Battery: Taycan E‐Tron - dalathegreat/Battery-Emulator GitHub Wiki

Volkswagen Group MSB platform

• Porsche Taycan (J1 Performance; 2019–present)
• Audi e-tron GT (J1 Performance; 2020–present)

Battery variants

• 79.2 kWh (71.0 kWh usable) liquid-cooled lithium-ion
• 93.4 kWh (83.7 kWh usable) liquid-cooled lithium-ion "Performance Battery Plus"

Wiring

Only Pins 16 and 19 are populated in both Audi Etron GT and Porsche Taycan Batteries so thats where I have taken the CAN data from

Logs

New logs 22/05/2025 (93.4 kWh Performance Battery Plus) (2021 Porsche Taycan Turbo S) below taken VIA serial using Putty assigned to the relevant COM port assigned to the Lilygo

Individual logs for each listed item and one complete log start to finish at 67% SOC on vehicle display

idle_door_openPINS16+19.log

ign_on67percentSOC.log

drive_park_reverse_drive.log

charge_start.log

charge_end.log

off_idle_drive_off_charge_end_charge_contactors_off.log

TaycanbatStandAlone.log

TaycanBatStandAlone2.log

OBD data via Diagnostics Looking at Cell voltages 63% SOC total 751.2v 12-13mv Delta approx 22c temp taycanOBDBatteryData.log

OBD Data from Carscanner App Toggling through menus and again ending with cell voltages display CarScannerOBD.log

LOG in CANFD standalone 30/05/2025 TaycanFDstanalone.log