Tag Archive for batteries&QRP

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…

A better way to monitor your batteries’ performance

bc1000_data

Last week I mentioned Sanyo’s new higher capacity Eneloop NiMH batteries. I ordered myself an 8-pack of them from Amazon.com…along with a new charger – La Crosse Technology’s BC-1000. The package arrived yesterday and that charger is pretty darned amazing. It automatically does in one fell swoop for four batteries what used to have to…