24/7 mobile jump start for your Porsche Taycan Cross Turismo (1975–2026) in Sacramento using Surge-Protected 2,500A Peak 12V Pro Booster Pack.
Cayenne/Macan/Panamera: Under-hood remote jump terminals. 911/Boxster/Cayman: When battery in front trunk (frunk) is dead, 12V must first be applied to the pull-out red (+) post inside the cabin driver-side footwell fuse box to pop the electric frunk latch!
On Porsche 911 (996/997/991/992), Boxster, Cayman, and Taycan, the front trunk (frunk) lock is electric. Our technicians use a dedicated regulated 12V power supply on the footwell fuse box emergency release post to open the frunk safely without damaging the body control module.
Post-boost verification of HV-to-LV DC-DC Converter (14.4V / 15.5V) output (13.8V–14.8V on 12V; 27.6V–28.4V on 24V commercial).
| Generation | Battery Group | CCA | Alternator | Starter | System Notes |
|---|---|---|---|---|---|
| Taycan Cross Turismo (2021–2026) | Group 51R / Group 47 (H5) / 12V Aux or 16V Li-Ion | 410–680 CCA / Low-Voltage Contactor Supply | HV-to-LV DC-DC Converter (14.4V / 15.5V) (14.2V–14.8V) | HV Main Contactor & Motor-Generator | Smart LIN/BSD Regulated AGM / Aux |
| Taycan Cross Turismo (2015–2020) | Group 51R / Group 47 (H5) / 12V Aux or 16V Li-Ion | 410–680 CCA / Low-Voltage Contactor Supply | HV-to-LV DC-DC Converter (14.4V / 15.5V) (14.0V–14.6V) | HV Main Contactor & Motor-Generator | High-Reserve AGM / EFB Start-Stop |
| Taycan Cross Turismo (2008–2014) | Group 51R / Group 47 (H5) / 12V Aux or 16V Li-Ion | 410–680 CCA / Low-Voltage Contactor Supply | HV-to-LV DC-DC Converter (14.4V / 15.5V) (13.8V–14.4V) | HV Main Contactor & Motor-Generator | High-CCA AGM / Lead-Acid |
| Taycan Cross Turismo (1998–2007) | Group 51R / Group 47 (H5) / 12V Aux or 16V Li-Ion | 410–680 CCA / Low-Voltage Contactor Supply | HV-to-LV DC-DC Converter (14.4V / 15.5V) (13.8V–14.2V) | HV Main Contactor & Motor-Generator | OEM Group Lead-Acid / AGM |
| Taycan Cross Turismo (1980–1997) | Group 51R / Group 47 (H5) / 12V Aux or 16V Li-Ion | 410–680 CCA / Low-Voltage Contactor Supply | HV-to-LV DC-DC Converter (14.4V / 15.5V) (13.6V–14.2V) | HV Main Contactor & Motor-Generator | Standard BCI High-CCA |
