Hi all,
I have 270 watts of solar panels and will be expanding in the future (probably in increments of 45watts).
My batteries are due for replacement. I was using 4 old US2200 6v batteries (I got them for free). They did well, but now wont hold a charge for long.
I'm trying to decide what to replace them with, here are the best options I've found so far (each of these are 225amp hours):
- x - Trojan T105's 6v golf batteries = $125 each ($250 for two)
- x - US2200 6v golf batteries = $99 each ($200 for two)
- x - energizer 6v golf batteries $67 each ($268 for four)
If I bought the Trojan's or US2200's, I'd only get two of them. The energizer's look very similar to the US2200's but are much cheaper. I'd be able to get 4 of them.
I'm leaning toward the 4x cheap $67 golf cart batteries because I'd use a smaller percentage of the overall capacity (which should help more with battery life). Then again, the Trojan's are better batteries so I'm not sure what the better choice would be. Any thoughts?