Xtorm's "Fuel Series 5 (20000 mAh, 35 W, 74 Wh)" powerbank is generally compatible with most devices that use USB ports, including smartphones and tablets. However, to determine whether this is specifically suitable for the Meta Quest 3, here are a few things to consider:

- Capacity and Power: The powerbank has a capacity of 20,000mAh and a power output of 35W via the USB-C PD ports, which is enough to charge most portable devices, including virtual reality headsets.
- Connection Ports: It has two USB-C ports and one USB-A port, so you can charge multiple devices simultaneously, including a virtual reality headset like the Meta Quest 3.
- Safety: The powerbank is equipped with advanced protection mechanisms against overcharging, short circuits and overheating, ensuring a safe charge for your devices.

Since the Meta Quest 3 uses power via USB-C and requires a stable charge, this powerbank should be compatible and able to charge it without problems. However, it is always advisable to check the exact specifications of the Meta Quest 3 to ensure that there are no special requirements that could affect compatibility.