge current 275A (max 10s); also listed as peak 275A |
| 130A continuous | Maximum discharge current 325A (max 10s); also listed as peak 325A |
| 170A continuous | Maximum discharge current 425A (max 10s); also listed as peak 425A |
| 220A continuous | Maximum discharge current 550A (max 10s) |
| 230A continuous | Peak 575A |
Mechanical Dimensions by Version (wire length 15cm; thickness 1.6cm)
| 230A continuous / peak 575A | Height 20.5cm; width 7cm; thickness 1.6cm; wire length 15cm |
| 170A continuous / peak 425A | Height 17.5cm; width 7cm; thickness 1.6cm; wire length 15cm |
| 130A continuous / peak 325A | Height 14.6cm; width 7.2cm; thickness 1.6cm; wire length 15cm |
| 110A continuous / peak 275A | Height 13.6cm; width 7.2cm; thickness 1.6cm; wire length 15cm |
What’s Included
- ANTBMS Smart BMS unit (8S–20S)
- 2 * TMP Sensor (30mm)
- Active Cable (15mm)
- Battery Cable (70mm)
Applications
- 8S–20S LiFePO4 / Li-ion / LTO battery pack protection and monitoring
- 24V / 36V / 48V / 60V / 72V battery systems requiring Bluetooth-enabled BMS management
Details
Choose the current class that fits your build, with dimensions provided for each 8S–20S version (110A to 230A).
Bluetooth monitoring and setup are available from a mobile app, with optional PC software support via USB adapter.
