I installed 2 new batteries on the rv. Wires are installed correctly, but now my batteries are not charging properly. A few days after I installed the batteries, the transformer that powers the rv park we were in exploded and the park was with out power. Jacks, Slides don't want to work unless the RV is hooked to my truck for power. Looked for a reset button on my buss bar breakers, but don't see any there or anywhere else. Could have been a power surge or anybody know what else to check?