The charger is a compact universal charger with a modern design featuring two independent charging outputs, ideal for use in a home hobby room. It is equipped with a colored display and operates on the AC mains; a 12 V DC input is not integrated. The ISDT D2 charger stands out for its high charging and balancing performance and is state-of-the-art. Despite its compact dimensions and low weight, it is capable of charging up to 16 nickel and up to 6 lithium cells, including LiHv cells, as well as up to 12 Pb cells with a current of up to 12.0 A at each output and discharging at up to 3.0 A. The charging power is 200 W, and the discharging power is 5 W per output. The balancing current is up to 1 A per cell. The power levels are limited by the system to avoid overloading the device. The regulated fan ensures a healthy thermal balance.