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MarkBrown



Member Since: 03 Oct 2022
Location: Mid Wales
Posts: 546
Wales 1983 Defender 110 Other HT Auto Keswick Green

Click image to enlarge[/quote]

That Renogy one like the type which I’ve fitted to a sprinter camper conversion. They’re great as they’ll keep the main ( starter ) battery trickle charged too - from the solar. 1983 110 automatic OM606
Post #1071485 15th Jul 2025 2:27pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8318
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
So thinking further on this.

If you have an AGM main battery and std dumb alternator can you fit something inline to charge at agm voltages? Cheers

James
110 2010 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #1071490 15th Jul 2025 3:04pm
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2360
United Kingdom 1984 Defender 90 BMW M57 3.0 Diesel HT Auto Pennine Grey
The dc-dc chargers have charging profiles for different kinds of battery James, you select the one you have.
On mine its done thus -



Click image to enlarge The Land Rover 90 - Many are called, few are chosen.

50 Shades of Pennine Grey
Post #1071497 15th Jul 2025 4:29pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8318
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
So can you fit a dc dc charger inbetween the alt output and the main battery? Cheers

James
110 2010 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #1071505 15th Jul 2025 5:34pm
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2360
United Kingdom 1984 Defender 90 BMW M57 3.0 Diesel HT Auto Pennine Grey
🤔 I'd be asking before I bought.
Mo The Land Rover 90 - Many are called, few are chosen.

50 Shades of Pennine Grey
Post #1071509 15th Jul 2025 6:15pm
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jst



Member Since: 14 Jan 2008
Location: Taunton
Posts: 8318
 2011 Defender 110 Puma 2.4 USW Stornoway Grey
Yeah, I am not sure. Everything I read mentions using it for aux batts. Cheers

James
110 2010 XS Utility
130 2011 M57 bespoke Camper
90 2010 Hardtop
90 M57 1988 Hardtop
Post #1071516 15th Jul 2025 7:02pm
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