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Lots of advice on here for 5k to 10k batteries but I don't see a lot of discussions about high capacity ones. Nitecore has a 20k battery, and I'm currently leaning towards that, but I'm really looking for the lightest max capacity battery I can get.
I know 27,000 mah is overkill for most, but I use my phone a lot on the trail and it's helpful for group trips.
So any recommendations? I know there's no such thing as a "light" 27,000 mah battery, but I'm hoping to find one lighter than others.
I have at least one old 2600 mAh powerbank sitting around. I mostly do overnight and weekend Bikepacking, and plan to do a shortish tour that will take about a week at some point, but that's about the extent of my touring for the foreseeable future. I know charging technology has gotten way better since I came across my current powerbank. Is it even worth it to use this one, or I should I spend the money for something with more capacity? I'll only be using it to charge my phone (iPhone 8) and maybe a rear light, and my riding will be in places that aren't very remote.