Tired of buying AA batteries?
Here is the answer.
Affordable 3000mAh Li-ion pack compatible with FrSky QX7
Weight : 96Gr.
Connection type: XH 2S connector to power QX7
Barrel connector Charge Port includes charge adapterPlease make sure to use an advanced lipo/Li-Ion charger with a balancer to charge this pack.
DO NOT USE WALL ADAPTER!!!