This Simple Cell Phone Charger Circuit using 1.5V Battery is one special charger we can take anywhere but there is no need to plug; we can charge phone anytime. It also uses a standard AA or AAA battery like the one used in TV remotes, inside, it includes a circuit that boosts the weak battery […]
Battery Charger Circuits
NiMH Battery Charger Circuit
This NiMH Battery Charger Circuit is like special water can for NiMH batteries which are the same batteries inside camera, toy and other devices. Normal charger maybe not be so good for these batteries but this NiMH charger circuit give just right power and make battery work good and last long time. Circuit Working: Parts […]
Simple 2 LED Battery Status Indicator Circuit
This Simple 2 LED Battery Status Indicator Circuit work like gas meter but for battery, as it uses LED lights to tell how much power battery still have. One light mean battery is full another light mean half power and last light mean time to charge. Also, it use small parts like resistors, Zener diodes […]
Fast Charger Circuit with Auto Cut Off
To begin with, this Fast Charger Circuit with Auto Cut Off is fast charger for battery like car battery or backup battery; also it charges battery very quick but there is no need worry it wont overcharge. Furthermore, inside circuit there are safety part when the battery is full it stops charging by itself, this […]
Battery Charger Circuit using a Solar Panel and 220V Supply
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 […]
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 […]