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Battery tenders

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Old 12-15-2007, 03:37 PM
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Default Battery tenders

Thinking of getting some battery tenders to keep a few of my vehicles maintained in storage. I have some concern about the possible risk of fire as a result of an electrical malfunction. How safe are these devices?

Last edited by RedDog382; 12-17-2007 at 10:04 AM.
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Old 12-15-2007, 03:41 PM
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Use them constantly on generators, cars and bikes in storage. Never had an issue with them. I order them in from Yamaha for our stock..
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Old 12-16-2007, 12:10 AM
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let me know if you want me to check on them
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Old 12-16-2007, 12:42 AM
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The Battery Tender brand is expensive at $60.00. I have (4) Schumacher battery maintainers that I bought at Meijers on sale for about $25.00 each. I use for boat, car, lawn tractor. They work great and easily pay for themselves becuase they extend the life of a battery.

http://www.amazon.com/Schumacher-SEM...7783408&sr=8-1
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Old 12-16-2007, 08:03 AM
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Hi C.

I thought about this a lot because I have one in the mercedes while it is stored. Basically.... an AC to DC converter with a step down. If it is going to fail... it would most likely fail in a way that would result in an eventual open circuit. Even a short in the tender would imo cause an open. I don't see your battery coming in direct conact with the ac, no matter how it failed. I would say worst case scenario, if your tender fails, your battery fails. I can't drum up a case in my head in which your car or the building would burn.

I have had one for 20 years that I bought for a motorcyle. Maybe one amp or a half an amp.
It was like 15-20 bucks and it still works. Have used it on everything, and have even used it on the boat while the boat was at the dock.
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Old 12-16-2007, 04:25 PM
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Quote:
Originally Posted by packinair View Post
let me know if you want me to check on them
Scott,

Already have one of Toledo's finest SWAT officers scheduled to drop by frequently.

Thanks.
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Old 12-16-2007, 05:02 PM
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Use it on my bike, and just ordered a 4 banger for boat batteries. I think they work great, they keep the bats from sulfating the plates. Just my .02
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Old 12-16-2007, 05:07 PM
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Quote:
Originally Posted by speed demon View Post
The Battery Tender brand is expensive at $60.00.

You're getting screwed at that price....
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Old 12-16-2007, 05:21 PM
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Walmart had,the last time I checked, Schumacher battery tenders for $17.43. Sears have the Schumacher with the Diehard sticker for $29.95. Same product, I keep 3 plugged in at all times for my toys. Gary
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Old 12-17-2007, 10:46 AM
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I just bought three BatteryMINDer chargers. I bought into their pitch about de-sulfization. Northern Tools has/had a sale on them.
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