Prototype Solar Panel Charger: possibly. I found this item a an estate sale, other items had Grumman Aerospace identification on them.Item has tag w/ identification number. This looks like prototype of a solar panel charger. A low voltage type charger. The fuse seems to be blown.
I do not clean /repair or restore vintage electrical items. Thanks for stopping by peace. If anyone has any info or questions please let me know. The item "Prototype Solar Panel Charger Estate Sale #0438179 ID Solar Panel Green Energy" is in sale since Monday, April 8, 2019.This item is in the category "Business & Industrial\Fuel & Energy\Alternative Fuel & Energy\Solar Power". The seller is "drake_302" and is located in Zephyrhills, Florida. This item can be shipped worldwide.