adding to coach battery capacity
Hello All I have a 1990 Warrior on the 1 ton Toy chassis. I do not have a working generator and even if the old Tecumseh I do have ran (died 8 months ago) I wouldn't want to use it as it's smoke bl...
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Don is right, don't mix batteries because your efficiency will be greatly diminished.
What I did with my rig might be of interest to you. My rig originally came equipped with a pair of 12V house batteries hooked up in parallel. After going thru two sets of 12V batteries, each set operated inefficiently after year #2, I replaced them with a pair of 6V batteries hooked up in series which operates so much better. I bought mine at Sam's club at an affordable price. Keep in mind that 6V batteries are bigger so your compartment needs to accommodate them.
The trouble with 12V batteries in parallel is that one battery always drains faster than the other which then their combined voltage gets quickly diminished. Then the charger tends to over-charge the good one trying to wake up the weak one. That is why acid boil-overs are common with pairs of 12V batteries. The problem perpetuates when the weak battery won't take a full charge. Then everything goes into self-destruct mode with the charger constantly trying to charge up what can't be done.
Two 6V batteries in series is wired like everything else that works on battery power, from flashlights to most every hand-held electronic device. Batteries in series drain in unison which utilizes their stored power much better. And in the case with 6V lead acid batteries in series, you get a much better recovery charge because they charge in unison.
What I did with my rig might be of interest to you. My rig originally came equipped with a pair of 12V house batteries hooked up in parallel. After going thru two sets of 12V batteries, each set operated inefficiently after year #2, I replaced them with a pair of 6V batteries hooked up in series which operates so much better. I bought mine at Sam's club at an affordable price. Keep in mind that 6V batteries are bigger so your compartment needs to accommodate them.
The trouble with 12V batteries in parallel is that one battery always drains faster than the other which then their combined voltage gets quickly diminished. Then the charger tends to over-charge the good one trying to wake up the weak one. That is why acid boil-overs are common with pairs of 12V batteries. The problem perpetuates when the weak battery won't take a full charge. Then everything goes into self-destruct mode with the charger constantly trying to charge up what can't be done.
Two 6V batteries in series is wired like everything else that works on battery power, from flashlights to most every hand-held electronic device. Batteries in series drain in unison which utilizes their stored power much better. And in the case with 6V lead acid batteries in series, you get a much better recovery charge because they charge in unison.
