Spektrum Smart Powerstage 4S Surface Bundle: (2) G2 5000mAh 2S LiPo IC5 & S2100 ChargerThe Spektrum Smart Powerstage Bundle is a one box solution for surface vehicles requiring two 2S LiPo Batteries. It offers the total package with the ease of use of G2 Smart Technology. Key Features Charges AND balances Smart G2 batteries with one simple IC3 or IC5 connection no separate balance lead needed Up to 100W power per channel or 200W on one channel for fast charging Charges 1 6S LiPo LiFe LiIon LiHV, 1 12S NiCd and 1 12S Smart NiMH batteries