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Battery Boxes


Bob F
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Debating wether to fit our batteries into battery boxes or not.

 

As you can see, the batteries will be installed on a shelf under the deck which is protected from any water spillage from above deck, and well above the hull floor.

 

I'd prefer not to fit them in battery boxes to make access to the batteies and connections easier.

 

Is there any real benefit in fitting battery boxes in this situation?

 

Welcome your comments.

 

cheers

 

Bob and Adam

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Edited by Bob F
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Hi Bob

 

I had this question yesterday as i have to fit batteries to a boat i have just bought

 

if you fit boxes they are protected from the sea environment on the terminals etc

 

plus if you get any spillage it stays in the box .

 

Did you find the prices on batteries varied alot

 

mark w

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I'd consider:

- reducing the risk of corrosion of terminals and conections;

- prevents the risk of a metal object falling across open terminals causing a short or electrical fire (it happens);

- makes it easier to secure the batteries in the event of being rolled, or a severe broach, reducing the risk of electrical failure, as terminals can be ripped off.

 

Also, a marine surveyor will probably insist if you need a survey prior to obtaining insurance, or ever want to sell, for all of the reasons above, and probably a few more.

 

Mike

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Thanks for the comments.

 

The batteries will be strapped down and the terminals will be covered with proper covers to prevent shorts. And the terminals will be greased to prevent corrosion.

 

Mark, I got these batteries from Roy and Sue Pritchard at S&R Services near Hengistbury Head. 110A Numax Marine battery for

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Hi Bob/Adam

 

According to the SCV code practical guide [part copied here in brief]

 

Battery Stowage:

 

All batteries should be secured firmly to avoid movement

 

Where the max charging power output is less than 0.2kW the batteries may be located in any suitable space without any special container requirements.

 

Where the Max charging power output is between 0.2 and 2.0 kW the batteries shoul be located in the machinery space or other well ventilated space in a box or locker.

 

Above 2kW they would need a suitably ventilated dedicated compartment.

 

regardiing ventilation it states:

To ensure that any evolved hydrogen is expelled, battery compartments, lockers and containers should be exausted from the highest point of the space and air supplied at a level below the top of the batteries.

 

Hope that helps

 

Charlie biggrin.gif

 

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I maybe completely wrong, but battery boxes "may" be a requirement for CE marking.

Either way, you should fit them for all the reasons above. They will add a whole two minutes of time in taking off the lids should you need to access them.

nope

 

but I think everyone is in agreement with the basic principles -

 

1. accessible

2. isolated (physically) to an appropriate degree for both electrical and corrosive spills

3. secure - really really secure; way more than sat in a 2 part plastic box somewhere secure

4. maintained - with a focus on terminals

5. ventilated (consistent with the above)

 

 

mine are in a dedicated locker (well there's nothing else in there) accessible via a deck hatch, held in place by 13mmx beads and straps and ventilated overboard - but they don't sit in plastic 'battery boxes'.

 

interestingly my previous boat had the battery in a nice box, installed (wedged) behind the fitted fuel tank (petrol) such that you had to remove the tank to get at the battery!

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