24/7 mobile battery boosting for all Tesla (2008–2026) models in Sacramento. OEM Group 51R 12V AGM (2012–2021) / 16V Lithium-Ion Low-Voltage Battery (late 2021–2026) / 48V Architecture (Cybertruck) (Low-Voltage Auxiliary System (12.8V AGM or 15.5V–16V Li-Ion)), PCS (Power Conversion System) High-Voltage to Low-Voltage DC-DC Converter charging check, and ECU-safe remote terminal connection.
Step 1: Pop round tow-eye cover on front bumper and apply 12V to the two color-coded leads to release the front trunk (frunk) latch. Step 2: Remove upper cabin intake apron inside frunk to access the low-voltage jump posts.
When a Tesla's 12V or 16V low-voltage battery dies, the high-voltage contactors cannot close—leaving the screen black, doors locked, and charge port frozen even if the main battery has 80% charge! Late 2021–2026 Model 3/Y/S/X vehicles use a 16V Lithium-Ion battery that rejects standard 12V jump packs if voltage is below 14.8V; our EV service carries regulated 15.5V/16V power supplies specifically for Tesla Li-Ion recovery.
BCI Group: Group 51R 12V AGM (2012–2021) / 16V Lithium-Ion Low-Voltage Battery (late 2021–2026) / 48V Architecture (Cybertruck)
CCA: Low-Voltage Auxiliary System (12.8V AGM or 15.5V–16V Li-Ion)
Alternator: PCS (Power Conversion System) High-Voltage to Low-Voltage DC-DC Converter
Starter: High-Voltage Pyro Disconnect & Main Contactor Closure via 12V/16V Low-Voltage Rail
Tap any model badge for its dedicated year-by-year specification page:
| Model / Badge | Years | Battery Group | CCA | Alternator | Starter |
|---|---|---|---|---|---|
| Model 3 Standard Range Plus | 2008–2026 | 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) | HV Main Contactor & Motor-Generator |
| Model 3 Long Range | 2008–2026 | 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) | HV Main Contactor & Motor-Generator |
| Model 3 Performance | 2008–2026 | 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) | HV Main Contactor & Motor-Generator |
| Model 3 Highland (2024–2026) | 2008–2026 | 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) | HV Main Contactor & Motor-Generator |
| Model Y Long Range | 2008–2026 | 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) | HV Main Contactor & Motor-Generator |
| Model Y Performance | 2008–2026 | 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) | HV Main Contactor & Motor-Generator |
| Model Y Rear-Wheel Drive | 2008–2026 | 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) | HV Main Contactor & Motor-Generator |
| Model Y Juniper | 2008–2026 | 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) | HV Main Contactor & Motor-Generator |
| Model S (60 / 70D / 75D / 85 / 90D / 100D / P100D) | 2008–2026 | 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) | HV Main Contactor & Motor-Generator |
| Model S Long Range | 2008–2026 | 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) | HV Main Contactor & Motor-Generator |
| Model S Plaid | 2008–2026 | 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) | HV Main Contactor & Motor-Generator |
| Model X (75D / 90D / 100D / P100D) | 2008–2026 | 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) | HV Main Contactor & Motor-Generator |
| Model X Long Range | 2008–2026 | 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) | HV Main Contactor & Motor-Generator |
| Model X Plaid | 2008–2026 | 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) | HV Main Contactor & Motor-Generator |
| Cybertruck AWD | 2008–2026 | 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) | HV Main Contactor & Motor-Generator |
| Cybertruck Cyberbeast | 2008–2026 | 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) | HV Main Contactor & Motor-Generator |
| Roadster | 2008–2026 | Group 51R 12V AGM (2012–2021) / 16V Lithium-Ion Low-Voltage Battery (late 2021–2026) / 48V Architecture (Cybertruck) | Low-Voltage Auxiliary System (12.8V AGM or 15.5V–16V Li-Ion) | PCS (Power Conversion System) High-Voltage to Low-Voltage DC-DC Converter | High-Voltage Pyro Disconnect & Main Contactor Closure via 12V/16V Low-Voltage Rail |
