Trojan t-1275 vs Signature series J150 RE
Before winter, I need to get a dedicated flooded house battery, my Northstar AGM-27 has been working hard as both house and engine battery for the last 4 months, and I want to return it to engine star...
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There were days with my system I simply shut down all loads. I loaded the Dometic FC140 freezer with reefer food, turned the temp up and let the panels have at the batteries. A small reading light at night.
1.300 bothers me. It's flat out too acidic for temperatures above 32F when 5.0% antimony is involved, unless the newer generation industrial batteries are now constructed with hybrid technology. Adding 2% calcium to the negative plates changes the profile on a battery like this and I mean utterly.
Squirm and squeal the OEMs may, there is no way an increase from 1.275 to 1.300 is NOT going to accelerate corrosive loss of the positive plate material. I'm not talking about subtlety here. This is major league stuff. Reducing positive antimony from 5% to say 3% impacts cycle life.
Curious. Are these readings being established with a Freas instrument?
1.300 bothers me. It's flat out too acidic for temperatures above 32F when 5.0% antimony is involved, unless the newer generation industrial batteries are now constructed with hybrid technology. Adding 2% calcium to the negative plates changes the profile on a battery like this and I mean utterly.
Squirm and squeal the OEMs may, there is no way an increase from 1.275 to 1.300 is NOT going to accelerate corrosive loss of the positive plate material. I'm not talking about subtlety here. This is major league stuff. Reducing positive antimony from 5% to say 3% impacts cycle life.
Curious. Are these readings being established with a Freas instrument?
