Here is the simple and low cost NiCd and NiMH battery charger circuit which can be used for various battery type and size. This battery charger use a regulator IC of LM317. Schematic diagram: The charge […]
Category: Battery Charger
Adjustable Regulated Battery Charger
This battery charger circuit is regulated and adjustable to make this circuit able to charge the mosto NiCAD battery. This adjustable regulated battery charger circuit will work for single cell or multi battery cell which connected […]
6V / 9V / 12V Battery Charger with Constant-Current Charging
This is the circuit diagram of battery charger which has many important features such as current-constant charging, overcharge protection, short-circuit protection, deep discharge protection and more. The constant-current charging is a popular method for lead-acid and […]
12V 4A Solar Photovoltaic Battery Charger
This is the circuit diagram of 12 Volts, 4 Amperes Solar Photovoltaic (PV) battery charger which will be suit to charge a 12V battery or accumulator. The circuit handles up to 4 amps of current from […]
Simple Mobile Phone Battery Charger
The following diagram is a simple mobile phone battery charger circuit. The design is simple, easy to build and inexpensive. It use LM78xx regulator to make regulated and stable output voltage. Mobile phone chargers offered in […]
Automatic Switching-on Emergency Light
Automatic Switching-on Emergency Light The schematic diagram shown right here is the automatic switching-on emergency light circuit which is controlled using IC. The most important capabilities of this circuit are: automatic switching-on of the light on […]
Solar Powered Mobile Phone Battery Charger
This is the schematic diagram of solar powered mobile phone battery charger. The circuit is designed to charge the battery from a source with a lower voltage. Do not use it to charge the battery with […]
12V Car Battery Charger
Here is a simple and easy to build circuit diagram of a 12V car battery charger: Components List: R1 = 1Kohms D1 = 1N4001 T1 = 220V/17V 4A Transformer R2 = 1.2Kohms D2 = 6.8V 0.5W […]