"I got the first bank of four wired up last night and everything seems to be going great." ...

Plug-in solar has long been popular in Europe, but rising energy costs and a raft of new state laws are boosting its popularity in the U.S.

Peak wattage is not the same thing as total daily electricity use.

CR's experts pick the best portable solar panels and battery chargers to power devices like phones and laptops, plus back-up batteries and power stations.