RCE1691 USB Multi-Charger for Charging Up To 4 1S Lipo Batteries at Once, Hubsan Connector CASTLE CREATIONS Can be customized with additional

Can be customized with additional accessories sold separately

Charge rate of individual batteries can also be user-customized

Cooling Fan: Optional

Large P and L Letters Built into the Tread

The extra voltage and current maximizes the potential of the Velineon 540XL motor for extreme 50+mph speed

RCE1691 USB Multi-Charger for Charging Up To 4 1S Lipo Batteries at Once, Hubsan Connector CASTLE CREATIONS Can be customized with additionalUSB Multi Charger for Charging Up To 4 1S Lipo Batteries at Once, Hubsan Connector Racer's Edge new USB charger allows up to four 1S LiPo packs from Hubsan and other brands to be charged simultaneously from a mobile charger, device charger, computer or automotive USB outlet. Never wait to fly your micro or nano quad or aircraft again!