trickle charger

Hi all! I came across a solar trickle charger on Harbor Freight for $13. I don't think it's strong enough but it gave me the idea that maybe a bigger one would work to keep the battery charged up when we dry camp. We only use the lights for the most part. What do you think? Does anybody...

I have a 1960 era Hi-Lo and just replaced the battery. I plugged the camper into a 110 volt service using the camper's connector. I then plugged a trickle charger into the 110 volt recepticle and attached it to the battery. It has occurred to me that the camper may have a battery charge built...