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E46 (1999 - 2006)
The fourth generation 3 Series (E46 chassis) was introduced in 1999 and set the standard for engineering and performance during it's years of production including being named to Car & Driver's 10 best list every one of those years! ! -- View the E46 Wiki

View Poll Results: Whick one?
Battery Tender Junior 12V 1 100.00%
Schumacher 1.5 Amp Speed Charge Maintainer 0 0%
Voters: 1. You may not vote on this poll

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  #1  
Old 03-28-2012, 07:33 AM
NoGuts NoGuts is offline
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Location: Rottenchester, NY
 
Join Date: Feb 2009
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Mein Auto: '05 330i ZHP
Battery tender vs maintainer?

So...

Battery Tender

http://www.amazon.com/Battery-Tender...2944715&sr=1-1

Or Charger/maintainer

http://www.amazon.com/Schumacher-SEM...944715&sr=1-14
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  #2  
Old 03-28-2012, 07:35 AM
SPDSKTR SPDSKTR is offline
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Location: Birmingham, AL, USA
 
Join Date: Sep 2011
Posts: 2,004
Mein Auto: E30 with an S52
I assume the "Battery Tender" is a lower amperage thing.
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  #3  
Old 03-28-2012, 07:36 AM
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Fast Bob Fast Bob is offline
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Mein Auto: 2004 330Ci ZHP 3 pedals
The Battery Tender Plus is pretty much recognized as the industry standard for 20 years now.
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  #4  
Old 03-28-2012, 08:22 AM
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SJBimmer SJBimmer is offline
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Mein Auto: 2004 325 Convertible
The only 2 that are any good are the Deltran battery tender, and the c-tek. I bought the waterproof battery tender jr about 5 years ago, use the cigarette lighter adaptor for my BMW, and it has been flawless. An added plus is that it can be left out in the rain for my other cars which live outside and sometimes don't get taken on long enough trips to fully charge the battery. Making the alternator work overtime will shorten it's life.


http://www.amazon.com/Battery-Tender...2948058&sr=1-1
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  #5  
Old 03-28-2012, 08:54 AM
ckleung100 ckleung100 is offline
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Location: toronto
 
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Mein Auto: '99 323i
And why do you need to take a poll???
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  #6  
Old 03-28-2012, 10:26 AM
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G. P. Burdell G. P. Burdell is offline
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Location: Southeastern U.S.
 
Join Date: Jan 2006
Posts: 1,753
Mein Auto: E46
We have a Battery Tender (labeled by Deltran for sale as a BMW dealer accessory) and a Battery Tender Junior. I frequently use the Junior with the accessory cigarette lighter adapter, which I plug into a 12V socket in the trunk. Click the "how-to" link in my signature to see how I added the socket. This setup is very convenient.
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  #7  
Old 03-28-2012, 11:16 AM
sunnyjay sunnyjay is offline
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Location: CA
 
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Mein Auto: 01 330ci
I have use both and never had an issue with either one.
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  #8  
Old 03-28-2012, 11:40 AM
Nervous Nervous is offline
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Location: Ellicott City, MD
 
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Mein Auto: 01' 330CI 6MT / 00' 540i
I have that Schumacher and it works fine, it is light and very portable. However, I've just bought a real charger (http://www.amazon.com/gp/product/B00...01_i00_details) and it also has the same maintenance mode (2A though) that makes the first device mostly useless. However, the latter charger is heavier and bigger, but it is a real charger with Manual and Auto modes and with 125A engine start mode.
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  #9  
Old 03-28-2012, 08:46 PM
QAfred QAfred is offline
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Quote:
Originally Posted by Nervous View Post
I have that Schumacher and it works fine, it is light and very portable. However, I've just bought a real charger (http://www.amazon.com/gp/product/B00...01_i00_details) and it also has the same maintenance mode (2A though) that makes the first device mostly useless. However, the latter charger is heavier and bigger, but it is a real charger with Manual and Auto modes and with 125A engine start mode.


You need to read up on the Battery Tender Plus!
YOU are paying too much for an old outdated battery charger.
The Battery Tender Plus is a 1.25 amp battery charger designed to fully charge a battery and maintain it at proper storage voltage without the damaging effects caused by trickle chargers....Complete 4-step charging program (Initialization, Bulk Charge, Absorption Mode, Float Mode).

You can leave it hooked up forever...with no damage to the battery and it only cost $40 bucks and is smaller than the one you believe to be light and portable?
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