TL;DR: Stick with Anker or Ugreen but make sure it specifically lists PPS support or you wont hit those 30W+ speeds.

I would suggest being reallyyy careful here because Google is super picky about their charging handshake. Honestly, I had a pretty disappointing experience with a cheaper bank that claimed 45W but only delivered like 10W to my Pixel because it lacked the PPS (Programmable Power Supply) protocol. It was sooo frustrating watching it barely move all day... basically a waste of money tbh.

For your situation, I've been using the Anker 737 Power Bank (PowerCore 24K) 140W Output 24,000mAh Capacity and it's mostly solid, but honestly, it might be a bit bulky for a backpack. A more portable option that definitely triggers the 'Charging Rapidly' text is the Ugreen Nexode 100W Power Bank 20,000mAh Capacity. I mean, I guess it gets a little warm if you're using the phone while charging, but it hasn't throttled on me yet.

One quick tip: Always use a high-quality cable like the Anker 543 USB-C to USB-C Cable (Bio-Braided) 140W 6ft because a cheap cord will literally bottleneck your speed even if the bank is top-tier. Just keep an eye on the heat... Pixels tend to get kinda cranky and slow down if they get too hot during a fast charge. Good luck with the new phone!! 👍

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Exactly what I was thinking

Curious about one thing: are you planning on using this mostly for quick top-offs while you're out, or do you need it to be your main power source for a full weekend?? I ask because I've had some pretty sketchy experiences with high-wattage banks overheating when they're pushed to the limit, and with a brand new Pixel 10, you really don't want to mess around with thermal throttling or, worse, battery degradation.

Basically, I’m a bit of a stickler for safety after I fried a port on an older phone using a generic 'high speed' brick. If you want reliability, I’d look at the Anker 537 Power Bank PowerCore 24K 65W vs something like the CUKTECH 10 Power Bank 10000mAh 150W MAX. The Anker is super stable and has great heat management, which is huge for PPS handshakes, but it's a bit heavier in the backpack. On the other hand, the CUKTECH is way more portable and has a reallyyy cool display to show if it’s actually hitting those PPS stages, though it can get a little warmer if you're charging while using the phone.

Personally, I'd go for the Anker just for the peace of mind... it’s better to have a slightly bulkier brick than a phone that’s constantly overheating lol. But yeah, let me know how much weight you're willing to carry and if you're charging other gear too, cuz that totally changes which safety features matter most! peace.

Good to know!