lordcroker

Hi, I'm a new member having just bought my 2015 Fabia on Monday. It's a 1.2 TSI (110) with a manual gearbox, one owner from new and just 12,700 miles. There is however a battery problem. Whilst setting up the Bluetooth, stereo and other car settings the display came up with a warning that the battery was low and that the display would shut down if the car wasn't started. Due to the Coronavirus lockdown the car hadn't been driven or started for two days. I have charged the battery (the original) using my CTEK charger (suitable for stop/start batteries) and it went through the full charging cycle correctly. Using a multimeter the battery was showing 12.87v immediately after being chatged. The battery SOC display read 80%. After locking the car and leaving it overnight the SOC display read 60% and the multimeter showed 11.42v the following morning. The radio was off when the ignition was turned off, all interior lights turn off when the doors are shut, as does the glovebox light and the boot light. There is nothing plugged into the 12v socket or the USB socket, therefore I can't see any obvious cause for power draw whilst the car is locked. I've explained the issue to the dealer (who is shut due to the lockdown) and he is arranging for a new battery to be delivered to me next week. The manual seems to imply that swapping the battery is a simple job, but the radio (Bolero) may need recoding. Looking on this forum I've seen replies to similar topics for other Skodas varying from "it's a simple job, just swap them over - the radio code is stored in the car and it will recode automatically" to the radio code needing to be re-entered and the battery needing to be matched to the CPU, through to the world as we know it ending if anybody other than a Skoda dealer attempts the job! I have jump leads and a slave battery to allow a continuous 12v supply to be maintained during the swap if required. Has anybody on here swapped a battery on a Mk3 Fabia that could advise please?