Here in balmy central MN, only -20F yesterday morning, I charge all the batteries when I put the tractors away for winter and once again about Christmas time. I just don't want them to freeze. Batteries last 3 to 10 years.
You can use your hydrometer on a sealed battery. Peel the sticker off the top and you will see there are caps under there. You will mess them up a little getting the caps out, but they will come out. You know about not burning yourself.
Even Maintenance Free batteries use water. Once the plates are exposed they are shot. The point is to get it to last just past the warranty period so they can sell you a new battery. A 3 or 4 year old battery does not have any warranty so it does not hurt anything to open them and add a little distilled water. That also gives you a chance to see if you have a cell that is going bad. If you do you can limp it along for a while by adding water (and get ready to buy a new battery).
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Today's Featured Article - New Life for an Old Allis - by Tyler Woods. My friend Jon, has an old '39 Allis Chalmers B. He thought it a marginal tractor that had long since served its time. She smoked terribly and never had much power but he couldn't afford another so he was limping along with what he had. Jon's Allis has a small front loader and though it doesn't carry much, it serves his needs. It was the hard starting and low power that made him think it was time to replace the old girl. Jon called me to help him discover why his tractor wouldn't start
... [Read Article]
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