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Replacing The Auxillary Battery In Rx400H

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How many years are you getting from the aux: Battery? Mine is now 7 years old and seems OK. But I know when the Battery fails you are stuck! It won't start the system.

If anyone has recently bought a new Battery, could you give the make, code number and amperage please? and price paid.


I can now answer my own question. Lexus Cheltenham told me the auxillary Battery is specially made by a Lexus subsidary company, and is the only one to fit the small tray. NOT TRUE. I have fitted a Bosch S4-158 with a 4year guarantee. Identical in size. Price £44.82 v Lexus £78.00!

Thanks to Google search!

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