• Skip to main content
  • Skip to primary sidebar

Homemade Circuit Projects

Need circuit help? Post them in the comments! I've answered over 50,000!

Blog | Categories | About | Hire Me | Contact | Calculators-online
You are here: Home / Archives for Battery

Battery

Designing a Customized Battery Charger Circuit

Last Updated on May 17, 2026 by Swagatam 164 Comments

LM338 basic adjustable power supply circuit diagram

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 […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charger, Customized, Designing

PWM Solar Battery Charger Circuit

Last Updated on May 17, 2026 by Swagatam 211 Comments

SMPSchargercircuit

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 […]

Filed Under: Battery Charger Circuits, Solar Controller Circuits Tagged With: Battery, Charger, PWM, Solar

High Current Li-Ion Battery Charger Circuit

Last Updated on May 17, 2026 by Swagatam 203 Comments

universalli ionchargercircuit

In this post I have explained a high current Li-Ion battery charger circuit which can be used for charging any high current, such as 2S3P, 3S2P battery packs. It can be also used for charging other similar high Ah rated Li-ion battery from a car or a truck battery. The idea was requested by Mr. […]

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

Battery Charging Fault Indicator Circuit

Last Updated on May 17, 2026 by Swagatam 130 Comments

li ionfaultindicator

In this article I have explained a battery status indicator circuit which can be also used as a battery charging fault indicator circuit. The idea was requested by Mr. Faizan. The Design The idea presented here takes care of all the parameters required for charging a battery ideally and safely. Referring to the shown battery […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charging, Fault, Indicator

3 Smart Li-Ion Battery Chargers using TP4056, IC LP2951, IC LM3622

Last Updated on May 17, 2026 by Swagatam 60 Comments

TPelectrical

These smart, intelligent battery charger will charge a Li-IOn battery rapidly by monitoring 3 crucial parameters, which are constant current, constant voltage and constant 25 degrees Celsius temperature. The post elaborately explains 3 Hi-End, automatic, advanced, single chip CC/CV or constant current, constant voltage 3.7V Li-Ion battery charger circuits, using specialized Hi-End IC TP4056, IC […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Chargers, LM3622, LP2951, Smart, TP4056

Regulated Car Battery Charger Circuit for Garage Mechanics

Last Updated on May 17, 2026 by Swagatam 91 Comments

car battery charger for garage mechanics

If you are an automotive technician, vehicle technician, or a motor mechanic, you may find this cheap yet powerful car battery charger circuit extremely handy, as it can be used for charging all types of car and motorcycle battery overnight with minimum effort. This charger is specially suited for garages since it has a rugged […]

Filed Under: Battery Charger Circuits Tagged With: Battery, Charger, Garage, Mechanics, Regulated

  • « Go to Previous Page
  • Page 1
  • Interim pages omitted …
  • Page 5
  • Page 6
  • Page 7
  • Page 8
  • Page 9
  • Interim pages omitted …
  • Page 17
  • Go to Next Page »

Primary Sidebar

My Youtube Channel



Circuit Simulator

circuit simulator image



Subscribe to get New Circuits in your Email



Categories

  • Arduino Projects (95)
  • Audio and Amplifier Projects (134)
  • Automation Projects (18)
  • Automobile Electronics (103)
  • Battery Charger Circuits (88)
  • Datasheets and Components (109)
  • Electronics Theory (149)
  • Energy from Magnets (27)
  • Games and Sports Projects (11)
  • Grid and 3-Phase (20)
  • Health related Projects (27)
  • Home Electrical Circuits (13)
  • Indicator Circuits (16)
  • Inverter Circuits (99)
  • Lamps and Lights (162)
  • Meters and Testers (72)
  • Mini Projects (28)
  • Motor Controller (69)
  • Oscillator Circuits (28)
  • Pets and Pests (15)
  • Power Supply Circuits (91)
  • Remote Control Circuits (50)
  • Renewable Energy (12)
  • Security and Alarm (65)
  • Sensors and Detectors (107)
  • SMPS and Converters (41)
  • Solar Controller Circuits (60)
  • Temperature Controllers (43)
  • Timer and Delay Relay (50)
  • Voltage Control and Protection (44)
  • Water Controller (37)
  • Wireless Circuits (31)



Other Links

  • Privacy Policy
  • Cookie Policy
  • Disclaimer
  • Copyright
  • Videos
  • Sitemap

People also Search

555 Circuits | 741 Circuits | LM324 Circuits | LM338 Circuits | 4017 Circuits | Ultrasonic Projects | SMPS Projects | Christmas Projects | MOSFETs | Radio Circuits | Laser Circuits | PIR Projects |



Recent Comments

  • Swagatam on 5 Simple DC Motor Speed Controller Circuits Explained
  • DANIEL NG'ANG'AH on 5 Simple DC Motor Speed Controller Circuits Explained
  • Swagatam on 5 Simple Siren Circuits you can Build at Home
  • Swagatam on LM567 IC Calculator Tool
  • Swagatam on About Me

Social Profiles

  • Twitter
  • YouTube
  • Instagram
  • Pinterest
  • My Facebook-Page
  • Stack Exchange
  • Linkedin

© 2026 · Swagatam Innovations