automatic battery charger circuit

Wednesday, May 25th, 2011

The following automatic battery-charger design is created with a circuit that could qualify as the simplest window comparator ever built around a single transistor. It starts charging when the battery voltage drops beyond a preset value, and it stops when an upper preset voltage is attained. With the help of a precise variable voltage supply, [...]

60 Watt Solar Charging Kit

Tuesday, April 19th, 2011

I’m do looking to backup energy for my laptop, The 60 Watt Solar Charging Kit is need for me very much, it low cost but Good quality,saving money very much,…. Read more Example review I can run my laptop all day, as well as recharge the cell phones and Wifi remotes. My husband can also [...]

Easy dry cell charger with CMOS IC 4011

Saturday, April 9th, 2011

The dry cell charger circuit can be fully charged about 12 hours.When used with a 9 volt supply,the equipments in the circuit for the AA type cell.When using the C and D type cell, should reduce the value of the resistance Rx to be 68 ohms.In charge of the cell, you should not be charged [...]