Tag Archives: battery

Water Level Logger – solar charger

Posted on 2014/02/17 by andy

It was my first work on photo-voltaic and rechargeable batteries technology. I have read a lot about mono- and poly-crystalline cells, tracking the highest efficiency points of panels (MPPT) or proper charging/discharging. Facing that I felt I have long way … Continue reading →

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Andida 1800mAh smartphone battery

Posted on 2012/05/28 by andy

Some time ago I was facing spontaneous heavy battery drain, around 5% per hour, so that battery could not last one day doing anything. Far too much because it already could work 3 days on single charge, when idle most … Continue reading →

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