Category: Power supply
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Adapting an HP computer power supply for ham radio use
It’s some time since I purchased an HPS 600PB PSU 12V 47A power supply for about $25 from ARNSW. Seeing one in action at our recent club contest station inspired me to dust it off and put it to work. These power supplies were designed to be hot-swappable and installed in pairs in racks of HP…
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Guide to A123 battery packs
Charles Preston, a member of the Buddipole User Group email reflector has just posted links to two clear and useful guides to using the A123 Battery Packs available from Buddipole. While the Buddipole site links to documents about the batteries there’s very little practical information available about how to nurture these batteries. Similarly the Cellpro Multi4 charger documentation is…
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A123 batteries
There’s been a great explanation posted on the Buddipole list about the practicalities of using the A123 battery packs Buddipole sell from their site. The advantages of the A123 chemistry are low weight, fast charge times and ability to deliver high current. As well their voltage – 13.2v for a four cell pack such as the…