Dynamite Prophet Plus II AC/DC Peak Charger DYN4054 Input-switching AC/DC power supply allows compact design Charges 4- to 8-cell Ni-Cd and Ni-MH packs Peak detection switches to a safe trickle current when fully charged Selectable charge rate: 1, 2 or 4 amps LED light and beeper indicate charge status Short-circuit protection and reverse-polarity protection Built-in cooling fan Beeper inhibit function