The Group 48 AGM battery segment is popular for modern vehicles with start-stop systems, demanding higher cycling performance and reliable cold-weather starts. This guide highlights top AGM options, focusing on capacity, CCA, RC, fitment, and durability. Each product is evaluated against common vehicle specs to help you choose a maintenance-free, long-lasting power source.
| Product | Brand | Capacity (Ah) | CCA | RC (min) | Approx. Fitment Notes |
|---|---|---|---|---|---|
| Weize Platinum AGM Battery BCI Group 48-12v 70ah H6 | WEIZE | 70 | 760 | 120 | Group 48/H6; Left negative, Right positive terminals |
| ACDelco Gold 48AGM | ACDelco | — | — | — | High-density negative paste; durable alloy |
| BCI Group 48 Car Battery 70Ah | 1AUTODEPOT | 70 | 760 | 120 | H6 size; Terminal positions noted |
| UPLUS BCI Group 48 AGM-L70-M | UPLUS NEW TECHNOLOGY BATTERY | 70 | 760 | 120 | Supports Start-Stop; H6 size |
| Mighty Max MM-H6 Start & Stop 70Ah | Mighty Max Battery | 70 | 760 | 120 | Group 48/H6; AGM design |
Note: All products listed are AGM batteries designed for Group 48 (H6) applications. Before purchasing, verify exact dimensions and terminal orientation to ensure compatibility with your vehicle’s battery tray and cable routing.
Weize Platinum AGM Battery BCI Group 48-12v 70Ah

The Weize BCI Group 48 AGM battery delivers 70Ah and 760 CCA, suitable for vehicles with Start-Stop systems or high electrical loads. It uses AGM construction for improved heat resistance and spill-free operation. Nominal voltage is 12V with a charging window of 14.4–15.0V. The battery dimensions are 10.94″ L × 6.89″ W × 7.48″ H, compatible with many Group 48/H6 trays. Terminal arrangement is Left negative and Right positive. Warranty coverage is listed as 36 months, reflecting confidence in durability.
Key considerations: verify fitment with your vehicle’s tray, measure length, width, and height, and confirm terminal positions before purchase. This battery is designed to handle extreme temperatures and high cycling requirements, making it a solid option for modern sedans and SUVs with demanding electrical needs.
ACDelco Gold 48AGM (88864541)

ACDelco Gold 48AGM is engineered for extended cycle life with a high-density negative paste and Silver Calcium or enhanced alloy formulations that reduce resistance and improve conductivity. This AGM design emphasizes durability and consistent starting power in varied climates. While exact Ah and CCA are not listed in the summary, the brand is recognized for robust performance and long service life, making it a common choice for modern vehicles with elevated electrical demands.
Considerations: verify CCA and RC ratings for your specific vehicle and ensure the dimensions align with your battery tray. The 48AGM is a trusted option where OEM or dealer-grade replacements are preferred for reliability and support.
BCI Group 48 Car Battery 70Ah by 1AUTODEPOT

This 70Ah, 12V AGM battery provides 760 CCA and 120 RC, with a 10.98″ L × 6.89″ W × 7.48″ H footprint and tapered terminals (Left negative, Right positive). The design aims for easy fitment in Group 48/H6 installations while delivering extended cycling life—up to approximately twice that of traditional flooded batteries. It supports charging at 14.4–15.0V and is suitable for cold climates with a wide operating temperature range.
Best-use scenarios include vehicles with frequent short trips, high electrical loads, or Start-Stop systems. Confirm exact tray fitment and terminal orientation before purchase to prevent fitment issues in the engine bay.
UPLUS BCI Group 48 AGM-L70-M

The UPLUS AGM-L70-M is built for vehicles requiring a Group 48 (H6) size with 70Ah capacity and 760 CCA. It emphasizes a four-times higher cycle life compared to standard flooded batteries, leveraging a high-density negative paste and enhanced alloys for durability. The battery measures around 10.98″ L × 6.81″ W × 7.51″ H with left negative and right positive terminals. It is designed to support Start-Stop functionality and higher electrical loads, including accessories like navigation and heated seats.
Practical considerations include ensuring compatibility with your vehicle’s electrical system and the tray space. The four-times cycle life claim highlights long-term value for drivers who frequently cycle their battery through starts and stops or spend time parked with devices drawing power.
Mighty Max MM-H6 Start & Stop 70Ah AGM

Mighty Max MM-H6 is designed for Start-Stop systems with 70Ah capacity and 760 CCA, delivering reliable starts across seasons. The battery features an AGM design that is sealed and spill-proof, supporting longer life and resistance to vibration. A 120-minute Reserve Capacity enhances run-time during electrical loads when the engine is off. The package emphasizes consistent performance under demanding conditions and rapid recharge capabilities after deep discharge events.
Fitment checks should include tray dimensions and terminal layout. This option is suitable for drivers seeking a robust, maintenance-free power source with a focus on reliability and long-term service life.
Renogy 12V 70Ah AGM Battery H6

Renogy’s 12V 70Ah AGM battery combines safety and performance in a compact H6 form factor. It delivers 720 CCA and 120 RC, with a strong emphasis on safety design to minimize acid leaks and corrosion. The battery is engineered to operate across a broad temperature range—from −22°F to 158°F—ensuring dependable starts in winter and stable performance in hot climates. The AGM construction supports reduced maintenance and improved resistance to vibration and leakage.
When selecting, compare your vehicle’s tray dimensions and ensure terminal positions match your original battery. Renogy is a recognized brand for off-the-shelf, reliable power for cars, SUVs, and light trucks with elevated electrical needs.
EBL BCI Group 48 70Ah AGM Battery

EBL’s Group 48 AGM battery provides 70Ah and 760 CCA, with precise dimensions of 10.94″ × 6.88″ × 7.48″ and a weight around 45.41 lbs. It keeps left negative and right positive terminals, aligning with typical Group 48/H6 installations. The design prioritizes high-performance cold-start capability and strong overall cycling strength, supported by AGM materials that resist heat and cold. It is marketed as maintenance-free and leakproof, making it suitable for vehicles with high electrical demands.
Purchase considerations include confirming terminal layout, tray compatibility, and ensuring the vehicle’s electrical system supports AGM-start-stop operation for optimal performance.
Buying Guide: Key Purchase Considerations
- Fitment and dimensions: Group 48/H6 batteries have specific length, width, and height. Measure your tray space and compare with the product specs to avoid fit issues.
- Terminal orientation: Many Group 48 batteries use left negative and right positive terminals. Confirm your cable routing and clamp orientation to ensure proper connection.
- CCA and RC: Cold Cranking Amps indicate starting power, while Reserve Capacity indicates runtime at idle. Vehicles with electrified accessories or Start-Stop systems benefit from higher CCA and RC.
- Maintenance and AGM benefits: AGM batteries are maintenance-free, spill-safe, and perform better in extreme temperatures. They tolerate vibration well and generally offer longer cycle life.
- Temperature range: If you drive in very hot or very cold conditions, prioritize models rated for wide operating temperatures (often −22°F to 158°F or similar).
- Cycle life: Some brands advertise up to 2x or 4x cycle life versus conventional flooded batteries. Consider your driving patterns and climate when evaluating this claim.
- Warranty and service: Check warranty length and terms. A longer warranty can provide peace of mind for frequent commuters and fleet owners.
- OEM compatibility: For vehicles with Start-Stop systems, using an AGM that matches the original type helps prevent compatibility issues and warning lights.