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PWM Solar Battery Charger Circuit

Last Updated on May 17, 2026 by Swagatam 211 Comments

SMPSchargercircuit

This simple, enhanced, 5V zero drop PWM solar battery charger circuit can be used in conjunction with any solar panel for charging cellphones or cell phone batteries in multiple numbers quickly, basically the circuit is capable of charging any battery whether Li-ion or Lead acid which may be within the 5V range. Using TL494 for […]

Filed Under: Battery Charger Circuits, Solar Controller Circuits Tagged With: Battery, Charger, PWM, Solar

Smart Buck-Boost MPPT Solar Charger Circuit for 12V 24V Battery

Last Updated on May 17, 2026 by Swagatam 2 Comments

In this post we are going to learn how we can make one real working smart solar battery charger circuit which can do MPPT charging. We are using Arduino Nano as the brain for controlling everything. We will also use INA219 sensor module so that we can read the solar voltage and current properly. And […]

Filed Under: Battery Charger Circuits, Solar Controller Circuits Tagged With: Boost, Buck, Charger, MPPT, Smart, Solar

High Current Solar Battery Charger Circuit – 25 Amps

Last Updated on May 17, 2026 by Swagatam 45 Comments

30ampcharger

This circuit is capable of providing as high as 25 Amps of current at any specified voltage between 1.25 V to  30V as per the adjustment of the given pot. The current is constant irrespective of the voltage settings. The circuit can be used for charging batteries in range of 50 to 200 AH. How […]

Filed Under: Battery Charger Circuits Tagged With: Amps, Battery, Charger, Current, High, Solar

Convert SMPS into a Solar Charger

Last Updated on May 17, 2026 by Swagatam 51 Comments

chargingbatteryfromsmpssolarchargercircuit.

In this post I have explained how to convert smps into a solar charger circuit. The method will result in an extremely efficient and fast solar charging of the connected battery. SMPS Solar Chargers SMPSs have become very common nowadays and we find them being used in the form of AC to DC adapters wherever […]

Filed Under: Battery Charger Circuits, Solar Controller Circuits Tagged With: Charger, Convert, SMPS, Solar

Self Optimizing Solar Battery Charger Circuit

Last Updated on May 17, 2026 by Swagatam 261 Comments

solarmpptchargercircuit

In this post I have explained a simple IC 555 based self optimizing solar battery charger circuit with buck converter circuit that automatically sets and adjusts the charging voltage in response to the fading sunlight conditions, and tries to maintain an optimal charging power for the battery, regardless of the sun ray intensities. Using a […]

Filed Under: Battery Charger Circuits, Solar Controller Circuits Tagged With: Battery, Charger, Optimizing, Self, Solar

Solar E Rickshaw Circuit

Last Updated on May 16, 2026 by Swagatam 15 Comments

Electric Rickshaw

In this post I have explained a simple solar electric rickshaw or E rickshaw circuit which can easily built by anybody at home and used with a locally fabricated vehicle. The idea was requested by Mr. Amit. The Design Selecting a BLDC In one of my earlier posts I presented an idea which could be […]

Filed Under: Automobile Electronics, Solar Controller Circuits Tagged With: Rickshaw, Solar

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