12V Voltage Regulated Charger

Most of the battery chargers do not have current and voltage regulation provisions. The step down voltage is simply used for charging. These chargers devel.....

Automatic Battery Charger Circuit

Here is a 12 volt lead acid automatic battery charger that shut off the charging process once the battery attains full charge. This prevents overcharging o.....

NiMH Battery Charger Circuit

A simple battery charger for the Nickel Metal Hydride battery that requires current regulated charging. The charger provides 140 mA current for quick charging o...

NiCd Battery Charger Circuit

This NiCd baterry charger circuit schematic can charge 6 volts as well as 12 volts NiCad batteries. It uses a transformer which can deliver 4 to 5 A curren.....

Tricky 12V Battery Charger Circuit

Here is a crude but efficient tricky charger for Lead Acid Battery. It uses a 12 volt car bulb as current regulator and charge status indicator. The bright.....

Solar Inverter Battery Charger

Here is an energy saving solar inverter battery charger. It harvests solar energy to replenish 12 volt inverter battery. It has auto cut off facility to st.....

Cellphone Charger Using Bike Battery

This is the simple and easy way to tap current from a Motor Bike battery to charge the Mobile Phone. Most of the Mobile Phone battery pack has three 1. 2 volt c...

USB Cellphone Charger circuit

You can charge your Mobile Phone from the USB outlet of PC. This simple usb cellphone charger circuit can give regulated 4. 7 volts for charging the mobile phon...

Battery Monitor Circuit

Here is a simple Battery Monitor circuit for a quick check of 12 volt Lead-Acid Battery. Battery charge should be constantly monitored to increase the life.....

Solar Based Multipurpose Charger Circuit

An ideal solution to harvest Solar energy for charging purpose. This charger can replenish almost all types of batteries including Mobile phone battery. It uses...

Solar Charger Monitor Circuit

This add on circuit can be attached to the solar charger to see whether the battery is charging or not. It lights a Red LED to indicate that the battery is.....

Solar Charger Circuit for 6V 4.5Ah Battery

Here is a solar charger circuit that is used to charge Lead Acid or Ni-Cd batteries using the solar energy power. The circuit harvests solar energy to char.....

Mobile Phone Travel Charger

Here is an ideal mobile charger using 1.5 volt pen cells to charge mobile phone while traveling. It can replenish cell phone battery three or four times in.....

Lead and Acid Battery Charger Circuit

Modern acid batteries and lead plates, are embodiment of simplicity in use. Unlike NiCd batteries, they must be recharged by connecting to a constant volta.....

Lead-Acid Battery Charger Circuit

This circuit delivers an initial voltage of 2.5V per cell to rapidly charge a car battery. The charging current decreases as the battery charges and when t.....

Portable NiCd Battery Charger Circuit

The portable batteries charger has been designed to provide an opportunity to load NiCd batteries even in the outdoors from a 12 V battery of a vehicle. Wh.....

Lead-Acid Battery Charger Monitor

As per manufacturer s data sheets, a 12V rechargeable lead-acid battery should be operated within 10.1V and 13.8V. When the battery charges higher than 13 ...

Car battery charger Automative car and motorcycle schematics

The circuit was meant to be powered by a power supply, which is why there is no transformer, rectifier, or filter capacitors on the schematic. There is no reaso...

Automotive Battery Charger Project

This automotive battery charger project is designed to charge 12V electrolyte lead acid batteries. .....

Ni-MH Ni-Cd Adjustable Constant Current Charger

Ni-Cd Ni-MH Adjustable Constant Current Battery Charger Circuit This is a Adjustable Constant Current Ni-MH or Ni-Cd battery charger circuit. It.....