18650 Battery Charger,4 Bay 3.7V Lithium Battery Charger, Smart USB can Quickly Charge,Suitable for Various Lithium Batteries 26650/21700/18650/18500/18490/16340/14500

18650 battery charger,Smart USB Lithium Battery Charger – Fast & Safe Charging, Multiple Uses

Power up your devices effortlessly with our advanced Smart USB Lithium Battery Charger! Designed for efficiency and safety, this battery charger adapts to your lifestyle—whether at home, in the office, or on the go.

Why Choose Our Smart Battery Charger?

Universal Compatibility

Works with 3.7V-4.2V lithium batteries (26650/21700/18650/18500/18490/16340/14500) for drones, flashlights, cameras, and more. Adjustable contacts fit multiple sizes securely.

Intelligent turn light

High-precision chip monitors voltage in real-time, stopping charging at 100% to prevent overcharging and extend battery lifespan.

Portable & Travel-Friendly

Compact size (4.92×1.46×5.31 inches) and lightweight ABS shell with flame-resistant design. Pair with a power bank for charging anywhere.

4-in-1 Safety Protection

Overcharge + Short-Circuit + Reverse Polarity + Overcurrent Protection—automatically shuts off if the battery is inserted incorrectly.

Rapid & Energy-Efficient

Optimized charging speed reduces energy waste. Nickel-plated contacts resist rust, while ventilation slots dissipate heat for safer long-term use.

What’s Included

Smart USB Lithium Charger ×1

Type-C cable×1

Tips

Ensure the battery voltage is within 3.7V-4.2V for optimal charging performance.

Check the product details for specific compatible battery models.

Upgrade your charging experience—smarter, safer, and more efficient!