This is the Cox AC Adapter for the Cox Balance Charger (COXP5820). FEATURES: 12V A/C Power Supply Works with Cox 2S balance charger INCLUDES: Power Supply with lead REQUIRES: Cox 2S LiPo charger SPECS: Length: 2.8" (72mm) Width: 1.5" (38mm) Height: 1.1" (27mm) Input: 110-120V AC COMMENTS: Never leave the battery and charger unattended while charging JAW 2/22/11 ir/jxs