I don't believe this vehicle will function without the battery.
I'd be installing a second hand battery, and just enjoy it.

Hi I have a 2015 Range Rover Vogue diesel hybrid and have exactly the same problem. Just to perhaps save me the same painful journey, how did you resolve your Range Rover sport hybrid battery issue. A response would be greatly appreciated.

My sympathies. Your note is timely, with my car only just having been repaired this week. There appear to be a limited number of battery experts in Europe who work on these types of issue.

Norman594 said:

Hi I have a 2015 Range Rover Vogue diesel hybrid and have exactly the same problem. Just to perhaps save me the same painful journey, how did you resolve your Range Rover sport hybrid battery issue. A response would be greatly appreciated.

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You have my sympathy. Mine is finally being put back on the road this week (hopefully) at a total of about half the cost of a new battery pack (which are not available anyway). Not sure I can add the repairer’s details on here so please email me at second_version@hotmail.com and I will give you full info.

Thank you so much for your prompt reply. Really appreciated. I'll email you separately. Kind regards.

redfarmer27 said:

My sympathies. Your note is timely, with my car only just having been repaired this week. There appear to be a limited number of battery experts in Europe who work on these types of issue.

You have my sympathy. Mine is finally being put back on the road this week (hopefully) at a total of about half the cost of a new battery pack (which are not available anyway). Not sure I can add the repairer’s details on here so please email me at second_version@hotmail.com and I will give you full info.

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Get them to PM you so you are not putting personal info on view to anyone ie spammers

redfarmer27 said:

I know what you mean. However, a specialist tells me he could possibly repair it (depending on the fault) but cannot get the cells for it. LR tell me they have no new batteries in stock and what's more, they don't even have a supplier for this particular battery so none are being supplied at the moment. Other people waiting for a battery have already waited 200 days. I am now exploring whether or not the hybrid function can be divorced from the diesel, leaving it as a diesel only. Needless to say, LR won't even consider that!

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I suggest you try another specialist, or get a second-hand battery to use as a donor (keep what isn't used for next time). 'Telling' the car its no longer a hybrid is not going to be easy, its a bit more that editing the CCF and shifting some wires around, part of it needs to be functional to keep the motor clutch disengaged.
It should be possible to 'convince' the battery management system that the cell voltages are OK, we've successfully done this by running a discharge routine through diagnostics to bring them all down to the same level but ignoring any panic from the BMS, then connecting an external charger to allow the BMS to bring it back to life gracefully. Its not really a DIY solution though. I suppose you could force the engine to be a single power source at this point by opening one of the interlocks - often as simple as a bonnet catch switch, which you could extend the wiring into the cab and have an internal switch - the constant 'bonnet open' warning would take some ignoring though!.