18650 Battery Charger, 2 Slots, Rechargeable Batteries for 21700, 26650, 14500, 18500, 17500, and 18350 Batteries, Universal Smart Charger with USB Cable for 3.7V Li-ion Batteries

Wide Compatibility: This universal USB-A battery charger is compatible with 10440, 14500, 17500, 18350, 18650, 26650 rechargeable batteries and many more. Ideal for users of various battery types. Fast and Efficient Charging: This 2-slot USB fast charger for 18650 batteries is compatible with 26650 batteries. It supports fast charging of modern batteries and offers stable performance for a wide range of devices using lithium-ion batteries. Individual Charging Channels: This 2-slot rechargeable battery charger for Li-ion batteries allows you to charge two batteries simultaneously. This allows you to charge batteries with different characteristics in parallel without one affecting the other, thus reducing charging time. Multiple Protections for Optimal Safety: This 18500 USB-A battery charger is equipped with multiple protections, including overcharge, overheating, overvoltage, and short circuits. These safety mechanisms ensure worry-free use and protect your batteries. Practical design with LED indicator: this universal charger features an LED indicator that displays the charging progress: red light for 25%, 50%, and 75% charge, and green light when the battery is fully charged. Its compact size and USB interface allow you to use it anywhere, at home or on the go.