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Battery Charger ... yes time for a new one but ... #4498068
08/25/17 07:15 PM
08/25/17 07:15 PM
Joined: Sep 2014
Posts: 157
Chicagoland, IL
tgrudzin Offline OP
tgrudzin  Offline OP
Joined: Sep 2014
Posts: 157
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.

Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin] #4498076
08/25/17 07:20 PM
08/25/17 07:20 PM
Joined: Jun 2003
Posts: 33,286
ME
eljefino Offline
eljefino  Offline
Joined: Jun 2003
Posts: 33,286
ME
Seems weak. Can it power a headlight to regular brightness?

Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin] #4498092
08/25/17 07:38 PM
08/25/17 07:38 PM
Joined: May 2013
Posts: 681
Florida
SilverSnake Offline
SilverSnake  Offline
Joined: May 2013
Posts: 681
Florida


2016 Charger, 6.4L-485 HP (PUP 0W-40)
2017 BMW 330i, 2L-248 HP (BMW 0W-20)
2018 Jeep GC, 5.7L-360 HP (PP 5W-20)
2008 20KW Generac (Amsoil 10W-30/30)
Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin] #4498146
08/25/17 08:47 PM
08/25/17 08:47 PM
Joined: Dec 2003
Posts: 9,843
Florida, Cape Coral
Eddie Offline
Eddie  Offline
Joined: Dec 2003
Posts: 9,843
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

Last edited by Eddie; 08/25/17 08:49 PM.

CX5 Touring 2.5L :-)
Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin] #4498149
08/25/17 08:51 PM
08/25/17 08:51 PM
Joined: Dec 2002
Posts: 42,158
New Jersey
JHZR2 Offline
JHZR2  Offline
Joined: Dec 2002
Posts: 42,158
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.

Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin] #4498190
08/25/17 09:32 PM
08/25/17 09:32 PM
Joined: Mar 2016
Posts: 1,249
CA
CharlieBauer Offline
CharlieBauer  Offline
Joined: Mar 2016
Posts: 1,249
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.


It ain't what you don't know that gets you into trouble. It's what you know for sure that ain't so.

- mistakenly attributed to Mark Twain
Re: Battery Charger ... yes time for a new one but ... [Re: Eddie] #4498227
08/25/17 10:34 PM
08/25/17 10:34 PM
Joined: Jan 2017
Posts: 1,139
USA
ArcticDriver Offline
ArcticDriver  Offline
Joined: Jan 2017
Posts: 1,139
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
Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin] #4498235
08/25/17 10:52 PM
08/25/17 10:52 PM
Joined: Dec 2009
Posts: 25,612
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline
Joined: Dec 2009
Posts: 25,612
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
Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin] #4498242
08/25/17 11:03 PM
08/25/17 11:03 PM
Joined: Nov 2013
Posts: 1,929
Chicago, IL
EdwardC Offline
EdwardC  Offline
Joined: Nov 2013
Posts: 1,929
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.

Re: Battery Charger ... yes time for a new one but ... [Re: Garak] #4498243
08/25/17 11:05 PM
08/25/17 11:05 PM
Joined: Sep 2014
Posts: 157
Chicagoland, IL
tgrudzin Offline OP
tgrudzin  Offline OP
Joined: Sep 2014
Posts: 157
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.

Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin] #4498281
08/26/17 12:39 AM
08/26/17 12:39 AM
Joined: Dec 2009
Posts: 25,612
Regina, Saskatchewan, Canada
Garak Offline
Garak  Offline
Joined: Dec 2009
Posts: 25,612
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
Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin] #4498377
08/26/17 06:48 AM
08/26/17 06:48 AM
Joined: Aug 2005
Posts: 910
dayton oh
kc8adu Offline
kc8adu  Offline
Joined: Aug 2005
Posts: 910
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.


Re: Battery Charger ... yes time for a new one but ... [Re: kc8adu] #4498399
08/26/17 07:25 AM
08/26/17 07:25 AM
Joined: Dec 2003
Posts: 9,843
Florida, Cape Coral
Eddie Offline
Eddie  Offline
Joined: Dec 2003
Posts: 9,843
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 :-)
Re: Battery Charger ... yes time for a new one but ... [Re: Eddie] #4498415
08/26/17 07:40 AM
08/26/17 07:40 AM
Joined: Jan 2017
Posts: 1,139
USA
ArcticDriver Offline
ArcticDriver  Offline
Joined: Jan 2017
Posts: 1,139
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
Re: Battery Charger ... yes time for a new one but ... [Re: tgrudzin] #4498431
08/26/17 08:03 AM
08/26/17 08:03 AM
Joined: May 2013
Posts: 2,094
Saskatchewan, Canada
Johnny2Bad Offline
Johnny2Bad  Offline
Joined: May 2013
Posts: 2,094
Saskatchewan, Canada
This has been discussed a dozen or more times here at BITOG. Maybe do a search, all your questions are answered there.


'57 FL Straight 50 wt
'90 Miata 1.8L w/Rotrex Supercharger [Mobil1 0W-40]
'96 Ram 1500 [3.7L Mobil1 0W-20 / 1L 15W-50]
'01 PT Cruiser [Mobil1 0W-40]
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