--- title: "2019-2025 Chevrolet Silverado 1500 Battery Size and CCA" description: "The 2019-2025 Chevrolet Silverado 1500 uses a BCI group 48 (H6) battery. Fitment, replacement notes, and what to check before you buy." url: "https://whichcarparts.com/cars/chevrolet/silverado-1500/2019-2025/battery" updated: "2026-08-20" --- # 2019-2025 Chevrolet Silverado 1500 Battery Size (BCI Group and CCA) The 2019-2025 Chevrolet Silverado 1500 uses a BCI group 48 (H6) battery. Fitment, replacement notes, and what to check before you buy. **Quick answer**: The 2019-2025 Chevrolet Silverado 1500 uses a Group 48 (H6) battery, AGM required. ## 2019-2025 Chevrolet Silverado 1500 battery specifications (High confidence) | Spec | Value | | --- | --- | | BCI group size | 48 (H6) | | Battery type | AGM | | AGM required | Factory AGM | | Location | Engine bay, driver side | Note: Trucks with auto stop/start (most retail configurations) use a Group 48/H6 AGM (~70 Ah, 760 CCA) and should be replaced with AGM only; fleet trucks without stop/start use a flooded H6. Some diesels add a second (auxiliary) battery. No scan-tool registration required, but disconnect procedures apply. See the manual. ## Which Chevrolet Silverado 1500 model years does this cover? These battery specifications apply to every Chevrolet Silverado 1500 built from 2019 through 2025, the T1XX (4th generation), full-size half-ton pickup (regular, double, crew cab); interior refresh 2022. Nothing in this specification changes between those model years. - [2019 Silverado 1500](https://whichcarparts.com/cars/chevrolet/silverado-1500/2019) - [2020 Silverado 1500](https://whichcarparts.com/cars/chevrolet/silverado-1500/2020) - [2021 Silverado 1500](https://whichcarparts.com/cars/chevrolet/silverado-1500/2021) - [2022 Silverado 1500](https://whichcarparts.com/cars/chevrolet/silverado-1500/2022) - [2023 Silverado 1500](https://whichcarparts.com/cars/chevrolet/silverado-1500/2023) - [2024 Silverado 1500](https://whichcarparts.com/cars/chevrolet/silverado-1500/2024) - [2025 Silverado 1500](https://whichcarparts.com/cars/chevrolet/silverado-1500/2025) ## What changed during the 2019-2025 Chevrolet Silverado 1500 | Years | What changed | | --- | --- | | 2019 | Generation launch: 2.7L Turbo debuts, 5.3L/6.2L gain DFM, 4.3L V6 and 6-speed carry over on base trims | | 2020 | 3.0L Duramax LM2 diesel arrives; 6.2L/diesel use the 10L80 10-speed | | 2021 | Last year for the 4.3L V6 (fleet/base); multi-flex tailgate spreads | | 2022 | Major refresh: all-new interior with 13.4-in Google infotainment, ZR2 flagship debuts, Super Cruise on High Country; LED lamps standard on most retail trims | | 2023 | 2.7L becomes 'TurboMax' (430 lb-ft); LZ0 Duramax replaces LM2 (305 hp, 200k-mi oil-pump belt) | | 2024-2025 | Carryover years; 2021-2024 6.2L trucks swept into recall 25V-274 in April 2025 | ## 2019-2025 Chevrolet Silverado 1500 battery: common questions ### What size battery does a 2019-2025 Chevrolet Silverado 1500 take? BCI group 48 (H6). Group size is a physical dimension and terminal-position standard, so a battery from a different group may not clamp down or may put the terminals on the wrong side. ### Does the 2019-2025 Chevrolet Silverado 1500 need an AGM battery? The factory battery is an AGM type. Match the type when you replace it. ### Where is the battery on a 2019-2025 Chevrolet Silverado 1500? Engine bay, driver side. ### Does a 2019-2025 Chevrolet Silverado 1500 need the battery registered after replacement? Trucks with auto stop/start (most retail configurations) use