Universal Smart USB Battery Charger – For 18650, 26650, 14500, 21700 Li-ion Rechargeable Batteries

Charge your batteries safely and efficiently with this Universal Smart USB Battery Charger, compatible with multiple Li-ion rechargeable battery sizes including 18650, 26650, 14500, and 21700. Designed for convenience, this charger features intelligent charging control to prevent overcharging, overheating, and short-circuiting.

With its USB-powered design, you can charge your batteries anywhere—using a power bank, wall adapter, or computer. Lightweight and portable, it's ideal for users of flashlights, vape devices, headlamps, and other battery-powered tools. A reliable choice for daily use or travel