24/7 mobile battery boosting for all GMC (1965–2026) models in Sacramento. OEM Group 48 (H6), Group 94R (H7), Group 49 (H8) AGM, Group 78 (650–850 CCA (Single) / 1,600 CCA (Dual Duramax)), 150A–220A ACDelco Alternator charging check, and ECU-safe remote terminal connection.
Engine bay (Acadia 2007–2016 has battery behind passenger seat floor with under-hood remote boost terminal).
Sierra 1500/2500HD/3500HD and Yukon XL models have high-amperage Mega-Fuses on the battery distribution block that must be protected during jump starts.
BCI Group: Group 48 (H6), Group 94R (H7), Group 49 (H8) AGM, Group 78
CCA: 650–850 CCA (Single) / 1,600 CCA (Dual Duramax)
Alternator: 150A–220A ACDelco Alternator
Starter: 1.6 kW – 2.8 kW Delco Starter
Tap any model badge for its dedicated year-by-year specification page:
| Model / Badge | Years | Battery Group | CCA | Alternator | Starter |
|---|---|---|---|---|---|
| Acadia | 1965–2026 | Group 48 (H6), Group 94R (H7), Group 49 (H8) AGM, Group 78 | 650–850 CCA (Single) / 1,600 CCA (Dual Duramax) | 150A–220A ACDelco Alternator | 1.6 kW – 2.8 kW Delco Starter |
| Canyon | 1965–2026 | Group 48 (H6), Group 94R (H7), Group 49 (H8) AGM, Group 78 | 650–850 CCA (Single) / 1,600 CCA (Dual Duramax) | 150A–220A ACDelco Alternator | 1.6 kW – 2.8 kW Delco Starter |
| Envoy | 1965–2026 | Group 48 (H6), Group 94R (H7), Group 49 (H8) AGM, Group 78 | 650–850 CCA (Single) / 1,600 CCA (Dual Duramax) | 150A–220A ACDelco Alternator | 1.6 kW – 2.8 kW Delco Starter |
| Envoy XL | 1965–2026 | Group 48 (H6), Group 94R (H7), Group 49 (H8) AGM, Group 78 | 650–850 CCA (Single) / 1,600 CCA (Dual Duramax) | 150A–220A ACDelco Alternator | 1.6 kW – 2.8 kW Delco Starter |
| Hummer EV Pickup | 1965–2026 | 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 |
| Hummer EV SUV | 1965–2026 | 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 |
| Jimmy | 1965–2026 | Group 48 (H6), Group 94R (H7), Group 49 (H8) AGM, Group 78 | 650–850 CCA (Single) / 1,600 CCA (Dual Duramax) | 150A–220A ACDelco Alternator | 1.6 kW – 2.8 kW Delco Starter |
| Rally Wagon | 1965–2026 | Group 48 (H6), Group 94R (H7), Group 49 (H8) AGM, Group 78 | 650–850 CCA (Single) / 1,600 CCA (Dual Duramax) | 150A–220A ACDelco Alternator | 1.6 kW – 2.8 kW Delco Starter |
| S15 | 1965–2026 | Group 48 (H6), Group 94R (H7), Group 49 (H8) AGM, Group 78 | 650–850 CCA (Single) / 1,600 CCA (Dual Duramax) | 150A–220A ACDelco Alternator | 1.6 kW – 2.8 kW Delco Starter |
| Safari | 1965–2026 | Group 48 (H6), Group 94R (H7), Group 49 (H8) AGM, Group 78 | 650–850 CCA (Single) / 1,600 CCA (Dual Duramax) | 150A–220A ACDelco Alternator | 1.6 kW – 2.8 kW Delco Starter |
| Savana 1500 | 1965–2026 | Group 48 (H6), Group 94R (H7), Group 49 (H8) AGM, Group 78 | 650–850 CCA (Single) / 1,600 CCA (Dual Duramax) | 150A–220A ACDelco Alternator | 1.6 kW – 2.8 kW Delco Starter |
| Savana 2500 | 1965–2026 | 2x Group 65 / 2x Group 49 (H8) / 2x Group 31 | 1,500–1,900 CCA Dual-Battery Bank | 220A–330A Heavy-Duty Fleet Alternator | 2.5–3.8 kW High-Compression Diesel Starter |
