Custom Y62 under floor Lithium battery

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After months of testing batteries and thinking of different ways to do a Y62 under floor battery, ive just finished this install with the help of a old Auto Elec mate, now.....putting a second battery/s in the Jack location is not a new idea, but to get anything near 100Ah normally requires multiple batteries joined together, and relocation of the jack and tools, but if you want to keep all of those 8 seats, there is not much choice in a different yet practical jack location.


The Battery is a new release Australian made 110Ah Lithium (5 year warranty) has a built in Battery Management System and thermal charge cut off to avoid damage charging below 0 deg temps, and is under 12kg.



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Jack and tools are retained in the factory location, a 40 Amp dc to dc charger (the black box also in the jack compartment) is used to supply power to the battery.


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A Victron multi gauge was fitted ,this model has its own shunt to monitor battery performance etc, this model can also Bluetooth all the info to your ph (if you get the app), i should add..... im really not into drilling holes into nice cars, but the panel the gauge sits in, is only $20 new to replace, and is just the ideal spot for a gauge, for both easy visibility, and protection from cargo impacts or obstruction (too bad if you have a Ti-L tho, lol)

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All this was not cheap to do, and some real world use (keeping beers cold) will tell if its value for money, but after seeing how crazy fast the battery was replenished during the very short testing ive done (it seemed happy to suck up every bit of 38 Amps) so far it looks very promising.


Ill do some real world testing next week and see how it all goes.