General description Liitokala Lii-500 Smart Charger is designed for charging various types of rechargeable batteries including Ni-MH, Ni-Cd, and Li-Ion. It features 4 slots that can charge different sizes of batteries simultaneously, such as 18650, 26650, AA, and AAA. Technical specifications Charging current adjustment: 300mA, 500mA, 700mA, 1000mA USB output: 5V/1000mA (for lithium batteries only) Usage Charging modes: Charge, quick test, and test again can work simultaneously Independent charging and rapid capacity detection Other information LCD display shows voltage (V), current (mA), time (h), capacity (mAh), and internal resistance (mR) Protection functions: overcharge protection, deep discharge protection, short circuit protection, temperature protection, 0V voltage activation function, intelligent battery identification, and reverse polarity protection