Denied warranty due to cosmetic scratches

My phone had been giving me problems over the last month and would not charge above 83%, i've had the phone for a couple of months.So i took my phone to the Samsung care center in Century City. I have received a quote from them totalling R1858.20, bare in mind this phone costs barely over R4000 new. <br> <br> <br> \IMPACT DAMAGE ON BEZEL/REAR CASING"<br> <br> Details and cost: \""GH43-04381A BATTERY -R200.00<br> <br> MAINBOARD R1180.00<br> <br> STD REPAIR RATE: PHONE - OOW H/W REPAIR - R250<br> <br> This phone would put in a protective case the day i bought it"