The Li-ion Charging Module 3S 40A board is designed for efficient charging and protection of lithium-ion batteries. This board is suitable for various 3.7V lithium cells, including popular 18650 batteries. It combines charging functions and a battery management system (BMS) into a compact design, making it ideal for space-constrained applications.

• Battery protection against overcharging and overdischarging
• Balancing function to maintain cell equilibrium (current 100mA)
• Multifunctional board that operates as both charger and protection device
• Compact dimensions for space-limited applications (60x41x3.4mm)
• High efficiency with a maximum discharge current of 40A and charging current up to 20A
• Compatible with various 3.7V lithium cells, ensuring flexibility

• Charging Voltage: 12.6V - 13.6V
• Maximum Discharge Current: 40A
• Continuous Charging Current: 20A
• Board Dimensions: 60x41x3.4mm
• Protection Features: Overcharge and overdischarge protection

• 1× Li-ion Charging Module 3S 40A
• 1× User Manual
• 1× Warranty Card
• 1× Mounting Material
• 1× Safety Instruction Booklet