The DALY 4S 30A LFP BMS is a compact and reliable Battery Management System designed for 4-series LiFePO₄ (LFP) battery packs. It ensures safe and efficient operation by providing protection against overcharge, over-discharge, overcurrent, short-circuit, and reverse polarity. Ideal for e-bikes, scooters, solar energy storage, UPS systems, and DIY battery packs, it helps extend battery life and maintain optimal performance.
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Battery Management System (BMS)Model: DALY 4S 30A (498d)
Type: Lithium Iron Phosphate (LiFePO₄) BMS
Series: 4S (4 cells in series)
Max Continuous Current: 30A
Peak/Discharge Current: 60–80A (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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