The DALY BMS 4S 12V 60A is a high-quality, precision-engineered Battery Management System designed specifically for 4S LiFePO4 (LFP) 12V lithium battery packs. This BMS provides advanced charge/discharge protection, cell balancing, and temperature monitoring, making it ideal for use in solar energy storage systems, RVs, E-bikes, UPS backups, boats, and other off-grid lithium applications.

Engineered with safety and efficiency in mind, the DALY BMS helps extend battery life by protecting against overvoltage, undervoltage, overcurrent, short circuits, and overheating. Its compact and rugged design ensures reliable performance in harsh environmental conditions, from -20°C to +70°C.

Features:

• Compatible with 4S 12V LiFePO4 (LFP) batteries only

• Integrated battery balancing function for optimal cell voltage management

• Supports up to 60A continuous discharge current

• Pre-programmed protection thresholds for charge/discharge – not user-adjustable

• Comes with 5-wire balance connector cable and user manual

• Automatically disconnects charging at 3.7V/cell, and discharging stops at 2.5V/cell

• Wide operating temperature range: -20°C to +70°C

• Compact design for easy integration into various battery systems

Built-in Protections:

• Overcharge protection – prevents cell overvoltage damage

• Over-discharge protection – safeguards against deep battery drain

• Overcurrent protection – prevents excessive load damage

• Short circuit protection – ensures system safety during wiring faults

• Temperature protection – with NTC probe to monitor cell temperature

• Drop protection – auto shutdown if connection is lost

Applications:

• Solar power storage systems

• Recreational vehicles (RVs)

• Electric bikes and scooters

• Portable power stations

• Uninterruptible Power Supplies (UPS)

• Boats, camping gear, off-grid systems, and power tools

Specifications:

• Model: DALY BMS 4S 12V 60A

• Battery Type: LiFePO4 / LFP (Lithium Iron Phosphate)

• Series Support: 4S only (12.8V nominal)

• Max Continuous Current: 60A

• Operating Temperature: -20°C to +70°C

• Charge Cut-Off Voltage: 3.7V per cell

• Discharge Cut-Off Voltage: 2.5V per cell

• Balance Function: Yes (active balance)

• Included: 1 × 4S 60A BMS, 1 × 5-pin balance lead, instruction manual