$53.99 Powerextra Xbox One Controller Rechargeable Battery, 2-Pack 2000mAh Li-ion Batteries with a USB 
ElecGear Lithium ion Battery Pack for Xbox One Controller, 2X 1200mAh Li-ion Rechargeable 
1400mAh High Capacity Rechargeable Battery for Xbox One ELITE Controllers + 1.8m Play & Charge 
