This 21V 2A lithium-ion battery charger is a reliable replacement for your broken or lost adapter. Designed with built-in safety protection chips, it ensures safe and stable charging while protecting your battery from overcharging, overheating, overcurrent, and short circuits.

Perfect for charging lithium battery-powered devices such as headlights, toy cars, balance cars, and more.

Key Features

Professional Lithium Battery Charger
Ideal replacement charger for 21V lithium-ion batteries.

Wide Voltage Compatibility
Supports AC 100–240V input, suitable for universal voltage standards.

Fast & Efficient Charging
Provides stable 21V 2A output for safe and efficient charging.

Advanced Safety Protection
Built-in smart protection chips prevent:

• Overcharging

• Overheating

• Overcurrent

• Short circuit

Durable & Fire-Resistant Material
Made from high-quality ABS material for long-lasting and safe use.

LED Charging Indicator
Clear LED light shows charging status at a glance.

Specifications

• Material: ABS

• Color: Black

• Plug Type: UK Plug

• Input: AC 100–240V, 50/60Hz

• Output: DC 21V 2A

• Output Port Size: 5.5 × 2.5mm

• Adapter Size: Approx. 8.5 × 4.5 × 3cm

• Package Weight: Approx. 110g

Package Includes

• 1 × UK Power Adapter (21V 2A Lithium Battery Charger)

Important Note

• New and old versions of this product may be shipped randomly.

• Please ensure compatibility (21V battery & 5.5 × 2.5mm connector) before ordering.

• Slight measurement differences may occur due to manual measurement.