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Battery chargers

Weasel

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712
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I need a new charger for my batteries, nearly all are AGM styles. After quite a bit of research I'm looking at getting a Batteryminder unit. They have good rating, make aviation specific chargers that I see on quite a few aircraft supply houses that seem to indicate they are good quality.

This is the unit: https://www.batteryminders.com/2012a...acid-batteries

Anyone have one, comments?

The main issue I'm having with my older fancy charger is if the battery gets in a low state it throws a code and won't charge. If I equalize it with a good battery it will take off and charge no problem.
 

redheep

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Jun 3, 2020
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1799
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I bought this cheap Stanley battery charger a few years ago because I needed something that would vary the charging rate while I was troubleshooting/coding german cars. It works well, charges at 25 amps and drops down to float.

And it's cheap. You can spend a ton of money on a good battery charger.

https://www.amazon.com/STANLEY-BC25B...5-4be35d7258cc
 
Joined
May 19, 2020
Member Number
186
Messages
379
Location
OKC
I bought this cheap Stanley battery charger a few years ago because I needed something that would vary the charging rate while I was troubleshooting/coding german cars. It works well, charges at 25 amps and drops down to float.

And it's cheap. You can spend a ton of money on a good battery charger.

https://www.amazon.com/STANLEY-BC25B...5-4be35d7258cc

Funny how hit our miss this stuff is. I bought the same unit with a black & Decker label and it's been a pos.
 

Weasel

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That's why I'm leaning towards the above unit, they seem to hit the mark consistently. I've the same hit or miss issues on cheaper units.

I figure if they can be certified for airplane batteries they might make a decent automotive product.
 

redheep

New member
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Don't know. My brother bought the same one and it works just like mine does.

I've had a lot of success with the Battery Tender brand of maintainers for my road king and my expedition trailer. $105 seems pretty steep for a 2 amp maintainer.
 

Weasel

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Don't know. My brother bought the same one and it works just like mine does.

I've had a lot of success with the Battery Tender brand of maintainers for my road king and my expedition trailer. $105 seems pretty steep for a 2 amp maintainer.

true but I've already been through 3 cheaper ones and that's cost me well over that. It does have a few extra features, desulfate, temp sensor for correct charges, bad cell sensors. They have a version that has the AGM setup plus 2/4/8 amp charges for a few bucks more.
 

Weasel

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I'll look at Battery Tenders as well, I was trying to remember the other brands I've seen alot and that's it.
 

dnsfailure

WHAT GEAR ARE YOU IN?
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198
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I'll look at Battery Tenders as well, I was trying to remember the other brands I've seen alot and that's it.

the 'battery tender' brand seems to be good quality. I've got 2 of them, haen't had problems with them at all. My other main charger is an old Schumacher charger that is probably 30 years old. I don't know if their new stuff is good quality or not, but the old chargers seem to be.
 

ridenby

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May 19, 2020
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183
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417
Location
Kentucky
shops has one of them as well, haven't had good luck with it on any Optima's. Although reading up on charging rates it might take a few days to bring back really dead batteries and the guys typically unhook them after a day.

I let it do its thing. It is slow.
 

Pt_Ranger_v8

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flyover land
bumping this back up, thinking about getting the larger one from harbor freight. Anyone have any experience with them?
 

87manche

kinder and gentler
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688
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lake erie
I bought this cheap Stanley battery charger a few years ago because I needed something that would vary the charging rate while I was troubleshooting/coding german cars. It works well, charges at 25 amps and drops down to float.

And it's cheap. You can spend a ton of money on a good battery charger.

https://www.amazon.com/STANLEY-BC25B...5-4be35d7258cc

I've been using this one to program my car with.

holds 25 amps for hours.
doesn't freak out running ignition loads.
 

Weasel

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Member Number
712
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So I went back and forth quite a bit and switched model and went with BatteryMINDer® Model 128CEC1. Northern Tool, Amazon, and other places have them.

Working great. Fully charged 4 batteries that the other chargers wouldn't do anything with it.
 
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