Manufacturer Description

USB Multi-Charger for Charging Up To 4 1S Lipo Batteries at Once, Blade/E-flite Connector

Racer's Edge new USB charger allows up to four 1S LiPo packs from Blade or E-Flite 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!