【Strong compatibility】: Flat top battery size: 0.7*0.7*2.55 inch. This battery charger is designed with retractable battery compartment, which can accommodate simultaneous charging of multiple batteries of different sizes, such as 18650, 26650, 16340, 14500, 21700
【2 color LED indicator】: Red light shows charging status; green light indicates full charge.
【Intelligent Battery Protection】This battery charger is equipped with a intelligent chip that prevents reverse charging, overcharging, and short-circuiting. Battery charging time is 3-8 hours, automatic power off when fully charged
【Universal Multi-Device Charger Cable】The USB cable on this charger is compatible with universal power supplies, and can be connected to the USB port of cell phone chargers, power bank, and computers for normal charging.
【Multi-device compatibility】 The rechargeable 18650 charger is equipped with 18650 batteries and can be used for flashlights, doorbells, alarm clocks, remote controls, radios, game consoles and other battery powered devices
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