Solar Power

Radio Friendly MPPT charge controller for Off-Grid Radio Comms

November 30, 2023 Julian OH8STN 9

The author discusses choosing a solar charge controller suitable for radio communication. He focuses on three criteria: portability, radio frequency quietness, and Maximum Power Point Tracking (MPPT) functionality. Recommending Genasun due to its compatibility with these requirements, he mentions his dissatisfaction with another brand, Victron, that caused excessive radio frequency noise. For optimal results, he suggests keeping devices DC powered and using no inverters. He provides specific instructions about matching controllers to battery and solar panel specs, and suggests parallel configuration for Genasun controllers.

Power Queen LiFePO4 Black Friday sale

November 16, 2023 Julian OH8STN 3

Power Queen, a supplier of LiFePO4 battery packs, is having a Black Friday sale from November 14th to 24th, offering discounts on their North American and European websites. The author, who has had a positive personal experience with the product, endorses the batteries for off-grid use cases such as ham radio stations. The promotions also include giveaways on social media (Instagram and Facebook).

PowerFilm solar panel vs hunting rifle

August 1, 2023 Julian OH8STN 0

A demonstration showcased the durability of PowerFilm Solar’s portable panels, enduring multiple hits from a .25 caliber rifle yet continuing to perform. Despite numerous punctures, the panels’ peak current decreased from 0.73 to 0.47 amps but remained stable. PowerFilm Solar, an American company, offers these robust panels excellent for mission-critical tasks, illustrating quality differences between brands.