A thru-hike battery is light, USB-C, and big enough to reach town. That is the whole job. Headlamps and messengers have their own lists.
Nitecore NB10000 is first: 5.3 ounces, 10,000 mAh, the bank a lot of a PCT class already carries. Nitecore NB20000 is the Premium Pick when the carry is longer. Anker 533 is Best Value: slim 10,000 mAh, a co-op and Amazon shelf.
Rankings and kits are based on published surveys and independent analysis. They are opinions for informational purposes only. Users are responsible for choosing and using gear appropriate to their conditions and experience. Thru Picks is not liable for outcomes related to product use. Terms