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#4498068 - 08/25/17 07:15 PM Battery Charger ... yes time for a new one but ...
tgrudzin Offline


Registered: 09/30/14
Posts: 157
Loc: Chicagoland, IL
I have this old Century battery charger. Probably brought it from Montgomery Wards. Model 87062. 12v/6amp, 12v/2amp, 6v/6amp. Chasing down a problem with MIL's
lawnmower. I was trying to turn a brand new starter (Toro electric start) and I could with a battery reading 13 volts. With the battery charger, i tried to start the starter at the 12v/2amp setting and nothing happen. Switch, by chance to the 12v6amp setting at it turned nicely. Connect a Harbor Frieght mutilmeter and discover the following.

Setting: 12/6amp Output: 12.06 volts DC
12/2amp 10.43 volts DC
6/6amp 7.38 volts DC

So the 12/2 setting is [censored]. The unit has a build date of 01/97.
Two questions I want answered,
1. Anyone care to recommend a battery charger I hardly use? (It is so hard to get opinions from this forum). I have purchased a Noco Genius G3500 for maintaining lawnmower and scooter batteries. Just want a car charger in case battery dies in Chicago winter that will get me though a cold spell or a charge or two until I by a new battery or the nieghbors need help.

2. Since it is my belief that a battery charger is suppose to have slightly more voltage than the battery it was charging, what happen when I tried to charge 12volt batteries with a charger putting out 10.43 volts. I often used the 12/2 setting, as this is a manually only charger and I had the fear of overcharging.

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#4498076 - 08/25/17 07:20 PM Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin]
eljefino Offline


Registered: 06/15/03
Posts: 32775
Loc: ME
Seems weak. Can it power a headlight to regular brightness?

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#4498092 - 08/25/17 07:38 PM Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin]
SilverSnake Offline


Registered: 05/29/13
Posts: 619
Loc: Florida
_________________________
2016 Charger, 6.4L-485 HP (PUP 0W-40)
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2008 20KW Generac (Amsoil 10W-30/30)

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#4498146 - 08/25/17 08:47 PM Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin]
Eddie Online   sleepy


Registered: 12/07/03
Posts: 9657
Loc: Florida, Cape Coral
I don't need a $149 battery charger. I went to Walmart and bought a 10/6/2 amp charger for ~ $18 several years ago and added a $10 0.75A battery minder that you hook up and leave it connected. When the voltage drops it turns on and then turns off when the voltage comes back to normal? I feel the Shumacher chargers are a good value and dependable. Ed


Edited by Eddie (08/25/17 08:49 PM)
_________________________
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#4498149 - 08/25/17 08:51 PM Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin]
JHZR2 Offline



Registered: 12/14/02
Posts: 41901
Loc: New Jersey
Solar pro logix 2310
Battery minder 2012
Tecmate my-191

Are my choices. If just maintaining, I'd go with the 2012 as my first choice.

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#4498190 - 08/25/17 09:32 PM Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin]
CharlieBauer Offline


Registered: 03/29/16
Posts: 1184
Loc: CA
Originally Posted By: tgrudzin

1. Anyone care to recommend a battery charger I hardly use? (It is so hard to get opinions from this forum). I have purchased a Noco Genius G3500 for maintaining lawnmower and scooter batteries. Just want a car charger in case battery dies in Chicago winter that will get me though a cold spell or a charge or two until I by a new battery or the nieghbors need help.


For your use case, I would get a Lithium jump starter or a SOLAR Pro-Logix PL2520.
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#4498227 - 08/25/17 10:34 PM Re: Battery Charger ... yes time for a new one but ... [Re: Eddie]
ArcticDriver Offline


Registered: 01/27/17
Posts: 1139
Loc: USA
Originally Posted By: Eddie
I don't need a $149 battery charger. I went to Walmart and bought a 10/6/2 amp charger for ~ $18 several years ago and added a $10 0.75A battery minder that you hook up and leave it connected. When the voltage drops it turns on and then turns off when the voltage comes back to normal? I feel the Shumacher chargers are a good value and dependable. Ed


Based on your description I would bet my charger is much smarter than your charger.

