battery power – Page 5 – OH8STN Ham Radio

DIY LiFePO4 battery pack for the Yaesu FT-891

February 19, 2018 Julian OH8STN 0

Preparing for the next DIY LiFePO4 battery build. This time it’s a 128wh, 50A draw LiFePO4 battery pack for the Yaesu FT-891. Yaesu FT-891 GoKit […]

One perfect example of Off-Grid Amateur Field Comms

January 4, 2018 Julian OH8STN 0

I just thought I’d share this video from Kevin W6RIP. Kevin was out on SOTA Expedition. He also took a few minutes to go over […]

PowerFilm Solar Tutorials

December 3, 2017 Julian OH8STN 0

I get lots of feedback from people saying they get the same value and functionality from “cheap” eBay or Alibaba solar panels as with the […]

Easy Desktop Charging A123 4S2P LiFePO4

November 23, 2017 Julian OH8STN 0

A viewer asked if I could do a short explainer video showing desktop charging of our latest battery pack. Of course I can! So far […]

Portable Power: Wrestling with pigs

November 21, 2017 Julian OH8STN 0

Something unimaginable just a couple of weeks ago is reality today. Apparently, there’s a company which believes a more efficient use of its time, is […]

Portable Power: Why simultaneous charging & discharging?

November 19, 2017 Julian OH8STN 0

We do a lot of work with portable power on the channel and on the blog, yet there isn’t a day passing, where someone doesn’t […]

Lead Acid & AGM Batteries are a No Go!

October 29, 2017 Julian OH8STN 0

Today while sitting here working on a video about portable Comms, I received a question from the operator asking me about AGM batteries for hiking. […]

Portable Ham Radio Tips & Tricks EP1 from Signal Search

October 20, 2017 Julian OH8STN 0

I was looking for some new channels on YouTube or Instagram, hopefully channels which skip the entertainment, and focus purely on providing the education. Well, […]