Homemade Solar Panel Battery Charger

Before delving into the following concepts you can probably try this super easy solar battery charger which will ensure safe and guaranteed charging of a small 12v 7 ah battery through a small solar panel.

Homemade solar panel battery charger. Make sure that your usb port is not sticking out from the panel or touching any leads. Solar panel 20v 1 amp. 1n4007 diodes 3nos. Below are the links to the prod.

That looks cool isn t it. As a beginner s solar project i have designed a very simple solar battery charger to charge 18650 li ion batteries. 2k2 1 4 watt resistor 1no. How the tp4056 work.

In this video i show you how to connect a 10 watt 12 volt solar panel to a solar charge controller then to a 12 volt battery. Ic 7812 1no. Twist the black wire on the battery holder to the black wire on the solar panel so the wires run. Looking at this board we can see that it has the tp4056 chip along with few other.

Using your soldering iron solder the charge circuit to the solar panel. These boards gets. From the batteries you can run any mains appliances using appropriate inverters. Diy solar battery charger step 1.

Solder the diode to the red wire on the solar panel with the negative side of the diode marked black. The usb charging circuit converts dc power.