Was going to buy one a couple of days ago now I see it's 15% off
I originally started looking at it because if this article.
https://www.howtogeek.com/jsaux-battery-pack-for-meta-quest-…
JSAUX Battery Pack for Meta Quest 2/3, 10000mAh PD Fast Charger Battery Pack (Extra 4-6 H Playtime), VR Extend Power Accessories, Compatible with Oculus Quest 2, Meta Quest 3, PS VR2, Pico 4, White
Top highlights
Brand JSAUX
Colour White
Item weight 0.44 Kilograms
Output wattage 20 Watts
【Extend 6-8H VR Playtim】 The JSAUX Battery Pack boasts a 10000mAh capacity, providing an extra 6-8 hours of playtime. This significant extension allows gamers to enjoy longer sessions without the need for frequent recharging, making it an ideal accessory for immersive VR experiences.(Note: The exact duration of the game depends on the type of game you are playing, as larger games consume more power.)
【Exclusive Hanging Neck Design】 Discover the ultimate in VR comfort with our Exclusive Hanging Neck Design. This groundbreaking design liberates you from the confines of charging cables and the discomfort of head-mounted batteries. Enjoy the freedom to move without fear of tripping and dive into extended gaming sessions without the burden of head fatigue
【Fast Charging As Original】 Built-in chip automatically detects the maximum performance supported by the device, provides the fastest available current up to 20W (matching the efficiency of the original battery), fast charges your device while protecting your original battery.
【Universal Compatibility】Our portable charger seamlessly supports all Type-C devices, including Mate Quest 3, Mate Quest 2, Pico 4, Pico 4 Pro, HTC Vive, as well as phones, tablets, laptops, and more.
【What you get】 JSAUX 10000mAh Battery Pack Black 1, USB C Charging Cable1, 18 months warranty and and 24/7 customer service, if you have any questions, we will resolve your issue within 24 hours.
Not sure my head could deal with having the headset on that long, but I love the idea anyway. People using a headset in a group would definitely benefit from longer run times! 440g around the neck doesn't sound like much extra weight.