The Nitecore NB10000 is a simple portable battery charger built around a carbon-fiber platform for maximum weight savings.
Considerations for managing backcountry electronics including portable battery packs, batteries in cold temperatures, headlamps, cameras, satellite communicators, fitness watches, smartphones, and more.
BPL author Rex Sanders tackles the pros and cons of navigating by GPS in a short blog post that includes links for further info.
Backpacking Light's editorial team, guides, contributors provide their favorite gear choices in BPL's Staff Picks gear guide for 2018.
I've been immersing myself in the study of backcountry electronics this year, including technologies for lighting, navigation, and photo/video. This article highlights some gear that I'm using this summer, and how I'm calculating, and managing rechargeable battery needs.