This USB high-speed charger is compatible with various types of lithium-ion batteries. High-performance and reliable, it safely manages batteries, and although it is designed to charge batteries via USB cable, it can also be charged from an electrical outlet using your AC adapter. The LCD display shows current, voltage, and charge rate in %, giving you an accurate status of your battery. In addition, the charging speed (500mA/1000mA) can be switched by pressing the button above the display. The charging current can be selected according to battery capacity. Safety protection functions are also fully equipped. Constant current-constant voltage (CC/CV mode), short circuit protection, overvoltage protection, and over-discharge battery recovery function allow soft-start charging that does not damage the battery. In addition to the charger itself, this 3-piece set includes a USB cable and carrying pouch. Specifications】Input: Micro-USB DC5.0V/1000mAhOutput: 4.2V ±1% 500mAh/1000mAhBody weight: 54g Package weight: 190g Body size: 116mm x 46mm x 33mm Manufacturer: KEEP POWER Compatible lithium batteries] 10440/14500/16340/16650/17670/18350/18500/18650/26650*21700 is only compatible with IMR type without protection circuit
