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Alternator size
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seileren1 View Drop Down
Captain
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Joined: 02 May 2007
Location: Norway
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Points: 349 		Post Options Post Options   Thanks (0) Thanks(0)   Quote seileren1 Quote  Post ReplyReply Direct Link To This Post Topic: Alternator size
    Posted: 31 May 2023 at 15:03
Hello,

Does anyone know the size of the alternator on a Volvo d3 110 from 2011, I am changing the house bank to litium and need to know the size so that I can install one or two Victron Omni for protection.

Cheers
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Wayne's World View Drop Down
Admiral
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Joined: 18 July 2012
Location: Cruising
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Points: 1434 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Wayne's World Quote  Post ReplyReply Direct Link To This Post Posted: 01 June 2023 at 00:04
Seileren1,

The alternator on our 2014 D3 is 200amp although the Hanse brochure states 150amp. On the alternator it is rated at 200amp.  
Wayne W
Cruising, currently in the Pacific until the end of 2026.
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seileren1 View Drop Down
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Joined: 02 May 2007
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Points: 349 		Post Options Post Options   Thanks (0) Thanks(0)   Quote seileren1 Quote  Post ReplyReply Direct Link To This Post Posted: 01 June 2023 at 09:18
Thank you Wayne, I wonder if mine may be smaler since its a few years older. Did you upgrade youre housebank to litium and if you did, do you use a dc dc charger like the Victron Orion as a protection of the alternator?

Cheers
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Wayne's World View Drop Down
Admiral
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Joined: 18 July 2012
Location: Cruising
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Points: 1434 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Wayne's World Quote  Post ReplyReply Direct Link To This Post Posted: 01 June 2023 at 13:48
I changed to Lithium batteries in 2019 and at that stage the Victron dealer suggested fitting a BMS 12/200 to the system which reduces the output of the alternator to about 100 amp. The BMS recently failed and I fitted one of the new Smart BMS 12/200. The Victron Lithium batteries I fitted do not have a internal BMS so that is why I fitted an external BMS. The alternator seems to run fine at the reduced output. I had one alternator fail in about 2016 and another in 2021. So I now keep a spare onboard. I think the DC to DC charger for the engine start battery is a good option. 
Wayne W
Cruising, currently in the Pacific until the end of 2026.
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