I’ve not been around here since retiring from carpentry/cabinetry a few years back but stay busy doing my own stuff. I have not kept up to date on anything and would like a recommend for a small pv battery charging set up. Something that would charge 18v 6 ah batteries via the factory 120v charger [Makita]. Blazing speed not required and my  inclination is to put together the panel[s] with a suitable inverter. My thanks in advance for specific advice.