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Old 11-01-2019, 05:00 PM   #1
Ironhorse
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Battery Maintainer - Charger ?

Winter is coming this way, again, and with it comes the problem of trying to keep the batteries up on all the vehicles in the shop. Hence, the question here:

Seems as if my battery maintainers are all dying off one by one. Have 4 total, 1 each for the '71 4x4, '71 Chevelle, '86 Monte Carlo LS and the ZTR mower. Have tried what I thought were good maintenance trickle chargers, 6/12 volt capable. Have had Schumachers and Sears Brand Die Hard chargers. All did well for couple years and then slowly but surely died off one by one. With my '57 2 dr. coming home from paint at some point I will need to add a 5th charger. Thinking I need more of a "float" type charger rather than a "trickle" charger. Difference in a float charger battery charges til full and then turns off until battery charge drops to a certain point then begins charging again. The trickle charger constantly charges constantly.

Have looked at a Black and Decker BM3B 6/12 volt capable, seems to have good reviews and won't break the bank needing 5 chargers total. Anyone have experience with the B&D BM3B float battery charger or a similar type/brand?
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Last edited by Ironhorse; 11-01-2019 at 05:10 PM.
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Old 11-01-2019, 07:43 PM   #2
crossfire84
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Re: Battery Maintainer - Charger ?

I use the battery tender brand for years and no problems.
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Old 11-01-2019, 09:21 PM   #3
Ironhorse
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Re: Battery Maintainer - Charger ?

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Originally Posted by crossfire84 View Post
I use the battery tender brand for years and no problems.
Thanks for the reply. Will look into the Battery Tender brand. Is that perhaps a O'reilly or Autozone item? Where did you acquire such?

PS: Seen you are located in Wind Lake, Wis. I was born in Rice Lake, Wis. in the upper NW part of the state, many, many, long time ago, awhile back, LOL.
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Old 11-01-2019, 09:54 PM   #4
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Re: Battery Maintainer - Charger ?

I use these: https://www.northerntool.com/shop/to...2201_200332201

If your need isn't immediate, they go on sale every so often for $20. Might be worth waiting until Black Friday and see if they drop the price.

One of mine is several years old and used on a motorcycle. Picked up two more a couple years ago when I moved and needed to keep a tractor and ATV charged up.
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Old 11-12-2019, 02:19 PM   #5
_Ogre
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Re: Battery Maintainer - Charger ?

i bought a battery tender on sale a 3 years ago to replace the 5 year old $5 harbor fright battery float charger
still haven't used it cuz the $5 harbor fright charger is still chugging along
due to my shaved handles/keyless entry module i need to plug my 58 truk in anytime i don't drive it for a week
this one has lasted 8 yrs, last one fried due to the battery failing
i keep one on my mower too. my son uses them on his bike and 68 elco. my neighbor just bought 5 for his boat
another neighbor has a car collection, he bought 10 of them 5 yrs ago

i highly recommend the harbor fright charger, regular price is $10, they go on sale all the time for $5
they're cheap and they work great

automatic-battery-float-charger

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Last edited by _Ogre; 11-12-2019 at 02:26 PM.
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Old 11-13-2019, 04:38 PM   #6
The Rocknrod
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Re: Battery Maintainer - Charger ?

I bought a shumacher? last night (at tractor supply) to put on my 2500HD Diesel, worked as advertised. Yesterday morning, no start. it was like 9 degrees though. Also plugged in my block heater. I'm in an apartment with a garage that the truck hangs out of (too long) so I guess when it gets cold it goes in there plugged in from now on.
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Old 11-13-2019, 05:21 PM   #7
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Re: Battery Maintainer - Charger ?

I've got these on my boat, 4 wheeler, lawn mower, and tractor...been running for yrs
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Old 11-13-2019, 09:06 PM   #8
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Re: Battery Maintainer - Charger ?

I have 4 of the battery tender Jr.s like Mongo. I've replaced a couple over the years but they last many years. Five year warranty and made in the USA. About $25 each.
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Old 11-14-2019, 10:03 AM   #9
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Re: Battery Maintainer - Charger ?

I've used the harbor freight one for years. I've read some bad reviews on them, so seems they might be hit or miss. I keep them on old batteries that I wouldn't trust in my car, but still hold a charge, so not a huge deal if they don't get charged. Overcharging is a different issue, so I have it on a lamp timer I run for about an hour a day. I check the voltage on and off every once in a while.
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Old 11-22-2019, 08:28 PM   #10
v30crewcab
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Re: Battery Maintainer - Charger ?

I have a battery tender jr I've had for over 10 yrs. been dropped and cracked, and still works great.
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Old 11-24-2019, 10:49 AM   #11
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Re: Battery Maintainer - Charger ?

Quote:
Originally Posted by mongocanfly View Post
I've got these on my boat, 4 wheeler, lawn mower, and tractor...been running for yrs
Well, stopped in at Northern Tool & Equipt. yesterday and bought 4 of those. Had a big sale going on, I get their sales brochure and spotted these listed. Normal price was listed as $59.99, on sale for $17.99. $10 off coupon for anything over $50 spent so total of the 4 worked out to $15.49 each plus tax. Gives me one for my '71 4x4 truck, '71 Chevelle, 48'' ZTR and one left over for the '57 2 dr. when it comes home from paint. Hopefully will be set for awhile now with all the batteries and vehicles.
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1971 Chevy 1/2T 4x4 LWB 350 V-8
Was sm465-now 350TH/np205
Tilt, Tach, Towhooks
Original Truck AM/FM
Wellington, Ks
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Old 11-25-2019, 10:40 PM   #12
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Re: Battery Maintainer - Charger ?

Good deal...I need to get me a couple more...
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Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563
2013 GMC Z71..daily driver
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