Lithium Battery Charger 5S - 21V - 2A Adapter 5.5X2.1mm

5S Lithium Battery Charger Adapter 21V 2A 5.5X2.1mm

The 5S Lithium Battery Charger Adapter 21V 2A 5.5X2.1mm is a compact, efficient charger designed for 5-cell lithium-ion battery packs (18V-21V). It features a constant current-constant voltage (CC-CV) charging mode with built-in safety protections including over-voltage, over-current, overload, and short-circuit protection. The charger has a clear red/green LED indicator for charging status, supports universal AC input (100-240V), and uses a 5.5×2.1mm DC plug. Its compact design makes it suitable for powering and charging electric screwdrivers, portable tools, and other compatible 5S lithium battery applications, ensuring safe and reliable battery charging.

Features

• Compatible with 18V-21V 5S lithium-ion or lithium polymer battery packs.
• Uses constant current-constant voltage (CC-CV) charging mode for safe, steady charging.
• Built-in safety protections: over-voltage, over-current, overload, and short circuit.
• Red/green LED indicator displays charging status.
• Universal AC input voltage: 100-240V, 50/60Hz.
• Compact and lightweight design, measuring approximately 94 x 47 x 33 mm.
• Equipped with a 5.5 x 2.1 mm DC plug for easy connection.
• Ideal for charging electric screwdrivers, portable tools, and similar 5S battery-powered devices.
• Durable with enhanced safety for device and user protection.

Specifications

Material : ABS

Color : Black

Plug Type : EU Plug

Input Voltage : AC 100–240V, 50/60Hz

Output Voltage : 21VDC

Output Current : 2A

LED Indicator : Two-color LED: Red (Charging), Green (Fully Charged or No Load)

Output Jack Size : 5.5mm X 2.1mm

Connector Polarity : Inside Positive (+), Outside Negative (–)

Charging Indicator : Two-color LED: Red (Charging) / Green (Fully Charged or No Load)

Adapter Size : 85mm × 50mm × 30mm

Cable Length : 75 cm

Protection Features : Over-Voltage, Over-Current, Short-Circuit Protection

Applications

• Charging 5-cell lithium-ion or lithium polymer battery packs (18V-21V nominal voltage).
• Powering and charging electric screwdrivers and cordless power tools.
• Use in portable electronic devices requiring 5S lithium battery packs.
• Suitable for battery packs in vacuum cleaners, garden tools, and other rechargeable handheld devices.
• Ideal for hobbyist and DIY electronics projects using 5S battery configurations.
• Providing safe and efficient charging for compatible lithium battery packs with built-in protections.

Package Contents

• 1 x  5S Lithium Battery Charger Adapter 21V 2A 5.5X2.1mm