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Charging 8V battery
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Ed (Ont) View Drop Down
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Joined: 08 Nov 2009
Location: New Lowell, Ont
Points: 1569 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Ed (Ont) Quote  Post ReplyReply Direct Link To This Post Topic: Charging 8V battery
    Posted: Yesterday at 4:05pm
My friend dropped off an 8V battery out of a 1946 Ford that someone had installed. What is best way to try to charge this? I have several chargers but nothing 8V. I think the battery is no good. I will check voltage of it first and go from there. Thx. 

Edited by Ed (Ont) - 19 hours 12 minutes ago at 9:37pm
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WF owner View Drop Down
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Joined: 12 May 2013
Location: Bombay NY
Points: 5136 		Post Options Post Options   Thanks (0) Thanks(0)   Quote WF owner Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 4:13pm
You should be able to charge it with a 12-volt charger on the lowest setting, without hurting anything.
Several battery chargers had a single setting for "12-volt low - 6-volt fast charge".


Edited by WF owner - Yesterday at 4:15pm
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steve(ill) View Drop Down
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Joined: 11 Sep 2009
Location: illinois
Points: 89839 		Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 4:19pm
and if you have a volt meter, connect it across the terminals and monitor as the battery is being charged with the 12v charger..
Like them all, but love the "B"s.
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Ed (Ont) View Drop Down
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Joined: 08 Nov 2009
Location: New Lowell, Ont
Points: 1569 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Ed (Ont) Quote  Post ReplyReply Direct Link To This Post Posted: 23 hours 48 minutes ago at 5:01pm
Thanks guys! Smile
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DSeries4 View Drop Down
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Joined: 12 Sep 2009
Location: Ontario, Canada
Points: 7597 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DSeries4 Quote  Post ReplyReply Direct Link To This Post Posted: 28 minutes ago at 4:21pm
I was just talking to my starter and alternator repair shop a few days ago and got on the subject of 8 volt batteries in 6 volt systems.  In short, they DON'T work!  The maximum output of a 6 volt generator is only 7.2 volts, so the 8 volt battery will never get fully charged, instead it keeps draining.

A 6 volt battery with a 6 volt electrical system that actually WORKS is a far better choice - a good working generator and very thick battery cables.
'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '63 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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