24/7 mobile jump start for your Jeep Wrangler 4xe (1970–2026) in Sacramento using Surge-Protected 2,500A Peak 12V Pro Booster Pack.
Jeep Grand Cherokee (WK2/WL): Main AGM + Aux battery are under the front passenger seat—always jump via the under-hood brass (+) post and negative (-) ground stud! Jeep Wrangler JL & Gladiator JT: Engine bay main AGM battery (with secondary ESS AUX14 battery underneath the fuse box).
2018–2026 Jeep Wrangler JL, Gladiator, and Grand Cherokee models have a small secondary ESS (Electronic Start/Stop) AUX14 battery and a high-current N1/N2 Z-Case fuse array. When the small Aux battery fails, it drains the main battery and blows the N3 fuse if jumped improperly.
Post-boost verification of 170A–240A Smart Alternator output (13.8V–14.8V on 12V; 27.6V–28.4V on 24V commercial).
| Generation | Battery Group | CCA | Alternator | Starter | System Notes |
|---|---|---|---|---|---|
| Wrangler 4xe (2021–2026) | Group 49 (H8) / 94R (H7) / Group 65 / 27F AGM | 760–950 CCA | 170A–240A Smart Alternator (14.2V–14.8V) | 1.8–2.4 kW Gear-Reduction Starter | Smart LIN/BSD Regulated AGM / Aux |
| Wrangler 4xe (2015–2020) | Group 49 (H8) / 94R (H7) / Group 65 / 27F AGM | 760–950 CCA | 170A–240A Smart Alternator (14.0V–14.6V) | 1.8–2.4 kW Gear-Reduction Starter | High-Reserve AGM / EFB Start-Stop |
| Wrangler 4xe (2008–2014) | Group 49 (H8) / 94R (H7) / Group 65 / 27F AGM | 760–950 CCA | 170A–240A Smart Alternator (13.8V–14.4V) | 1.8–2.4 kW Gear-Reduction Starter | High-CCA AGM / Lead-Acid |
| Wrangler 4xe (1998–2007) | Group 49 (H8) / 94R (H7) / Group 65 / 27F AGM | 760–950 CCA | 170A–240A Smart Alternator (13.8V–14.2V) | 1.8–2.4 kW Gear-Reduction Starter | OEM Group Lead-Acid / AGM |
| Wrangler 4xe (1980–1997) | Group 49 (H8) / 94R (H7) / Group 65 / 27F AGM | 760–950 CCA | 170A–240A Smart Alternator (13.6V–14.2V) | 1.8–2.4 kW Gear-Reduction Starter | Standard BCI High-CCA |