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Battery

Build this Mosquito Bat without Battery

Last Updated on January 2, 2024 by Swagatam 57 Comments

bat

This simple homemade mosquito swatter bat neither requires a circuit nor a battery for the operation. The entire design works using a single high voltage capacitor and through quick charging from mains AC socket. (Designed by me) Introduction In a few of my earlier posts I have discussed how to make mosquito zappers using the […]

Filed Under: Pets and Pests Tagged With: Battery, Build, Mosquito, without

Emergency Incubator Heater Circuit with Battery Charger

Last Updated on January 1, 2024 by Swagatam 1 Comment

incubator2Bheater

In this post I have explained a 12V power supply with battery charger circuit which can be implemented as an uninterruptible emergency heating system for incubator chambers. The idea was requested by Mr. Arya. Technical Specifications I’ve read all your good article, but can you help me to design an Linear PSU that provide 12 […]

Filed Under: Temperature Controllers Tagged With: Battery, Charger, Emergency, Heater, Incubator

Solar Battery Charger using LM339 Comparator

Last Updated on December 4, 2023 by Swagatam 13 Comments

LM339 solar battery charger circuit

This small LM339 based solar battery charger setup is designed to optimize the charging of your battery using any solar panel while protecting it from accidental overloads. Considering the extended battery life it allows you to achieve, it is an investment that quickly pays for itself. Circuit Description Our setup is nothing more than a […]

Filed Under: Solar Controller Circuits Tagged With: Battery, Charger, Comparator, LM339, Solar

Solar, Wind, Hybrid Battery Charger Circuits

Last Updated on October 20, 2023 by Swagatam 225 Comments

two2Binput2Bsolar2Bwind2Bcharger2Bcircuit

In this article I have explained a dual input hybrid solar and wind battery charger circuit using cheap and ordinary components. The idea was requested by one of the interested members of this blog. Technical Specifications Good after noon sir am designing a ” Solar and Wind energy harvest regulator circuit” which has two inputs […]

Filed Under: Solar Controller Circuits Tagged With: Battery, Charger, Circuits, Hybrid, Solar, Wind

Solar Charge Controller for 100 Ah Battery

Last Updated on December 15, 2021 by Swagatam 32 Comments

100 Ah solar regulator

This comprehensive solar charge controller is designed to effectively charge a big 12 V 100 Ah battery with utmost efficiency. The solar charger is practically foolproof in terms of battery over charge, load short circuit, or over current conditions. By Vismit Singh The key elements of this 100 Ah solar regulator circuit are, obviously the […]

Filed Under: Solar Controller Circuits Tagged With: 100, Battery, Charge, Controller, Solar

500 Watt Inverter Circuit with Battery Charger

Last Updated on August 3, 2020 by Swagatam 391 Comments

500 watt

In this post we will comprehensively discuss how to build a 500 watt inverter circuit with an integrated automatic battery charger stage. Further in the article we will also learn how to upgrade the system for higher loads and how to enhance ot into a pure sine wave version. This 500 watt power inverter will […]

Filed Under: Inverter Circuits Tagged With: 500, Battery, Charger, Inverter, Watt

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