The series charger workhorse. Charges 1-60 cells from 0 to 6 amps. With state-of -the-art, anti-spark delay, voltage is shut off when current is interrupted, eliminating sparking. Added safety feature provides greater protection when charging 10 batteries where the voltage approaches 158 volts DC. Output current can be smoothly adjusted over full range of front panel control. Polarity protection for operator and equipment safety. Nine charging leads included