Multifunctional Battery Charger

Get reliable and safe charging performance with the 3.7V battery charger, specially designed for cylindrical rechargeable lithium batteries such as 18650, 14500, 16340, and others with a 3.7V rating.

This compact and portable charger ensures efficient charging without overheating or damaging your battery. It’s ideal for home or travel use and can be powered via USB port or wall adapter.

Equipped with an LED indicator to show charging status (Red = Charging / Green = Fully Charged), making it simple and safe to use.

???? Key Features:

✅ Compatible with 3.7V lithium batteries like 18650 / 14500 / 16340

✅ Compact and lightweight – perfect for travel

✅ LED charging status indicator

✅ Built-in protection against overcharging, short-circuit, and overheating

✅ Can be powered via USB or power adapter

✅ Fast and efficient charging

???? Technical Specifications:

Input Voltage: 5V (USB)

Output Voltage: 4.2V (Full charge)

Output Current: 500mA – 1000mA depending on model

Compatibility: 3.7V rechargeable lithium-ion batteries

Material: Heat-resistant plastic

Weight: Lightweight and portable

Safety: Built-in protection circuit

???? Target Audience:

Users who rely on rechargeable batteries

Ideal for flashlights, electronic devices, laser pointers, and more

Suitable for both personal and professional use