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Multiple Battery Charger Circuit using Dump Capacitor

In this article we will try to build an automatic battery charger circuit using dump capacitor concept for self detecting and charging a multiple set of batteries. The idea was requested by Mr. Michael. Circuit Objectives and Requirements My name is Michael and live in Belgium. I found your site thru google during my search … Read moreMultiple Battery Charger Circuit using Dump Capacitor

Arduino Battery Level Indicator Circuit

In this post, we are going to construct an Arduino based  battery level indicator, where a series of 6 LEDs show the level of the battery. If you are interested in monitoring and maintenance of your 12V battery, this circuit might become handy. By: Arduino Guru Why Battery Level Monitoring is Crucial All batteries have … Read moreArduino Battery Level Indicator Circuit

18V Cordless Drill Battery Charger Circuit

In this post we learn how to build and use a 18V battery charger circuit for a cordless drill machine. The idea was requested by Mr. Chibuzo. Technical Specifications Here is the issue. I don’t have any cordless drill battery charger at all. But I have variable voltage car battery charger. I did try to … Read more18V Cordless Drill Battery Charger Circuit

How to Set IC 741 for Auto Cut-oFF

The post explains how to set or adjust an opamp 741 IC based battery charger circuit for implementing an automatic cut-off for the connected battery once it reaches the full-charge level. Since I have many such IC 741 battery charger circuits posted here, the instructions will be helpful for correctly setting up most of those … Read moreHow to Set IC 741 for Auto Cut-oFF

Designing a Customized Battery Charger Circuit

I have designed and published a variety of battery charger circuits in this website, however the readers often get confused while selecting the right battery charger circuit for their individual applications. And I have to explicitly explain each of the readers regarding how to customize the given battery charger circuit for their specific needs. This … Read moreDesigning a Customized Battery Charger Circuit

PWM Solar Battery Charger Circuit

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 … Read morePWM Solar Battery Charger Circuit

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