Simple Wall Adapter to Battery Changeover Circuit is very useful for battery systems. It help to switch power between wall adapter which is main and battery which is backup without stop power. So device get power all the time with no break. LTC4412 IC is very important part of this circuit. It control P-channel MOSFET […]
Battery Charger Circuits
24V Battery Charger Circuit for Lead Acid Batteries with IC LM317
24V Battery Charger Circuit for Lead Acid Batteries with IC LM317 is a very useful useful project. It helps battery work good and last long. This charger is made special for 24V 7AH lead acid battery. It uses IC LM317 to control voltage and also control current so battery charge is safe and correct. Circuit […]
12V Battery Level Indicator Circuit using IC LM3914
12V Battery Level Indicator Circuit using IC LM3914 show how much battery power is left. It is good for devices using 12V battery and help avoid sudden power OFF. IC LM3914 senses voltage and control 10 LEDs. It show in dot mode or bar mode. It work with 3V to 25V power supply. LEDs light […]
How to Build a LiPo Battery Charger Circuit
LiPo battery are used more now a days, light stores lots of energy and can recharge. But charging we must be careful and accurate. Need special circuit that stops overcharge or battery that can get damaged or catch fire. Then this How to Build a LiPo Battery Charger Circuit is easy that uses IC 741 […]
Simple DIY Battery Charger Circuit using Center Tap Transformer
Simple DIY Battery Charger Circuit using Center Tap Transformer is a useful device. It fills power in rechargeable battery. This article show how to make easy DIY charger using center tap transformer which is good for charging lead acid battery. It can charge any 12V battery and even a car battery. Circuit is simple and […]
3 LEDs Battery Status Indicator Circuit
Battery status circuit is very useful in electronics systems. It helps keep battery healthy and working good in devices. 3 LEDs Battery Status Indicator Circuit is simple but works well and it shows battery voltage using three lights. Each LED shows different voltage. We can see if battery is low, normal or full just by […]