This black smart battery charger is designed to safely and efficiently charge a wide range of cylindrical lithium-ion cells. It supports 14500, 18650, 21700, and 26650 batteries – the most common sizes for flashlights, vaping devices, power tools, and portable electronics.
With an intelligent charging circuit, it automatically detects battery type and adjusts the optimal current to protect against overcharging, overheating, and short circuits. The compact, lightweight design makes it easy to carry, while the LED indicators clearly show charging status at a glance.
Simply plug it into any USB port (wall adapter, power bank, or laptop) and you are ready to go. Whether you are at home, in the office, or on the road, this charger keeps your batteries powered and ready.