Brand: SHARK SISTER Product: Battery Chargers Model: Three Slots Output: USB DC 5V 1A Input: DC4.2V1% 1A Indicator Lights: Red light when charging, turns green when fully charged Rated Input Power: 4.2W Size: 103 * 63 * 22mm Color: Black Features: Independent control for free charging. Multiple slots can charge simultaneously without interference. Supports multi-specification 3.7V/4.2V series lithium batteries. Charging power indication stops when full. Safe charging, anti-overcharge. Posted on sale: 2024.10.25 About this item: The SHARK SISTER battery chargers are a reliable and efficient solution for powering up your devices. The sleek black color gives them a professional and understated look. With a compact size of 103 * 63 * 22mm, they won't take up much space on your desk or in your travel bag. Featuring a three-slot model, they offer great flexibility. You can charge multiple batteries at once, and thanks to the independent control, you're free to choose which ones to charge and when. This means no more waiting for one battery to finish before starting another. The USB DC 5V 1A output and DC4.2V1% 1A input ensure compatibility with a wide range of devices. Whether it's your smartphone, tablet, or other gadgets that use 3.7V/4.2V series lithium batteries, these chargers have you covered. The indicator lights are a handy feature. The red light lets you know when charging is in progress, and the green light signals that the battery is fully charged. Plus, the charging power indication stops when full, saving energy. Most importantly, safety is a top priority. With anti-overcharge protection, you can trust that your batteries won't be damaged during the charging process. Whether you're at home, in the office, or on the go, the SHARK SISTER battery chargers are a smart choice to keep your devices powered up.