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Closest Harbor freight is 50 miles. Wish it was closer. I'll find a load tester or take them to oreilly. They are out of the m929a2 that I'm selling. It's the only 5 ton I bought out of 15 that would start under its own power when I got it from government. I've had 2 years with just a couple...

I overcame my timidity to turning the charger on 10 amp and leaving it on overnight. I have two that stabilized at 12.82 and two at 12.80. Good enough for now. They were made Nov. 2008, installed in 2009 and look nearly new. Here is the underlying issue. They are in/for the dump truck...

WWRD thanks for sharing. This has taken a long time and since I don't leave them on at night due to charger hum, even longer. You seem right on with the time and amps. To anyone reading.... go for the schedule WWRD recommends. It would seem to be the deep charge these monsters need. Of...

Has anyone done magnesium sulfate reconditioning? I'm at 12.7 on these two and would like to see them reach 12.9. I've read both that it shortens battery life but other reports that it can be done several times to reduce the crystalline coating. I read also that debris can accumulate in the...

Yes, they are lead acid. No load tester but on these Exide the open circuit voltage is a good indicator....or seemed to be in the past. Hawkers....no. With alternating (battery being charged) most the day on the 2 amp setting, both are holding at around 12.5. The 10 amp setting seems to be...

I thought my dump had hawkers but I found I had Exide. This is the only one of 15 5 tons that started under its own power when I bought it and with some convincing (charging) has lasted a couple years without major attention. I sure was glad to find Exide, it seems my small charger works with...