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Old 05-02-2018, 04:51 AM   #1
Fredb
 
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Default Trickle charge thru Lighter?

Do folks out there know whether you can trickle charge the engine battery by connecting through the lighter port.... am looking at a little solar powered trickle charger and trying to figure out whether I need an extension to connect directly to the battery or can go through the lighter port in the dash.

Thanks in advance for any help.

Fred
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Old 05-02-2018, 09:10 AM   #2
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Default Re: Trickle charge thru Lighter?

If the lighter outlet is live when the key is off and not going via the ignition then yes you can use it to charge.
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Old 05-02-2018, 01:09 PM   #3
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Default Re: Trickle charge thru Lighter?

The 12v outlet below the cup holders on a 2013 is always live and a plugged in Battery Tender to that outlet works like a charm.
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Old 05-02-2018, 05:19 PM   #4
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Default Re: Trickle charge thru Lighter?

Thanks... got it. That makes sense. Will check when I get home tonite.

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Originally Posted by Tooth Fairy View Post
If the lighter outlet is live when the key is off and not going via the ignition then yes you can use it to charge.
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Old 05-02-2018, 05:41 PM   #5
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Default Re: Trickle charge thru Lighter?

Thanks... got it. That makes sense. Will check when I get home tonite.

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Originally Posted by Tooth Fairy View Post
If the lighter outlet is live when the key is off and not going via the ignition then yes you can use it to charge.
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Old 05-02-2018, 05:55 PM   #6
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Default Re: Trickle charge thru Lighter?

For a long time I've had a little solar panel on the dash charging through the lighter port.
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Old 05-04-2018, 06:08 AM   #7
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Default Re: Trickle charge thru Lighter?

Ok... so now I have a different issue... the lighter port is 'dead'... seem to recall that it was working and then went bad a while back (as in, I plugged some device in and it shorted/blew).

Haven't dug into it yet, but am wondering if others have experience... is it on a fuse or are there other common issues folks have encountered?

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For a long time I've had a little solar panel on the dash charging through the lighter port.
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Old 05-04-2018, 07:12 PM   #8
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Default Re: Trickle charge thru Lighter?

Yes, the cigarette lighter (in the ashtray) and the 12v power outlet (on the dash panel) each has a separate fuse.

The socket in the ashtray uses a 20 amp fuse in position #8 on panel 1 (under the steering wheel),
and the 12v outlet uses a 15 amp somewhere on the seat-side panel (location differs between Sprinters).

Note: although the ashtray fuse is larger, there have been a number of reports of that socket melting if run at high currents. The ashtray socket also feeds the radio and interior lights. The 12v outlet fuse is solely devoted to the socket.


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Last edited by autostaretx; 05-04-2018 at 07:16 PM.
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Old 05-05-2018, 05:24 AM   #9
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Default Re: Trickle charge thru Lighter?

Dick,

Thank you very much for the detailed information... would have taken me awhile to figure out the location of the fuse without your help. Really appreciate it.

-Fred


Quote:
Originally Posted by autostaretx View Post
Yes, the cigarette lighter (in the ashtray) and the 12v power outlet (on the dash panel) each has a separate fuse.

The socket in the ashtray uses a 20 amp fuse in position #8 on panel 1 (under the steering wheel),
and the 12v outlet uses a 15 amp somewhere on the seat-side panel (location differs between Sprinters).

Note: although the ashtray fuse is larger, there have been a number of reports of that socket melting if run at high currents. The ashtray socket also feeds the radio and interior lights. The 12v outlet fuse is solely devoted to the socket.


--dick
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Old 11-24-2018, 03:39 PM   #10
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Default Re: Trickle charge thru Lighter?

Quote:
Originally Posted by CJPJ View Post
For a long time I've had a little solar panel on the dash charging through the lighter port.
Hello, and thank you. Could you please offer a few more details? I'm asking because I found solar power trickle charger by Suaoki (I have liked other products from them). It's an 18w panel, but more curiously, it recommends to unplug it at night in case it fails and begins to draw off the battery rather than recharge. That of course is not convenient. Additional research tells me people have added a controller to circumvent that potential problem.

Questions 1) what panel size has been successful for you, and 2) does yours have its own controller and/or did you add one?

Thank you kindly.
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