| Savana 3500 | 1965–2026 | 2x Group 65 / 2x Group 49 (H8) / 2x Group 31 | 1,500–1,900 CCA Dual-Battery Bank | 220A–330A Heavy-Duty Fleet Alternator | 2.5–3.8 kW High-Compression Diesel Starter |
| Savana 4500 | 1965–2026 | 2x Group 65 / 2x Group 49 (H8) / 2x Group 31 | 1,500–1,900 CCA Dual-Battery Bank | 220A–330A Heavy-Duty Fleet Alternator | 2.5–3.8 kW High-Compression Diesel Starter |
| Sierra 1500 | 1965–2026 | Group 49 (H8) / 94R (H7) / Group 65 / 27F AGM | 760–950 CCA | 170A–240A Smart Alternator | 1.8–2.4 kW Gear-Reduction Starter |
| Sierra 2500HD (6.6L Duramax) | 1965–2026 | 2x Group 65 / 2x Group 49 (H8) / 2x Group 31 | 1,500–1,900 CCA Dual-Battery Bank | 220A–330A Heavy-Duty Fleet Alternator | 2.5–3.8 kW High-Compression Diesel Starter |
| Sierra 3500HD | 1965–2026 | 2x Group 65 / 2x Group 49 (H8) / 2x Group 31 | 1,500–1,900 CCA Dual-Battery Bank | 220A–330A Heavy-Duty Fleet Alternator | 2.5–3.8 kW High-Compression Diesel Starter |
| Sonoma | 1965–2026 | Group 48 (H6), Group 94R (H7), Group 49 (H8) AGM, Group 78 | 650–850 CCA (Single) / 1,600 CCA (Dual Duramax) | 150A–220A ACDelco Alternator | 1.6 kW – 2.8 kW Delco Starter |
| Suburban | 1965–2026 | Group 49 (H8) / 94R (H7) / Group 65 / 27F AGM | 760–950 CCA | 170A–240A Smart Alternator | 1.8–2.4 kW Gear-Reduction Starter |
| Syclone | 1965–2026 | Group 48 (H6), Group 94R (H7), Group 49 (H8) AGM, Group 78 | 650–850 CCA (Single) / 1,600 CCA (Dual Duramax) | 150A–220A ACDelco Alternator | 1.6 kW – 2.8 kW Delco Starter |
| Terrain | 1965–2026 | Group 48 (H6), Group 94R (H7), Group 49 (H8) AGM, Group 78 | 650–850 CCA (Single) / 1,600 CCA (Dual Duramax) | 150A–220A ACDelco Alternator | 1.6 kW – 2.8 kW Delco Starter |
| TopKick C4500 / C5500 / C6500 / C7500 | 1965–2026 | 2x Group 65 / 2x Group 49 (H8) / 2x Group 31 | 1,500–1,900 CCA Dual-Battery Bank | 220A–330A Heavy-Duty Fleet Alternator | 2.5–3.8 kW High-Compression Diesel Starter |
| Typhoon | 1965–2026 | Group 48 (H6), Group 94R (H7), Group 49 (H8) AGM, Group 78 | 650–850 CCA (Single) / 1,600 CCA (Dual Duramax) | 150A–220A ACDelco Alternator | 1.6 kW – 2.8 kW Delco Starter |
| Vandura | 1965–2026 | Group 48 (H6), Group 94R (H7), Group 49 (H8) AGM, Group 78 | 650–850 CCA (Single) / 1,600 CCA (Dual Duramax) | 150A–220A ACDelco Alternator | 1.6 kW – 2.8 kW Delco Starter |
| W3500 / W4500 / W5500 Forward | 1965–2026 | 2x Group 65 / 2x Group 49 (H8) / 2x Group 31 | 1,500–1,900 CCA Dual-Battery Bank | 220A–330A Heavy-Duty Fleet Alternator | 2.5–3.8 kW High-Compression Diesel Starter |
| Yukon | 1965–2026 | Group 49 (H8) / 94R (H7) / Group 65 / 27F AGM | 760–950 CCA | 170A–240A Smart Alternator | 1.8–2.4 kW Gear-Reduction Starter |
| Yukon Denali | 1965–2026 | Group 49 (H8) / 94R (H7) / Group 65 / 27F AGM | 760–950 CCA | 170A–240A Smart Alternator | 1.8–2.4 kW Gear-Reduction Starter |
| Yukon XL 1500 | 1965–2026 | Group 49 (H8) / 94R (H7) / Group 65 / 27F AGM | 760–950 CCA | 170A–240A Smart Alternator | 1.8–2.4 kW Gear-Reduction Starter |
| Yukon XL 2500 | 1965–2026 | 2x Group 65 / 2x Group 49 (H8) / 2x Group 31 | 1,500–1,900 CCA Dual-Battery Bank | 220A–330A Heavy-Duty Fleet Alternator | 2.5–3.8 kW High-Compression Diesel Starter |
