This smart Battery Charger Circuit using a Solar Panel and 220V Supply charges the battery using sun and normal electricity. During daytime solar panel take sunlight and charge the battery; no worry if sky is cloudy or if it is night time it also uses normal 220V electricity to charge. Also, it has hot backup […]
Battery Charger Circuits
LM317 IC Solar Charger Circuit with Auto Cut off
LM317 IC Solar Charger Circuit with Auto Cut off works like smart nanny for a battery, as it takes sunlight and charge battery but stop at right time. Also, inside it have one smart chip called LM317 which control charging and gives battery only needed power which is not too much. The best part is […]
Automatic Lead Acid Battery Charger Circuit
This Automatic Lead Acid Battery Charger Circuit show how to make smart charger for car lead acid battery!; with this charger no need to worry about overcharge. Also, it will stop charging by itself when battery is full and it is good for things using car battery like UPS backup power. Circuit Working: Parts List: […]
Simple Low Battery Indicator Circuit using Two Transistors
This article for Simple Low Battery Indicator Circuit using Two Transistors tell how to make small circuit for battery device. When battery goes low it uses only few parts like two transistors to turn ON one LED light; so this way we can know when to change battery before device stop working. Circuit Diagram: Parts […]
Self Discharge Battery Protection Circuit
This article for Self Discharge Battery Protection Circuit teaches how to make one easy circuit to protect car battery (lead acid type) when not using. Also, this circuit help battery live more long time and keeps it healthy. WARNING: Making lead battery for car can be dangerous, so try to do this with one big […]
Battery Saver Circuit
Some things like calculator and TV remote have special circuit inside and this Battery Saver Circuit help to protect battery; also if someone forget to turn OFF the circuit, then it stops battery to finish fast. But still battery will lose power slowly with time even with this circuit. The Circuits Goal: After one minute […]