PowerFilm Lightsaver Max Microsoft Surface Charging off grid
Hello Operator. Many of you have asked about charging the Microsoft Surface Go 2, using the PowerFilm Lightsaver Max. PrefaceThe beauty of the PowerFilm Lightsaver […]
18650 battery pack
Batteries for QRP & Survival Radios by Gil F4WBY
F4WBY gives us a lesson on batteries for ham radio
DIY 3/4S Li-Ion QRP Battery Pack
A simple 3 or 4 cell solar compatible Li-Ion battery pack for QRP radios.