4S 40A 16.8V Lithium-Ion Battery BMS Protection Board for 18650 Pack Safety

Specification:

• Type: Battery Management System (BMS)
• Battery Configuration: 4S (4 cells in series)
• Nominal Voltage: 16.8V DC
• Maximum Current: 40A continuous output
• Compatible Cells: 18650 Lithium-Ion batteries
• Protection: Overcharge, over-discharge, short circuit
• Charging Voltage: 16.8V cutoff
• Durability: Long cycle life design
• Dimensions: Compact PCB module
• Assembly: Easy integration in battery packs

Description:
The 4S 40A 16.8V Lithium-Ion Battery BMS Protection Board provides reliable safety and performance for 4-cell 18650 battery packs. It supports continuous output of up to 40A, ensuring stable power delivery. Built-in protection features safeguard against overcharge, over-discharge, and short circuits, extending battery life. Compact and durable, it is easy to integrate into custom battery packs. This BMS is suitable for DIY projects, e-bike packs, and portable electronics requiring safe and efficient energy management.