The DALY 4S 50A LFP BMS is a high-capacity Battery Management System designed for 4-series LiFePO₄ (LFP) battery packs. It provides overcharge, over-discharge, overcurrent, short-circuit, and reverse polarity protection, ensuring safe and reliable operation. Ideal for electric bikes, scooters, solar energy storage, UPS systems, and DIY battery packs, it maintains battery health and extends cycle life.
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Battery Management System (BMS)Model: DALY 4S 50A (11b4)
Type: Lithium Iron Phosphate (LiFePO₄) BMS
Series: 4S (4 cells in series)
Max Continuous Current: 50A
Peak/Discharge Current: 100–120A (short duration, model-dependent)
Nominal Voltage: 12.8V (4 × 3.2V)
Charge Cut-off Voltage: 14.6V ±0.05V
Discharge Cut-off Voltage: 10V ±0.1V
Balance Function: Passive balancing to maintain uniform cell voltage
Operating Temperature: -20°C to 60°C
Protection Features:
Overcharge protection
Over-discharge protection
Overcurrent protection
Short-circuit protection
Reverse polarity protection
Mounting Type: PCB with wire terminals
Applications:
4S LFP battery packs
E-bikes, scooters, and electric mobility
Solar energy storage systems
UPS and backup power solutions.
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