I you want buy BOBOVR P4 Twin Battery Upgrade Combo - Compatible with Pico4 Accessories, Recirculating Power Supply System,Dual Battery Pack + Magnetic Charging Dock,you can click photo

BOBOVR P4 Battery Dock For Pico 4 VR Headset 5200mAh Magnetic Battery Pack with Honeycomb Pads Compatible with Pico4 Accessories

Features:

1.BOBOVR specially developed a battery dock kit for Pico4, which can improve the battery life and comfort of Pico4.

2.Using BOBOVR's innovative magnetic design, the battery pack can be quickly replaced with one hand at any time during use to keep the battery fully charged.

3.Each battery pack has a capacity of 5200mah and provides 12w discharge power.The matching B2 battery pack weighs only 140g

4.The battery does not include a USB charger, please use Quest2 or other standard USB-C chargers