Tag Archive for batteries&QRP

Two configurations for back-up DC power for the shack

Standard configuration

I am currently awaiting the arrival of a PWRgate PG40S from West Mountain Radio. With a hefty battery available, it only makes sense to put it to use as a method of protection against power outages during wind storms. After all, most modern rigs, including my K3, like to be shut down in an “orderly fashion” rather…

Destructive testing of LiPo batteries?

3sLiPo

Regular readers know of my side interest in RC helicopters and quadcopters. All of these models use LiPo batteries. Prior to my interest in RC, I used LiPo batteries during many QRP excursions. Early on, I bought a West Mountain Radio Computerized Battery Analyzer- a great little device that allows battery capacity to be determined.…

Anker 13,000 mAH External Battery Pack/Charger

anker13000

After months of evaluating my XYL’s iPad and then buying and returning a Kindle Fire HD, I finally settled on a Nexus tablet and started downloading and reading books on it via Kindle. I also use my smart phone as a mobile hotspot at times so that I can go online with the Nexus when…

NiZn rechargeables – a good battery for QRPers?

nizn

I first heard about NiZn AA batteries about three years ago via a photography blog I follow (you can read the article here). They were all the rage over there – for a while. Having a higher per cell voltage than NiMH batteries, they offered a significantly faster recycling time for flashes which is a…

Spares for the shack?

redundancy

Last October, just as DX was starting to get good, my big-ole Astron power supply gave up the ghost. Or so I thought. Turns out it just wanted to nap for a while…several days. I took it apart, schematic in hand, to see if I could find an obvious fault. I thought one of the…