1S 18650 Battery Protection Board – DW01A 8205A 2A BMS Module

The 1S 18650 Battery Protection Board is a compact battery management module designed to provide essential protection for a single-cell 3.7V lithium-ion battery. Based on the DW01A protection IC and 8205A MOSFET, it safeguards the battery against overcharge, over-discharge, overcurrent, and short-circuit conditions. Its ultra-compact design allows easy integration into battery packs, portable electronics, and custom rechargeable devices while maintaining safe and reliable battery operation.

• DW01A battery protection controller

• Dual 8205A MOSFET protection design

• Single-cell 3.7V Li-ion battery support

• Overcharge protection function

• Over-discharge protection function

• Overcurrent protection function

• Short-circuit protection function

• Automatic recovery after fault removal

• Low standby power consumption

• Compact miniature PCB design

• Suitable for 18650 battery packs

• Stable battery protection performance

• Easy solder-pad battery connections

• Supports charging and discharging protection

• Ideal for portable electronic devices

• Battery Type: Single-Cell 3.7V Li-Ion Battery

• Protection IC: DW01A

• MOSFET IC: 8205A Dual MOSFET

• Charging Voltage: 4.2V

• Overcharge Detection Voltage: 4.25V ± 0.05V

• Overcharge Release Voltage: 4.23V ± 0.05V

• Over-Discharge Detection Voltage: 2.45V ± 0.1V

• Maximum Continuous Current: 2A

• Overcurrent Detection Current: 2.5A

• Protection Functions: Overcharge Protection

• Protection Functions: Over-Discharge Protection

• Protection Functions: Overcurrent Protection

• Protection Functions: Short-Circuit Protection

• Battery Configuration: 1S (Single Cell)

• Board Dimensions: 30mm × 3.7mm × 2.2mm

• Mounting Method: Solder Pad Connections

• Protect your 18650 battery by this