Features: Advanced, user-friendly Smart G2 charging technology that fits into any hobby budget Delivers 55W of charging power Includes selectable IC3® and IC5® charging ports ? no separate adapters required Charges AND balances Smart G2 batteries with one simple IC3® or IC5® connection ? no separate balance lead needed Charges up to 4S LiPo/LiFe/Li-Ion/LiHV batteries and 1-12S NiMH/NiCd packs Color LCD screen interface features intuitive menus, icons, and navigation tools Clock counts down remaining charge time until your Smart battery is fully charged and ready to use Charges virtually any RC battery (use Smart batteries to benefit from all charger features) Auto Charge recognizes Smart battery charging parameters and starts charging automatically when connected USB input for updating firmware Sleep mode Detachable power cord Sleek, sturdy case fits well on your workbench and in pit/field bags Smart Charging Technology Every Modeler Can Afford: The Spektrum™ S155 charger makes advanced, user-friendly Smart G2 charging technology affordable for any RC hobbyist. Its a particularly fine choice for cost-conscious new drivers and pilots who want the safe and simple operation that only a Smart charger can provide. Compatible with 4S LiPo, LiFe, Li-Ion, or LiHV batteries as well as 1-12S NiMH and NiCd packs, the 55-watt S155 charger can be used with all popular RC battery types (though only Smart batteries take full advantage of the chargers innovative features). It includes ports for IC3® and IC5® connectors, so no separate adapters are needed to charge most Smart batteries. Generation 2 Smart technology enables the S155 to both charge and balance Smart G2 batteries using one simple connection