20S-60A LiFePO₄ (LFP) BMS — DALY Model

Overview
The DALY 20S-60A BMS is engineered for 20-series LiFePO₄ battery packs with a nominal voltage of 64V. It supports continuous discharge currents up to 60A and offers essential protection, passive cell balancing, and optional smart communication features to ensure reliable and safe battery management.

Specifications

• Cell Configuration: 20S (20 cells in series)

• Battery Chemistry: LiFePO₄ (LFP)

• Nominal Voltage: 64V (3.2V × 20)

• Maximum Continuous Current: 60A

• Peak Current: Typically 80A to 100A (short bursts)

• Balancing Type: Passive balancing

• Balance Current: Approximately 30mA to 100mA

• Protection Features:

  • Over-voltage protection

  • Under-voltage protection

  • Over-current protection

  • Short-circuit protection

  • Over-temperature protection

  • Under-temperature protection

• Communication (model dependent):

  • Bluetooth

  • UART

  • CAN

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

Features

• Real-time monitoring and balancing of individual cells

• Automatic passive cell balancing during charging

• Comprehensive protections for voltage, current, and temperature

• Optional Bluetooth app support for remote monitoring (model specific)

• Robust design suitable for mid to high-power applications

Applications

• 64V LiFePO₄ battery packs

• Electric scooters, e-bikes, and light electric vehicles

• Solar energy storage and off-grid power systems

• Portable power banks and backup power

• DIY 20S battery projects requiring reliable management

Important Notes

• For use only with LiFePO₄ (3.2V per cell) battery chemistry

• Proper wiring of balance leads and main power terminals is essential

• Ensure charger and load currents do not exceed 60A continuous rating

• Bluetooth and smart features available on select BMS versions

• Adequate cooling and ventilation recommended under high current continuous use