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Start battery relocation option?

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Mark_J1 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mark_J1 Quote  Post ReplyReply Direct Link To This Post Topic: Start battery relocation option?
    Posted: 28 May 2022 at 21:59
Has anyone relocated the start battery nearer the engine compartment on a 400? If so did you find a good compromise of battery size & location? 

Iíve realised that would allow me to squeeze a 3rd LiFePO4 battery in under the Nav seat. My charging solution has also got simpler so would make the separation of the banks easier. Some Hanse models have a battery in the engine bay above the engine. Thatís not ideal but may be one option as an example. 

Thanks

Mark
Hanse 400e "Grey Goose" Hull #31
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Captain Cook View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Captain Cook Quote  Post ReplyReply Direct Link To This Post Posted: 29 May 2022 at 20:24
My solution for a larger capacity is this:
3 x AGM 90Ah and 1 x 100Ah Lead acid in battery compartment.
3 x AGM 90Ah in compartment in front of the galley.
2 x 100 Ah Lead acid (24V) in front of water tank for the bow thruster.
The AGMs are divided in two groups, 180Ah for anchor and electric winch, and 360 Ah for service.
Cables between AGM groups through drilled holes in the fibreglass.





Edited by Captain Cook - 29 May 2022 at 20:27
Freya H400 #27 (2006), 40HP 3JH4E, 2-cabin, 3-blade Flexofold, Aries LiftUp Windvane, Exturn 300, Jefa DD1,Simrad NX40,Icom M603(VHF)+M802(SSB)
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iemand View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote iemand Quote  Post ReplyReply Direct Link To This Post Posted: 30 May 2022 at 08:44
you could consider a small agm starter battery to safe some space. I have 38ah but even 20ah would be sufficient if the battery can handle the high current. Redflash is an expensive but very good option.

I have 1x 300ah + starter in the compartement.
Hanse 312 MJ 2004 - Hanse 370e MJ 2007
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Brufan View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Brufan Quote  Post ReplyReply Direct Link To This Post Posted: 31 May 2022 at 00:01
On my H355 engine battery (90 ah !) sits on a shelf just above Saildrive in engine bay.

Bruno

hanse 355 - 57

S/Y Spicy Ginger

White hull, 2 cabins, Volvo D1-30, Selden rig, removable mainsheet track system (modifications done now), Simrad-Jefa autopilot.
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Mark_J1 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Mark_J1 Quote  Post ReplyReply Direct Link To This Post Posted: 31 May 2022 at 16:23
Thanks folks. Iíll let you know the outcome. Iím thinking an 60-90Ah AGM battery will squeeze in under the port bunk. Especially if it doesnít have to be vertical. 

Mark
Hanse 400e "Grey Goose" Hull #31
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