Only the best for your Xbox One controller! Get the dual charger with two additional rechargeable batteries (400mAh) included. Simply plug it via USB and charge them.
I guess you know how it feels when your controller runs out of battery, but you want to continue playing. Pretty awkward. Never have this situation again. From now on you will always have a charged controller, promise.
2 x Batteries (400mAh)
1 x Charging Station