DIY solar cells kit to make an 18 volt panel, connect 36 cells in series (36 cells times 0.5 volt each = 18 volts). 36 * 1.75 watt = 63 watts. The amps you will be getting is 63 watts divided by 18 volts = 3.5 amps. Included in the kit: 36 cells, 40 feet tabing wire, 5 feet of bus wires, flux pen, diode, eva sheet. Fun project to get a strong panel, make it as light and modular as you want to for your camper, RV.