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Charger

Convert SMPS into a Solar Charger

Last Updated on September 27, 2025 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

Dual Battery Charger Circuit with Isolator

Last Updated on July 13, 2025 by Swagatam 96 Comments

battery1battery2changeovercircuit

In this post I have explained an innovative automatic dual battery charger with isolator circuit for alternators and engines, which allows monitoring of the charge levels of two individual batteries, and switching them across the loads appropriately. [New Entry] Single Op amp Dual Battery Charger Circuit The circuit working for the above single op amp […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charger, Dual, Isolator

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

Last Updated on July 10, 2025 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 Efficiency Solar Charger Circuits using Switching Regulators

Last Updated on July 5, 2025 by Swagatam 7 Comments

solar battery charger using 7805 switching regulator

Solar power or electricity from sun light is so abundant that we can afford to waste it or dissipate it in the form heat. This means that we can use large, high power solar panels to charge batteries with lower power without bothering about how much solar energy is being wasted and how much the […]

Filed Under: SMPS and Converters, Solar Controller Circuits Tagged With: Charger, Circuits, Efficiency, High, Solar, Switching

12V, 5 Amp SMPS Battery Charger Circuit

Last Updated on July 5, 2025 by Swagatam 500 Comments

12v2B52Bamp2Btransformerless2Bbattery2Bcharger2Bcircuit

In this article we study a simple flyback based converter design which is implemented as an SMPS 12V, 5amp battery charger power supply, without using a iron core transformer. How it Works The proposed 12V, 5 amp smps battery charger circuit employs a flyback converter topology which results in the required smps based high current, […]

Filed Under: Battery Charger Circuits, SMPS and Converters Tagged With: 12V, Battery, Charger, SMPS

220V SMPS Cell Phone Charger Circuit

Last Updated on July 5, 2025 by Swagatam 221 Comments

cell phone charger circuit

In this post I have explained how to make a simple, cheap yet extremely reliable smps based 220V/120V mains operated cell phone charger circuit. Why TNYxxx Tiny Switch is Used The TNY series of tiny switch ICs provide us with an option of making perhaps the smallest possible smps circuits with high reliability. The tiny […]

Filed Under: SMPS and Converters Tagged With: 220V, Cell, Charger, Phone, SMPS

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