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Newly Updated Circuit Projects:

High Voltage Battery Charger Circuit

Last Updated on May 17, 2026 by Swagatam 62 Comments

high voltage battery charger circuit compressed

In this post I have explained a simple automatic High Voltage Battery Charger Circuit which can be used for an automatic charging control of any preferred high voltage battery bank such as a 360V battery bank. The idea was requested by “resonance”. Circuit Objectives and Requirements I found all your circuit and projects interesting but […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charger, High, Voltage

High Current Wireless Battery Charger Circuit

Last Updated on May 17, 2026 by Swagatam 59 Comments

wireless

In this article I have explained regarding how to design and make your own customized high current wireless battery charger circuit using wireless power transfer concept. Introduction In many of my earlier articles I have comprehensively discussed wireless power transfer, in this article we will go a step ahead and try to learn how to […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charger, Current, High, Wireless

Battery Charger Circuit using Fixed Resistors

Last Updated on May 17, 2026 by Swagatam 30 Comments

hystresist

This universal automatic battery charger circuit is extremely versatile with its functioning and can be adapted for all types of battery charging and even for solar charge controller application. Universal Battery Charger Main Features A universal battery charger circuit must have the following main features included in it: 1) Automatic battery full charge cut-off, and […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charger, Fixed, Resistors

Arduino based Battery Over Discharge Protection Circuit

Last Updated on May 17, 2026 by Swagatam 37 Comments

over2Bdischarge2Bprotection

In this post, I will show how to construct a over discharge protection circuit for 12v battery using Arduino   which can protect 12V SLA battery against over discharge, and also protect the connected load from over voltage in case of overcharged battery is connected. Understanding Battery Charge/Discharge Rates All the batteries have natural decline, […]

Filed Under: Battery Charger Circuits Tagged With: Arduino, Based, Battery, Discharge, Over, Protection

Use this Battery for 50 Years without Charging

Last Updated on May 17, 2026 by Swagatam 4 Comments

betavolt battery

A novel battery technology, developed by Beijing-based firm Betavolt, has been introduced. It boasts an astounding 50-year lifespan without the need for maintenance or charging. With 63 radioactive isotopes contained in a module the size of a penny, this ground-breaking nuclear battery is a leader in the field of atomic energy miniaturization. https://twitter.com/Byron_Wan/status/1746801325722239367/photo/1 Advancements in […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charging, without, Years

Types of Batteries Explained [NiCd, NiMH, Lead Acid, Li-Ion]

Last Updated on May 17, 2026 by Swagatam Leave a Comment

NiCd battery compressed

In this post I have explained the main types of batteries that are widely used in today’s world for almost all important applications, ranging from cars, automobiles mobile phones, airplanes, industries, satellites to name a few. The Nickel Cadmium (NiCd) Battery Fundamentally, the NiCd battery adopts fast charging as opposed to slow charging and employs […]

Filed Under: Battery Charger Circuits Tagged With: Batteries, Explained, Lead, NiCd, NiMH, Types

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