Help! Melted relay box!

Hiya,

Yesterday I has been at a friends house for a few houses and went out to my car to find the battery, oil and hand break lights all on on the dash board, first thing i did was check that i hadnt left my lights on.. i hadnt. so i put my key in the ignition turned it so the electrics started, fan was working, turned lights on and they were dim, so assumed my battery was dead, however i didnt know y, the engine wouldnt even turn when trying to start no noise at all. But i noticed that there was a burning smell when sat in the drivers seat, i tried to locate the smell but couldnt even checked under the bonnet. Anyway i rang recovery and finally after they arrived he found that my relay box infront of the battery was melted beyond recognition so obviously i need a new one, anyone know where i can get one or what sort of price im looking at??

Any help very much appreciated

Thanks,

Cassie
 
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