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Battery Charger Circuits

IC 555 Solar Charger Controller Circuit

Last updated on 6 June 2026 by Admin-Lavi Leave a Comment

We can make small IC 555 Solar Charger Controller Circuit, as this circuit checks battery voltage from solar panel and when battery is full then the circuit stop power from panel. Thus, this stop battery from overcharge and damage. Circuit Working: Parts List: Components Values Quantity Resistors R1 330Ω set to 14.9V 1/4 watt, R2 […]

Filed Under: 555 Timer Projects, Battery Charger Circuits, DIY Projects, Solar Circuits

How to Charge a 12V Battery from a 12V Supply

Last updated on 5 June 2026 by Admin-Lavi Leave a Comment

To begin with, in this post for How to Charge a 12V Battery from a 12V Supply, this circuit uses 12V power and work like battery charger. Furthermore, it make voltage go higher than 12V to push current into battery and it also uses special parts and control transistors good so there is no overheat. […]

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

Simple Solar Garden Light Circuit using One Transistor

Last updated on 4 June 2026 by Admin-Lavi 2 Comments

Simple Solar Garden Light Circuit using One Transistor, uses one special switch and a sun power to turn on LED at night. Also, when sun goes down the light turns ON by itself and when sun come back the light turns OFF, like a magic! Circuit Working: Parts List: Components Values Quantity Resistors 1k, 47Ω, […]

Filed Under: Battery Charger Circuits, DIY Projects, LED and Lamps, Solar Circuits, Transistor Circuits

Simple DC High Low Voltage Cut Off Circuit

Last updated on 2 June 2026 by Admin-Lavi Leave a Comment

If our device need right DC power to work safe then this Simple DC High Low Voltage Cut Off Circuit work like a guard. Also, if battery is too low then circuit stop power to save our device and if battery is too high then also circuit stops power to protect. Hence, this circuit keep […]

Filed Under: Battery Charger Circuits, DIY Projects, Power Supply Circuits, Security and Protection, Transistor Circuits

Gel Cell Battery Charger Circuit

Last updated on 2 June 2026 by Admin-Lavi Leave a Comment

Normal car battery has liquid inside and Gel Cell Battery Charger Circuit uses jelly but not liquid. Jelly make battery strong and work in any position and to charge gel battery we need special charger, as this charger gives right power but not too much. Too much power can hurt battery and special charger keep […]

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

Simple Circuit to keep a Battery Topped Up

Last updated on 2 June 2026 by Admin-Lavi Leave a Comment

Think of a battery like water tank for our device. This Simple Circuit to keep a Battery Topped Up is like a helper, which checks battery level and gives charge when battery gets low. Also, battery stays full and is ready always which is good for backup power, solar lights and for wireless toys. Circuit […]

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

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