a Group 48/H6 AGM (~70 Ah, 760 CCA) and should be replaced with AGM only; fleet trucks without stop/start use a flooded H6. Some diesels add a second (auxiliary) battery. No scan-tool registration required, but disconnect procedures apply. See the manual. ## Sources - [GM TechLink, official 2019/2020 engine oil capacity chart (all T1XX engines)](https://gm-techlink.com/wp-content/uploads/2024/11/TechLink-engine-oil-capacities-2019-2020_C.pdf) - [NHTSA Part 573 report, recall 25V-274, 6.2L L87 engine failure](https://static.nhtsa.gov/odi/rcl/2025/RCLRPT-25V274-1598.PDF) - [GM Authority, Silverado/Sierra 6.2L L87 recall coverage](https://gmauthority.com/blog/2025/04/chevy-silverado-gmc-sierra-recalled-for-6-2l-v8-engine-loss-of-propulsion/) - [Blauparts, 2020-2025 Silverado 3.0L LM2/LZ0 oil change kit (dexosD 0W-20)](https://www.blauparts.com/chevrolet-silverado-1500-oil-change-kit-3-0l-lm2-lz0-duramax-diesel-0w20-dexosd.html) - [Duramax Forum, LM2 oil pump belt 150,000-mi service](https://www.duramaxforum.com/threads/oil-pump-belt-on-lm2.1016808/) - [Costa Oils, 2020 Silverado 2.7L (L3B) oil change guide (PF66)](https://costaoils.com/2020-chevrolet-silverado-1500-pickup-2-7l-oil-change-guide/) - [AutoZone, 2020 Silverado 1500 battery fitment (Group 48/H6, AGM)](https://www.autozone.com/batteries-starting-and-charging/battery/chevrolet/silverado-1500/2020) - [Goodyear, 2019 Silverado Custom Trail Boss OE tire (LT275/65R18)](https://www.goodyear.com/en_US/vehicle-search/Chevrolet_Silverado-1500_2019_Custom-Trail-Boss_256968-S-161259) - [Wheel-Size.com, 2019 Silverado 1500 OE fitments](https://www.wheel-size.com/size/chevrolet/silverado-1500/2019/) - [XenonPro, 2019-2021 Silverado bulb size chart (H11 low / 9005 high, halogen trims)](https://www.xenonpro.com/blogs/home/2019-to-2021-chevy-silverado-1500-headlight-bulb-sizes) - [Cox Chevrolet, Silverado 1500 towing capacity by engine/year](https://www.coxchevy.com/manufacturer-information/chevrolet-silverado-1500-towing-capacity/) ## Other Chevrolet Silverado 1500 generations - [2014-2018 Chevrolet Silverado 1500 battery](https://whichcarparts.com/cars/chevrolet/silverado-1500/2014-2018/battery) - [2012-2013 Chevrolet Silverado 1500 battery](https://whichcarparts.com/cars/chevrolet/silverado-1500/2012-2013/battery) Or [compare all generations](https://whichcarparts.com/cars/chevrolet/silverado-1500/battery). ## More for the 2019-2025 Chevrolet Silverado 1500 - [Oil & filter](https://whichcarparts.com/cars/chevrolet/silverado-1500/2019-2025/oil) - [Tires & wheels](https://whichcarparts.com/cars/chevrolet/silverado-1500/2019-2025/tires) - [Wiper blades](https://whichcarparts.com/cars/chevrolet/silverado-1500/2019-2025/wipers) - [Air & cabin filters](https://whichcarparts.com/cars/chevrolet/silverado-1500/2019-2025/filters) - [Bulbs](https://whichcarparts.com/cars/chevrolet/silverado-1500/2019-2025/bulbs) - [Fluids](https://whichcarparts.com/cars/chevrolet/silverado-1500/2019-2025/fluids) - [Service schedule](https://whichcarparts.com/cars/chevrolet/silverado-1500/2019-2025/service-schedule) - [Problems & reliability](https://whichcarparts.com/cars/chevrolet/silverado-1500/2019-2025/common-problems) - [Oil light reset](https://whichcarparts.com/cars/chevrolet/silverado-1500/2019-2025/oil-reset) - [Key fob battery](https://whichcarparts.com/cars/chevrolet/silverado-1500/2019-2025/key-fob-battery) - [Specs](https://whichcarparts.com/cars/chevrolet/silverado-1500/2019-2025/specs) Specifications vary with engine option, production date, and market.