11S-40A LiFePO₄ (LFP) BMS — DALY Model

Overview
The DALY 11S-40A BMS is designed for 11-cell LiFePO₄ (LFP) battery packs in series. It supports up to 40A continuous current and includes essential protections, balancing, and monitoring features to ensure battery safety and performance.

Specifications

• Cell Configuration: 11S (11 cells in series)

• Battery Chemistry: LiFePO₄ (LFP)

• Nominal Voltage: 35.2V (3.2V × 11)

• Maximum Continuous Current: 40A

• Peak Current: Typically up to 60A (varies by model)

• Balancing Type: Passive

• Balancing Current: 30–100mA (approximate)

• Protection Features:

  • Over-voltage protection

  • Under-voltage protection

  • Over-current protection

  • Short-circuit protection

  • Over-temperature protection

  • Under-temperature protection

• Communication Options (Model Dependent):

  • Bluetooth

  • UART / CAN

• Operating Temperature Range: -20°C to +60°C

Features

• Real-time monitoring of individual cell voltages

• Automatic passive balancing during charging

• Built-in protections for current, voltage, and temperature

• Optional Bluetooth monitoring with DALY Smart BMS app

• Suitable for high-reliability applications and long battery life

Applications

• 36V LiFePO₄ battery packs (11S)

• Electric bikes and scooters

• Solar and off-grid storage systems

• Portable power stations

• DIY LiFePO₄ battery builds

Important Notes

• Only compatible with LiFePO₄ (LFP) cells; not for Li-ion or other chemistries

• All balance leads and power connections must be wired correctly

• Confirm that charger and load specifications are within rated limits

• Ensure proper cooling if used under continuous high current

• Bluetooth and other features depend on the exact model version purchased