Reader, [Fox9p3400], opened up an Xbox 360 controller battery pack so we could all see what goes into one. It contains two Sanyo 2100mAh NiMH AA rechargeables (Model HR-3U 1.2V). In addition to ...

Read more: 5 Forgotten PS3 Features That Are Pure Nostalgia Dating back to the Xbox 360, with every ... The selection of rechargeable battery packs for the DualSense controller is pretty slim.

The Xbox controller battery lasts 30 to 40 hours of gameplay when fully charged. High-quality AA batteries or the official Xbox rechargeable battery pack can ensure optimal battery life.