BesTech 50A 4S LiFePO4 BMS
I promised to update all of you when the hi-current BMS board for lithium iron phosphate batteries arrived. Well today I received the BesTech 4S […]
Portable Power
Building blocks of a Portable Solar Generator
I get lots of related questions about the battery pack builds, the solar panels, and charge controllers we see on the channel. There seems to […]
DIY PowerFilm Cables & Connectors for Extreme Conditions
Now that I have the 20 watt PowerFilm F15-1200 for casual radcomms, qrp hiking, …, and FM16-7200 for the solar powered field station, I thought […]
Getting started with Amateur Field Communications EP01
Hello operators. After a couple of angry emails, I decided to publish the episode notes for: Getting started in Amateur Field Communications. ☺ Honestly I […]
Lead Acid & AGM Batteries are a No Go!
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. […]
DIY LIFEPO4 Power for Ham Radio Update
Hello operators. I thought I’d share a couple of updates with you on the 10Ah version of the DIY lithium iron phosphate power project. Heatshrink […]
Amateur Comms & Off-Grid Power Post Disaster
The loss of grid-tied power and communications in places like Puerto Rico & Dominique, shows us the importance of unconvintional strategies for amateur field comms […]
Portable 5Ah LiFePO4 battery pack for ham radio
Once again, I put out the question about another battery build. The votes point to a smaller, lighter pack. Well, on October 04 2017, parts […]
QRP/p With an FT-817 20w PowerFilm & 10Ah LiFePO4 pack
Quite often I sit out here at a nice spot along the sea enjoying the final moments of the summer/autumn. Even with the sun quite […]
Portable renewable power kit for disasters
Portable Renewable Power for disaster survivors