Goolsky 5 in 2 Battery Charging Connecting Cable for WLtoys V977 V931 Q282 JJRC H5C H6C H21 RC Drone Connect 5 batteries to the charger at one time. High quality and durable performance. The JST plug can be applied for B6 battery charger. Saves you lots of time during the charging process. Can be applied for many types of RC toys.