1S 3.7V 1A BMS for 18650 Battery

Protect your 18650 lithium-ion battery pack with this 1S 3.7V 1A BMS Protection Board, complete with a nickel strip for easy integration into custom battery builds. It safeguards your battery from overcharge, over-discharge, and short-circuit conditions, extending overall battery life.

Compact and efficient, this module features low current consumption and stable performance, making it well-suited for a wide range of DIY electronics and battery pack applications. Its small size and reliable protection circuitry make it an essential safety component for any single-cell lithium-ion setup.

• Overcharge release voltage 4.23±0.05V – Precise overcharge protection
• Over-discharge voltage range 2.54±0.1V – Prevents deep discharge damage
• Over-current detection 1A~2A – Short-circuit and overload protection
• Nominal voltage 3.7V – Standard for single-cell lithium-ion packs
• Compact 25x3x2mm size – Fits easily into battery pack builds
• Includes nickel strip – Simplifies battery pack assembly
• Low current consumption – Efficient, stable long-term operation

Safeguard your battery pack with this 1S 3.7V 1A BMS Protection Board – compact, reliable protection for 18650 cells.