⚡ Solar & Power
Why a Solar Radio With a Flashlight Beats Your Phone in a Blackout
Why a solar hand-crank emergency radio beats your phone in a blackout: NOAA and longwave broadcasts, infinite power, built-in light and how to set one up.
7 min readSolar & Power
Small solar setups, batteries and powerbanks that actually hold up.
3 hacks
⚡ Solar & Power
Keeping Powerbanks Alive in the Cold
Why powerbanks fail in the cold and how to fix it: lithium chemistry below freezing, body-heat storage, charging rules and choosing cells that cope.
7 min read
⚡ Solar & Power
Sizing a 100W Solar Panel and Battery Properly
How to size a 100W solar panel and battery correctly: real daily watt-hours, sun-hour maths, depth of discharge and why most small solar setups fail.
8 min read