NOCO and CTEK.
_________________________
Multiple Diesel and Gasoline vehicles

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#4498235 - 08/25/17 10:52 PM Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin]
Garak Offline


Registered: 12/05/09
Posts: 24764
Loc: Regina, Saskatchewan, Canada
Can't your NOCO handle the situation you're asking about?
_________________________
Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515

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#4498242 - 08/25/17 11:03 PM Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin]
EdwardC Offline


Registered: 11/14/13
Posts: 1890
Loc: Chicago, IL
I think something like this manual Schumacher would work great. The high current setting should be better for getting a car started: https://www.amazon.com/Schumacher-SE-105...battery+charger

I actually have this automatic version that I use to float charge the car periodically over the winter: https://www.amazon.com/Schumacher-SE-521...battery+charger

Make sure you check the model, get one that CAN'T be shipped to California. They're older school, in my opinion, more durable technology.

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#4498243 - 08/25/17 11:05 PM Re: Battery Charger ... yes time for a new one but ... [Re: Garak]
tgrudzin Offline


Registered: 09/30/14
Posts: 157
Loc: Chicagoland, IL
My Noco is only 3.5 amps. Not helpful if I discover my battery is dead because of weather or I left lights own and need to get something going in a hurry. Thanks for the thought.

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#4498281 - 08/26/17 12:39 AM Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin]
Garak Offline


Registered: 12/05/09
Posts: 24764
Loc: Regina, Saskatchewan, Canada
No, in that situation, it certainly wouldn't do. But, it is a capable charger in its own right. Hoping to get it up to charge in half an hour in an emergency could certainly be problematic, though. wink
_________________________
Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515

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#4498377 - 08/26/17 06:48 AM Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin]
kc8adu Offline


Registered: 08/02/05
Posts: 897
Loc: dayton oh
actually it is normal.
it goes up on a fully charged battery.
open circuit you read the rms.
the battery acts like a capacitor and you read the peak.
just use your old one.
or keep it around for charging batts that are too low for your new fangled computer based thing to see.
and of course for equalising abused neglected batts.
i have a smart charger but i only use it for gel/agm.
wet go on the old school.
Originally Posted By: tgrudzin
I have this old Century battery charger. Probably brought it from Montgomery Wards. Model 87062. 12v/6amp, 12v/2amp, 6v/6amp. Chasing down a problem with MIL's
lawnmower. I was trying to turn a brand new starter (Toro electric start) and I could with a battery reading 13 volts. With the battery charger, i tried to start the starter at the 12v/2amp setting and nothing happen. Switch, by chance to the 12v6amp setting at it turned nicely. Connect a Harbor Frieght mutilmeter and discover the following.

Setting: 12/6amp Output: 12.06 volts DC
12/2amp 10.43 volts DC
6/6amp 7.38 volts DC

So the 12/2 setting is [censored]. The unit has a build date of 01/97.
Two questions I want answered,
1. Anyone care to recommend a battery charger I hardly use? (It is so hard to get opinions from this forum). I have purchased a Noco Genius G3500 for maintaining lawnmower and scooter batteries. Just want a car charger in case battery dies in Chicago winter that will get me though a cold spell or a charge or two until I by a new battery or the nieghbors need help.

2. Since it is my belief that a battery charger is suppose to have slightly more voltage than the battery it was charging, what happen when I tried to charge 12volt batteries with a charger putting out 10.43 volts. I often used the 12/2 setting, as this is a manually only charger and I had the fear of overcharging.


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#4498399 - 08/26/17 07:25 AM Re: Battery Charger ... yes time for a new one but ... [Re: kc8adu]
Eddie Online   sleepy


Registered: 12/07/03
Posts: 9657
Loc: Florida, Cape Coral
You are correct ArticDriver. Your $149 charger is much smarter than my $19 charger. I suspect your charger is so smart it does your income tax. Just funing. Ed
_________________________
CX5 Touring 2.5L :-)

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#4498415 - 08/26/17 07:40 AM Re: Battery Charger ... yes time for a new one but ... [Re: Eddie]
ArcticDriver Offline


Registered: 01/27/17
Posts: 1139
Loc: USA
Originally Posted By: Eddie
You are correct ArticDriver. Your $149 charger is much smarter than my $19 charger. I suspect your charger is so smart it does your income tax. Just funing. Ed


Ed,

It is so smart it refuses to work on the weekends... grin

But I paid $65 on Amazon about 18 months ago so it may not be as smart as the $165 model.



_________________________
Multiple Diesel and Gasoline vehicles

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#4498431 - 08/26/17 08:03 AM Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin]
Johnny2Bad Online   content


Registered: 05/20/13
Posts: 1924
Loc: Saskatchewan, Canada
This has been discussed a dozen or more times here at BITOG. Maybe do a search, all your questions are answered there.
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