In this tutorial, we are making a simple transistor based solar battery charger with auto cut off function. When the battery gets fully charged the solar panel keeps running and this can result in battery … Read more
Battery Charger Circuits
Explore a wide range of efficient and reliable battery charger circuits designed to keep your devices powered up and ready to go. Whether you need to charge rechargeable batteries for your electronics, vehicles, or solar power systems, our collection offers versatile solutions to suit your needs. Discover circuit designs for various battery chemistries, including lithium-ion, lead-acid, and NiMH batteries, with features such as fast charging, trickle charging, and automatic cutoff for optimal battery performance and longevity. Our detailed guides, tutorials, and circuit diagrams provide step-by-step instructions, troubleshooting tips, and best practices for building and customizing battery charger circuits. Keep your devices charged and stay connected with our curated selection of high-quality battery charger circuit.
In this circuit, we are making a 555 Universal Automatic Battery Charger. Any type of rechargeable battery having voltages ranging from 6 to 24V can be charged with this circuit. The output current of this … Read more
555 Universal Automatic Battery Charger
This is a tutorial on one of the most useful DIY projects, a battery backup for multiple equipments. Battery backups are an essential part of various situations such as when equipment needs to be working … Read more
Battery Backup For Multiple Equipments
You never know when your phones or devices can run out of charging and you’re having an emergency. In these situations, an emergency charger always comes in handy. There are various power banks available in … Read more
Emergency Cell Phone / Mobile Charger
In this tutorial, we are making a project of a low-cost 8 LED battery monitor using LM324 IC. LM324 is an IC that contains four op-amps. Therefore we have used two ICs in this circuit … Read more
8 LED Battery Monitor Using LM324 IC
In this circuit, we are making a 555 low battery indicator for 6V batteries. As we all know rechargeable batteries are expensive and they have a tendency of getting deep discharged. Every time they get … Read more
Low Battery Indicator using 555 Timer
In this tutorial, we are making a Battery High Low Alarm For Multiple Batteries. Usually, with batteries, there is an issue of overcharging or deep discharging. An alarm circuit for the indication of battery level … Read more
Battery High Low Alarm For Multiple Batteries
In this tutorial, we are making a project of a 555 Low Battery Indicator For 12V Batteries. It is a very simple circuit of a low voltage indicator for 12V batteries using a 555 timer … Read more
555 Low Battery Indicator For 12V Batteries
In this tutorial, we are making a project of an Automatic Bicycle Dynamo Headlight and Battery charger circuit. This circuit is completely automatic. It turns the LED off during the daytime and connects the dynamo … Read more
Automatic Bicycle Dynamo Headlight & Battery Charger
In this tutorial, we are making an Automatic Sequence Solar Battery Charger circuit. This circuit will automatically shift the charging from one battery to another when the first one is fully charged. When the second … Read more
Automatic Sequence Solar Battery Charger
In this tutorial, we are making a good quality LM324 Battery monitor. You can make this circuit by using an LM3914 IC but that costs more than this IC, therefore we made an alternative circuit … Read more
Simple Battery Monitor using LM324 IC
In this tutorial, we are making an Early Car Battery failure circuit. It will give an early indication of the failure of your car battery by activating a buzzer for a few seconds. In this … Read more
Early Car Battery Failure Detector – 555 Timer
In this tutorial, we are going to make a very useful project of a Battery Full Charge Alarm circuit. This circuit indicates a buzzer sound when the battery is fully charged. It can be used … Read more
Battery Full Charge Alarm using LM358 IC
In this tutorial, we are discussing a DIY bicycle USB charger circuit. This will use the output power of a bicycle dynamo to produce a regulated 5V output to charge any electronic devices. A bicycle … Read more
DIY Bicycle Dynamo USB Charger
What is a Battery Bank? In layman’s terms, A battery bank is a group of batteries that are connected together in such a configuration that either allows you to boost output voltage or increase storage … Read more
How To Make A 12V Battery Bank At Home
In this project, we will show you a battery monitor circuit that can utilize to monitor the voltage of 12V lead-acid batteries. For example, vehicle batteries. Here is a simple Battery Monitor circuit for a … Read more