Good trickle charger or not?
First, I have never used a battery maintainer or trickle charger on my TT or boat. I usually keep the TT at the house and just plug it in every few weeks ( 2014 Apex so should have a decent conver...
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On another note - the phone company central offices have generator and battery backup. The batteries are flooded lead acid cells, typically 2500AH for a 2V cell. They're under a constant charge by the rectifiers.
