charge controller Archive

Stop EMI / RFI Interference in Off Grid Solar PV Systems

Being a Ham radio operator, I am quite aware of EMI and RFI radiation interfering with my radios. Recently I added an Off Grid Solar PV system to my ham radio station. Using solar panels is great

DIY Solar Gel Cell Battery Charger using a LM317

Recently I needed to use a solar panel to charge a 12 volt Gel Cell Battery. So I went on Amazon and bought a solar charge controller similar to this one. However there was a problem, this particular charge