The battery we use is of capacity 1.3 AH. In the case if the battery needs more current than 1.5 A then it’s not a good option to use LM317 IC. The voltage regulator LM317 IC can provide the maximum output of 1.5 V. The battery we use needs a charging current of 0.2 A which is less than the output of the solar panel (i.e. Most of the batteries do specify the minimum voltage to charge, you need to configure the voltage of the regulator IC up to that voltage. In order to charge the 12V battery, you must set the voltage of the LM317 IC up to 14.5 V. Charging 12V Battery Solar Battery Charger The Schottky diode of current rating up to 3A can do pretty well. The Schottky diode plays a very vital role in the Solar Battery Charger as there would be a negative current flow to the solar panel when the battery is not being charged. You can refer to the LM317 Datasheet if you need to know how the regulated voltage is controlled. Therefore, we manage to supply the input and set the output voltage in order to obtain the output which would be greater than the rating of the lead acid battery which we are using (i.e. The LM317T Voltage Regulator IC does have a significant voltage drop of 2V to 2.5V. We use the LM317T voltage regulator IC instead of the traditional 78XX voltage regulator family since the output voltage of the LM317T IC can be easily set to the desired voltage from 1.25 V to 37 V with the maximum current of 1.5 A. The solar panel which is being used as the output voltage and current near about 17 V and 0.3 A respectively.
solar battery charger circuit Working on solar battery charger circuit The solar battery charger circuit which we are making is made up of electronic components which are easily available on market as well as online.īelow are the components which you will need to complete the solar battery charger circuit.Īdditionally, you can use the 5 V boost converter along with the battery we charge in order to charge our devices like a mobile phone from the circuit or the charged battery. Solar Battery Charger will take the dc input from the solar panel and will regulate the voltage in order to charge the battery from it. If you still want to make the Solar Battery Charger circuit then below is the block diagram that shows what are you going to accomplish.įrom the Above block diagram, you can very easily get an idea that how your circuit is going to work. 🙂 Making the Solar Battery Charger Circuit by yourself If you’re here looking to buy a Solar Battery Charger instead of making it by yourself you can still choose one from the list. Today we are here to discuss the way that how you can make such a Solar Battery Charger Circuit and a setup that you can carry in your pocket. In the modern days, the method to generate electricity which is also known as nonrenewable energy has caused great harm including the depletion of the ozone layer which had prevented us from the harmful UV rays from the sun.Ī huge setup of Solar Battery Chargers had been proven to be a great revolution in today’s energy crisis but it’s not just limited to that, now you can have the Solar Battery Charger in your pocket and can use it when you need an emergency. Today everyone knows what solar panel does and how it has been useful to date. The concept of solar panels was introduced by Alexandre Edmond Becquerel in 1839.
#Solar power booster circuit free#
Solar energy is one of the best renewable energy or free energy which you can harvest anywhere at any time (except it must be the daytime 🙂 ) Solar Battery Charger is very much preferred by everyone no matter what kind of place you live in since just by using a Solar Battery Charger Circuit you can collect the electrical energy and reuse it again in applications such as charging your mobile phone, tablets, etc.
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