| It seems to be an unwritten rule in Hollywood: there must be an assortment of devices that crackle and spark in the lab of a mad scientist....
| It seems to be an unwritten rule in Hollywood: there must be an assortment of devices that crackle and spark in the lab of a mad scientist....
| Not so long ago the author stumbled across a bunch of old notebook batteries. They had been rejected as ‘no longer fit for purpose’. Natural...
| Using photovoltaic (PV panels (”solar panels”) is an attractive way to keep batteries charged in boats and recreational vehicles. While RVs...
| With renewable energy high on the agenda, this little project will appeal to everyone who would feel better charging their mobile or PDA fro...
| The self-balancing single-axle DIY electrovehicle uses sealed lead acid (SLA) batteries for power. You can of course use the supplied charge...
| Originally developed for receiver batteries in radio-controlled (RC) models, the circuit discussed in this article is used to charge, discha...
| The ‘Simple LiPo Charger’ published in Elektor Electronics April 2005 is a small and handy circuit that allows you to quickly charge two or...
| During the summer months they appear again all over the place: those solar powered garden lights. During the day they store the captured sol...
| Lithium-polymer batteries are becoming increasingly common in new electronics equipment. They are superior in terms of both size and weight...
| To enable the control module, described in Part 1, to function as a battery discharger, a number of additional hardware components are requi...