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hooverbj
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VBMWMO #9255
Joined: 04/01/2017
Posts: 93

I have a 12V 1.25A Battery Tender Plus! and was I was wondering if it would work on a 6 volt battery for my soon to be acquired R50/2? What are most of you using to charge your 6 volt batteries?
Thanks in advance
Brian Hoover
Cedar City, Utah

schrader7032
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San Antonio, TX
Joined: 10/27/2006
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I don't think 12v is going to

I don't think 12v is going to work for a 6v battery. I've been using a simple ac adapter made by Philmore model BE-225. It's switchable from 6 to 7.5 to 9v. I usually put it on 7.5v and monitor the voltage over the course of a day or so. As long as it doesn't get above 7.2v, it's fine. It's not a battery tender...it must be checked to be sure the voltage doesn't grow too much. Generally, my 6v batteries seem to do OK being charged in the bike, but every once in a while, I'll pull the battery and charge it with this trickle charger off the bike.

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Kurt in S.A.
'78 R100/7 '69 R69S '52 R25/2

Hugh Conway
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6 Volt Battery Charger

Try NOCO Genius.....An example

https://www.amazon.com/NOCO-G3500-UltraSafe-Battery-Charger/dp/B004LWVEKS

I use one for my 6V R-27 and 12V Enfield

no fuss

Cheers,
Hugh

Twocams
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Joined: 03/16/2014
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I got a NOCO 3500 and not

I got a NOCO 3500 and not that crazy about it. But my son has 3 and loves them. I got a 6 volt battery Tender Plus worked great. Just changed over to 12 Volt system on bike......

twocams

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69 R69S 03 K1200GT
92 R100RT

Jim D 5112
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Joined: 10/27/2006
Posts: 104
Charger

I have a couple of 6 volt Battery Tenders that work fine. But the Schumacher company has a 1.5 amp charger maintainer that will work on both 6 and 12 volt systems that will detect and adjust for either no switching by you needed. Model SEM-1562A

312Icarus
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I just have a little 6 volt

I just have a little 6 volt solar panel. Keep the battery fully charged without over charging and because it is so small it doesn't need a controller. On Amazon for ~$10 IIRC.

IMHO a small 6vt battery tender intended for an auto battery is too big for the tiny bike battery and will tend to cook it. 1.5 amps into that little battery is like putting 15 into a car battery. Ensure that any tender dials down the current or that you only leave it on for a bit every couple of days, just keeping the battery at a float charge, and a idle voltage of 6.35 vdc.

Icarus

Captonzap
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6V charger
mauricedonini
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VBMWMO #9234
Joined: 01/06/2017
Posts: 19
battery charger for 6 volts

Hi,

Is there a need for a battery charger?

The battery isn't needed to start the bike.

Making the assumptions the bike's charging system is working and the bike isn't sitting for long periods of time (months).

Thoughts.

Thank you

312Icarus
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Nor is it needed to run the

Nor is it needed to run the bike, only to run the lights at low rpm assuming the genny is putting out. That said, batteries left in a partial state of charge for longer than a few days will both self discharge, and will self destruct fairly quickly due to sulphation of the plates.

Icarus

hooverbj
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VBMWMO #9255
Joined: 04/01/2017
Posts: 93
Thanks everyone for your

Thanks everyone for your advice!

sblaylock
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VBMWMO #8384
Joined: 07/22/2010
Posts: 109
NOCO Chargers

I too have the NOCO 3500 that Hugh mentioned and it works like a charm on both 6 volt and 12 volt batteries. The nice thing about it is you don't have to have a separate charger for 6 volt, 12 volt and Lithium. The one charger does them all. I also have the G4 charger, which is the 4 bank charger. Great for the winter when you need to pull the batteries out of the bikes to keep them charged on a work bench.

Scott.

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