Features: * With 2 kinds of charge current adjustment (500mA/1000mA); it can charge different sizes (18650/26650.../AA/AAA) of battery simultaneously. * A variety of display modes, current (mA), capacity (mAh), voltage (V), time (h) and internal resistance (mR). * In the Charger mode, different charge currents are charged; in the Dischareger mode (full charge before discharge), the battery capacity is detected; both the Charger and Dischareger modes can be performed simultaneously. * Various protection functions, overcharge and overdischarge, short circuit, temperature, 0V voltage activation function, intelligent identification of bad battery and reverse battery detection protection. * Each battery has an independent area in the LCD to display the charge or discharge parameters, and each battery can be set up for charge/ capacity detection simultaneously or independently.