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Discussion Starter #1 (Edited)
the first job I have on my new roadster is replacing the leaking battery and shoddy battery tray....

I can pick up a motorbike/motorsprt battery for cheaper than the Mazda replacement, so I'm thinking about getting the lighter battery and fabricating a tray.

my question is, is it just a straight swap......old battery and tray out , new battery and tray in?

edit: Battery is an odyssey 545 12v 13Ah 545CCA
 

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Depends if it has the normal terminal or not....i know the pc680 is the more common odyssey battery that's around 120 shipped.

If you want really trick a couple companies make lithium iron(LiFe) batteries that are tiny and weigh nothing(like 3-4lbs for a battery to reliably work/start a dd) but they start at 175 and go up from there.
 

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Discussion Starter #3
Thanks mate......the 545 has bolts (10mm by the looks of it) that go on so I should only need to crimp the cables

The 545 is coming in at £80($110?) with a weight of 5.1kgs

Was just double checking i didn't need any extra equipment to run a bike battery
 

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Discussion Starter #5
Already ordered a new bracket that should be easy to adjust and have some aluminium ready to fab a new tray......... will stick a pic up when my battery arrives , should be here Wednesday or thursday
 

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The stock tray has round depressions that index with the trunk- I think the easiest approach is to use the stock tray and make some kind of reducer. The main thing if you are making a new battery hold down and tray is to keep it from being able to slide around and then providing some clamping force to hold it down. For the hold down I used a small piece of aluminum angle and some turn buckles. My battery + tray + hold down hardware came out to 3.2lb.
 
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