4.2V 0.5A AC-DC Power Adapter for 18650 Flashlight, 3.7V Headlight Charger, 3.5mm x 1.35mm Plug, 500mA Rechargeable Supply

Upgrade your charging solution with the FVJVYE AC-DC Power Adapter. This high-quality 4.2V charger is specifically designed for 18650 lithium batteries, making it ideal for rechargeable flashlights and other compatible devices. Whether you're at home or on-the-go, its universal input voltage of AC 100V~240V ensures reliable performance around the world.

This power adapter features a compact 3.5mm x 1.35mm DC plug and provides an output of 500mA. Safety is a priority with built-in protection against overcharging and short circuits. The smart indicator system includes a green light for standby and a red light for active charging, switching back to green once the battery is fully charged.

Package Includes:
- 1 x 4.2V Plug Charger (Randomly includes EU or US plug)

Product Features:
- Stable Performance: Durable and resistant to frequent use.
- Smart Indicators: Green light for standby, red for charging, automatic stop when fully charged.
- High-Quality Cord: Includes a 50cm power cord.
- Versatile Compatibility: Suitable for 500mah-5000mah lithium batteries.
- Plug Options: Available in EU, US, UK, and AU plugs.

Experience efficient charging with this reliable power adapter, tailored for your 18650 battery needs.