ANNAPRO A3 Max Battery Head Strap for Meta Quest 3/Quest 3S, 20W Fast Charging 10,800mAh Magnetic Battery, Ultimate Comfort & Extended Playtime Compatible with Quest 3S/3 Accessories, White

Powerful Custom Battery: The fastest charging option for the Meta Quest 3/3S/3S Xbox Edition, this battery head strap offers a maximum output of 20W. The 10,800mAh battery pack extends the average playtime for Quest 3/3S by an additional 3-4 hours (depending on load)
Innovative Magnetic Battery: ANNAPRO P1 battery offers convenient power and supports one-handed operation. Automatically magnetically attaches to the head strap. The battery features a power button that allows you to stop charging with a double tap. Two batteries enable hot-swapping, extend the battery life for Meta Quest 3/3S (second battery sold separately)
Significantly Enhanced Comfort: The innovative helmet-style design is lightweight and comfortable, greatly improving the wearability of the Quest 3/3S. Its ergonomic balance reduces pressure, allowing for prolonged enjoyment of immersive MR experiences