This Spektrum Powerstage Bundle is the smart and best choice for any vehicle needing a 5000mAh 2S LiPo battery. With a Spektrum Smart Charger and battery, you never have to second-guess your charger settings, charge level or battery status. Charing is made fast and easy with the popular S100 charger to get you back to bashing and racing. Battery maintenance is trouble-free with our innovative built-in auto-discharge functionality. This helps give your batteries a long and healthy life by keeping them from remaining charged for extended periods of time. Spektrum's Powerstage bundles provide unmatched value and safety compared to other systems on the market and are the best choice for RC enthusiasts of all skill levels.