ER-50 NG retracts are rated for 3S LiPo voltage. Therefore, the battery that you have…

All retracts purchased from January 2013. The serial number must start by 13, 14, 15,…

This is possible only in the “reversible version” of our retracts, released from January 2015…

Electron suggest using a single small battery for retracts and brakes, and don´t share the…