Thanks - oh yeah, I get good use out of the black & decker 20 volt battery system :) i have 2 of those 4 amp batteries, 4 of the 2.5 amp, and 1 of the 1.5 amp batteries - the fast charger too that charges up the 4 amp in an hour or so. Perfect for charging them all up during the day when the sun's blazing on the solar panels. I have 3 of the 20 volt work lights, have them all turned on - on the patio at night, or in the cabin when we turn off the main lights. Lots of the tools too .. sawzall, drills, circular saw, chain saw, weed wacker, air pump compressor for car and bike tires, and matrix drill with the sander, router, jigsaw, osillator, and impact drill attachments - ready to build :D I have entertained the idea of getting the 20 volt leaf blower just for jump starting the campfire