New MEP 1040 10KW

[tmuenster]

This instructional video on charging very low voltage AGM battery might be helpful. It describes the ‘Good Battery in Parallel’ charging process.

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[Guyfang]

Hawker has a battery charger just for their batteries. Have no idea whats different about it. Just know they do. A Hawker guy I knew from contracting once took 100 Hawker Batteries out of the DRMO, (tagged UNSERVISABLE) and and compleatly recovered 98 of them. That's where I learned the parallel battery thing. Recovering Hawkers. Good AGM charger on them and waited 2-3 days.

 

[Guyfang]

This instructional video on charging very low voltage AGM battery might be helpful. It describes the ‘Good Battery in Parallel’ charging process.

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ARM SAFE batteries are super batteries.

 

[jcollings]

I personally talked to that guy and he was the one that told me how to use a manual charger and keep the volts below 15 and no heat FYI

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[Guyfang]

The other thing I will add here is the battery charger shown in the HAWKER film clip, IS the Hawker delivered charger to the Military. If I had a big use of 24 volt systems, and saw one of these things for sale, I sure will buy it.

 

[tmuenster]

The small Optima battery has now been ‘Fully Charged’ according to my AGM battery charger. It started at about 5.7v when I initiated the ‘Good Battery in Parallel’ method of charging. It took a couple of days where the charger was in ‘Boost Mode’ adding a charge to the Optima. The Boost Mode voltage was around 14v and never got to 15v. I am now charging the second small Optima that came out of the MEP 1040. I also ordered one of the PulseTech 24v Solar Chargers that I plan to add to the genset. Hopefully, the solar charger will keep the Optima batteries maintained.

I plan to wait for my NOCO charger to recover the Hawker batteries but I think the process will be about the same. Or at least I hope to get the same result….


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[Light in the Dark]

I've had mixed success with Optimas in the battery-trickery department of recharging. Glad to see you had success.

 

[Abrant23]

The small Optima battery has now been ‘Fully Charged’ according to my AGM battery charger. It started at about 5.7v when I initiated the ‘Good Battery in Parallel’ method of charging. It took a couple of days where the charger was in ‘Boost Mode’ adding a charge to the Optima. The Boost Mode voltage was around 14v and never got to 15v. I am now charging the second small Optima that came out of the MEP 1040. I also ordered one of the PulseTech 24v Solar Chargers that I plan to add to the genset. Hopefully, the solar charger will keep the Optima batteries maintained.

I plan to wait for my NOCO charger to recover the Hawker batteries but I think the process will be about the same. Or at least I hope to get the same result….


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Did they hold a charge? I used my noco on the two optimas in my 1040 but after sitting overnight after they were “fully charged” they would not start the genset.

 

[SCSG-G4]

Did they hold a charge? I used my noco on the two optimas in my 1040 but after sitting overnight after they were “fully charged” they would not start the genset.

Sounds like you only had a 'surface charge', try leaving the charger on each battery at least three days. It will cycle on and off, but will get a little 'deeper' charge each time.

 

[Abrant23]

Sounds like you only had a 'surface charge', try leaving the charger on each battery at least three days. It will cycle on and off, but will get a little 'deeper' charge each time.

I let it charge in parallel for a day then left the noco hooked up for a week. Did this with both batteries before giving up on em. Neither would hold a charge.