This is a replacement peak detecting AC charger for charging 5-cell NiMH and NiCD receiver packs, or 6 cell NiMH and NiCD stick packs. This charger will fast charge an 1100Mah receiver pack in about an hour. This new version included an adapter for charging 7.2V 6-cell stick packs used in the EZ-Start system, and will charge a 1500mAh pack in about 90 minutes. Included is the charger and an AC power adapter for supplying power to the charger (you can buy an optional adapter to plug it into a cigarette lighter).