So my electric fence charger has been sitting for years since my goats started flipping me the bird as they jumped the fence I moved around. Battery was dead and scrapped it a few years ago and tripped over the remains forever. I put it in the back of the Jeep to scrap and that very night read an ad about a small solar charger for cell phones and batteries. Bingo, I already had it and did not think of it. Added a old motorcycle battery and connected to a car charger for the cell that I cut off the male end and there it is. Now I wish I had connected it to a female lighter socket so I could charge other things like batteries or other phones than the mini USB connection. Coming soon.