This multi-battery charger can charge up to 12 batteries simultaneously and is ideal wherever charging multiple batteries is the norm. Its dimensions measure 13 1/2"w x 11"h with a 13 diameter. It is completely portable with 72-volts and includes a charger and 5 jumpers for connecting batteries in a series. It has the capability to charge six 12-volt batteries or twelve 6-volt batteries and a fuse protects against overload and short-circuits. It is ideal for low-rider cars or fleet and industrial operations and is perfect for those applications where portability is a must.