How long do we want batteries to last ?
IMO, and IME, nothing is simpler to maintain than LA RV batteries. When connected to a decent charger, and watered once...maybe twice a year, and maybe hosed off once in a while, they last an easy 8-1...
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Our original T-105's went 10 years, overcharged by the original WFCO converter and running low on electrolyte a number of times. I just replaced the batts with somewhat cheaper US batteries and installed a new PD 9245 converter/charger with boost, float, and desulphate modes. I'll try to check electrolyte levels more often. I'm pushing 75 now, hopefully I'll outlast the new batteries.
