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Battery Charger Circuits

Solar LED Lantern Circuit

Last updated on 1 June 2026 by Admin-Lavi Leave a Comment

Solar LED Lantern Circuit is small design using sun power to give light with LED, as it have solar panel through which the battery charges again to LED lights and some small parts like diode, resistor and transistor. Circuit Working: Parts List: Components Values Quantity Resistors 15Ω 1/2W 1 1.5Ω 1/2W 1 1k 1/4W 2 […]

Filed Under: Battery Charger Circuits, Hobby Circuits, LED and Lamps, Solar Circuits

Simple Backup Light Circuit

Last updated on 31 May 2026 by Admin-Lavi Leave a Comment

Think our lights are as a safety friend, this Simple Backup Light Circuit is like a good helper for our lamps, as it have two or more lights and smart system. If one light stop working the other light turn ON by itself and there is no need to stay in dark, it is very […]

Filed Under: Battery Charger Circuits, Hobby Circuits, LED and Lamps

Simple Cell Phone Charger Circuit using 1.5V Battery

Last updated on 30 May 2026 by Admin-Lavi Leave a Comment

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 […]

Filed Under: Battery Charger Circuits, Hobby Circuits, Mini Projects, Power Supply Circuits

NiMH Battery Charger Circuit

Last updated on 29 May 2026 by Admin-Lavi Leave a Comment

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 […]

Filed Under: Battery Charger Circuits, DIY Projects, Power Supply Circuits

Simple 2 LED Battery Status Indicator Circuit

Last updated on 27 May 2026 by Admin-Lavi Leave a Comment

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 […]

Filed Under: Battery Charger Circuits, Indicator Circuits, LED and Lamps, Mini Projects, Power Supply Circuits, Security and Protection

Fast Charger Circuit with Auto Cut Off

Last updated on 27 May 2026 by Admin-Lavi Leave a Comment

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 […]

Filed Under: Automobile Circuits, Battery Charger Circuits, DIY Projects, Power Supply Circuits

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