A-Grade Lithium 330 mAh Battery to fit Nextbase Dash Cam 422GW 322GW 222G. Fits Nextbase NBDVR422GW / NBDVR322Gw / NBDVR222G / NBDVR222. If in doubt about how to do this, there are videos on YouTube showing you how to do this task which I would suggest you look at before buying.
