I thought the output voltage was adjustable. Turns out it is only for the isolated model. Output is 12.2 Volt. Can't charge a battery with that, so I had to buy a boost module to take the potential up to 14.6 V
Didn't wait long for package to arrive at my house and product is good quality and easy to assemble, I'm very happy with this product and will gladly buy from this store online again.