You never need to set the charging settings for a Spektrum Smart battery until you want to. When a Spektrum Smart LiPo battery is connected to a Spektrum Smart Charger, unique parameters and the condition of this Smart LiPo battery charge from the Smart Memory Microchip built into the battery. The charger allows you to view and set settings such as charging rates, so all you need to do to charge the package every time is press the "Start" button of the charger. Intelligent technology takes care of the rest.