| With renewable energy high on the agenda, this little project will appeal to everyone who would feel better charging their mobile or PDA fro...
All items tagged with Energy and charger (3)
| If there is one thing that a lead-acid battery does not like it is persistent neglect. When such a battery is being discharged, its en...
| A solar panel rated at 6 V, 50 mA, provides enough energy to charge faur small NiCd batteries. The problem is, however, that the voltage...