This Mercury charger is designed for use with 2V, 6V, or 12V lead acid batteries. It features built-in over-current protection and polarity reverse protection to safeguard your battery during charging. The output voltage can be selected via a front-mounted switch, and a 1.8m fly lead with crocodile clips ensures easy connection. The unit has indicator LEDs for charging status and polarity, and includes short circuit, overload, and over-temperature protection. Input voltage is AC100-240V at 60/50Hz, with a maximum current of 600mA. Dimensions are 82 x 56 x 80mm.