LI-ION CHARGER MS-40A 1200MA

The LI-ION CHARGER MS-40A 1200MA is a high-efficiency, precision charging module designed specifically for single-cell lithium-ion and lithium-polymer batteries. Engineered for reliable performance, safety, and fast charging, this charger is an excellent choice for technicians, hobbyists, electronics developers, and end-users who require a stable and dependable power solution. Whether used in DIY electronics projects, battery replacement setups, portable device repairs, or small rechargeable systems, the MS-40A delivers clean and consistent charging at 1200 mA, ensuring long battery life and excellent cycle performance.

Built with smart charging logic, the LI-ION CHARGER MS-40A 1200MA features automatic charging control that transitions through pre-charge, constant-current, and constant-voltage modes. This ensures that lithium batteries are charged safely without risk of over-voltage or thermal stress. The compact ABS enclosure, integrated power indicators, and simple plug-and-play operation make it suitable for both beginners and electronics professionals.

Its wide compatibility allows users to charge 3.7V lithium-ion cells such as 18650, 14500, 16340, 26650, and various flat Li-Po packs used in RC toys, flashlights, small devices, wireless modules, and DIY electronics. The charger includes built-in over-charge protection, short-circuit protection, and temperature regulation, allowing safe use even during extended charging sessions.

Lightweight, durable, and designed for long-term reliability, the MS-40A is one of the most practical lithium battery chargers available for everyday use.

Key Features

• Smart Li-ion battery charger with 1200 mA output

• Automatic charging stages: pre-charge, constant-current, constant-voltage

• Compatible with 3.7V Li-ion & Li-Po cells (18650, 14500, 16340, etc.)

• Built-in over-charge, over-current & short-circuit protection

• LED indicators for charging & full status

• Compact, lightweight & durable design

• Stable, efficient charging ideal for DIY and professional applications

• Safe thermal design for long charging cycles

Technical Datasheet

Input

• Voltage: AC 100–240V (model dependent)

• Adapter interface: Standard DC input

Output

• Charging current: 1200 mA (1.2A)

• Supported battery voltage: 3.7V / 4.2V Li-ion

Battery Compatibility

• Lithium-ion: 18650, 14500, 16340, 26650

• Lithium-polymer flat packs (single-cell)

Charging Protection

• Over-charge protection

• Over-current protection

• Short-circuit protection

• Temperature protection

Indicators

• RED LED → charging

• GREEN LED → full / standby

Charging Method

• CC/CV smart charging

• Auto stop when full

Build

• ABS fire-retardant housing

• Lightweight portable charger

Environment

• Operating temperature: 0°C to 40°C

• Humidity: < 80% RH