Hitec RCD 44154 EH Battery Balancer Adapter for X4 Charger
Category: Toys & Games | Hobbies | Remote & App Controlled Vehicles & Parts | Remote & App Controlled Vehicle Parts | Battery Chargers
Price: $8.66

For 2-6s LiPo batteries, 7.4V-22.2V
Matches the balance plug on batteries with JST-EH style balance plug
Expand the charging capabilities of the X4 charger