This is the VR-1 Balance Board with cable for Thunderpower LiPo Batteries for use with the TrakPower VR-1 Charger, TKPP5000. FEATURES: Balances 2-6S Thunderpower LiPo batteries INCLUDES: Thunderpower 2-6S Balance Board with Cable REQUIRES: Connecting cable between balance board and charger SPECS: Dimensions: 1.06 x 1.5 x 0.47" (27 x 38 x 12mm) jxs 11/02/12 ir/jxs