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[PSUBS-MAILIST] batteries
I thought I asked about this a while ago. I either forgot to ask and only thought I did, or my question was missed, or I missed the response.
Somebody reiterated that lead-acid batteries were preferable for our applications. Why is this, again? If I had access to 10 big NiCd cells which were just sitting around in somebody's garage -- why wouldn't I want to use them?
Also...
What are you people (using/planning to use when it becomes relevant) for chargers? It seems to me that even the bigger auto battery chargers A) aren't going to be big enough, put out enough amps, to work for big banks of batteries -- and B) all seem to never fully charge lead-acid batteries. They wimp out at 13-some volts and you can charge for days and days and never get all the way up.
The only industrial-grade battery chargers I've looked at were pretty spendy in their own right, so don't forget to figure that in. The electricity in my house is solar, most of the time -- so we run everything from a set of 4 of those Trojan 220ah golf cart batteries. Our 2000W 12-->120V inverter incorporates a pretty robust charger, so we can charge from the generator when there's no sun. With that, I routinely hit them with 50 amps.
--
David
Osage MN USA
buchner@wcta.net - http://customer.wcta.net/buchner