The BMAX 18650 USB Charger in model BH-042100-03U offers smart, independent charging across three slots so you can power multiple batteries at once without compromise. Equipped with intuitive LED light indicators that glow red during charging and green when fully charged, it keeps you effortlessly in control. Delivering a steady output of DC 4.2V at 1000mA and powered through a standard USB 5V input, it balances speed and safety. Built from durable ABS material that slips easily into your gear, this compact charger operates quietly and without fuss. Whether at home or on the move, it’s the reliable, convenient charger that keeps your devices ready for action.