![]() Similar to the solar panel, the 1N914 Diode has two ends, one positive and one negative (the one with the black bar). The first thing we are going to do is to set up our solar panel by connecting it. Step By Step Instructions Step 1: Connect The Solar Panel To The 1N914 Diode In addition to the solar panel, DC converter, and AA batteries, we still need a few things to help us secure and connect the solar charger such as It’s important to mention that you should size your batteries according to your solar panel current output, as you can’t opt for a big solar panel that throws more than 10% of the battery’s capacity at one time.įor instance, if you have a 2W, 200ma solar panel, your battery should have a capacity of around 2000mah. This will help to protect the battery and prolong the lifespan of your solar charger unlike opting for higher capacity batteries that will lose most of their efficiency due to the memory loss effect. The reason we went for a relatively small battery size is to make sure that our solar panel will be able to fully recharge the battery. To store the electricity produced by the solar cell, so we can use it later, we need to build a storage system using rechargeable batteries.įor this project, a 2000mah battery is sufficient. It’s very easy to get your solar panel from the internet, just make sure it has the requirement you need for your project. For that, we can combine several smaller panels to fit. To make a solar phone charger, we will need a solar panel that is at least 3-4 volts to do the charging process efficiently.Ĭonsider also the size of the solar panel to fit into your container. What Parts & Tools Do I Need To Make A Solar Charger? A basic understanding of soldering is needed. This project also makes a great science project!ĭon’t worry, you don’t have to be tech-savvy to make a solar phone charger, in fact, it’s pretty easy and in this guide, we will go through it step by step. In this article, we are going to show you how to make a solar-powered charger easily and efficiently. ![]() Solar battery chargers use the free energy from the sun and convert it to usable electricity that can help to recharge our phone’s battery no matter where you are. Keeping our phones charged all the time can be pretty challenging, especially when we are out backpacking, hiking, camping, or even spending the day in the park.įortunately, there is a clean and easy way to keep our phones charged without the need for wall outlets. ![]()
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