8 Best Group 48 (H6) Batteries, October 2026
The best Group 48 H6 car batteries include the ACDelco Gold 48AGM for an established AGM option, the Weize Platinum AGM Group 48 for start-stop vehicles, and the Mighty Max MM-H6 (Group 48) for flexible mounting.
On this page (6 sections)
The ACDelco Gold 48AGM is our top Group 48 battery pick, with an AGM design and a 36-month free replacement period. For higher accessory demand, compare the Optima YellowTop DH6; for a stated 70 Ah and 760 CCA, several other options offer a similar feature set.
Group 48 is also called H6. The label narrows the search, but you still need to match the tray dimensions, terminal position, battery type and vehicle’s starting requirements.
If you’re unsure whether H6 fits your car, start with our guide to finding the right car battery size. For the difference between H6 and a nearby size, see Group 48 vs 94R.
Our picks at a glance
-
1
-
2
-
3
How we chose these Group 48 batteries
We compared the stated fit details, battery type, starting and reserve figures, warranty terms and features that matter for common vehicle needs.
Group size alone does not prove compatibility. Confirm your vehicle’s required battery type, minimum CCA, dimensions and terminal arrangement before choosing a replacement.
Group 48 battery specifications at a glance
The main differences are stated CCA, reserve capacity, warranty terms and mounting details. Use the table to narrow the choices, then verify the exact fit for your vehicle.
| Product | Best for | Battery type | Voltage | Warranty | Our score |
|---|---|---|---|---|---|
| ACDelco Gold 48AGM | an established AGM option | Silver-Calcium | 12 V | 36-month free replacement / limited warranty | 9.0 |
| Weize Platinum AGM Group 48 | start-stop vehicles | 8.3 | |||
| Mighty Max MM-H6 (Group 48) | flexible mounting | 8.0 | |||
| Optima YellowTop DH6 | high accessory loads | 7.9 | |||
| UPLUS AGM Group 48 | frequent short trips | 7.8 | |||
| Goodyear Platinum AGM Group 48 | multiple mounting positions | 7.8 | |||
| Autocessking AGM Group 48 | a sealed starting battery | 7.7 | |||
| Daakmax Platinum AGM Group 48 | a stated temperature range | 7.6 |
The best Group 48 batteries for different needs
These Group 48 picks suit different priorities, from a defined replacement period to higher stated CCA or flexible mounting. Choose based on your vehicle’s requirements first, then compare the features that matter to you.
ACDelco Gold 48AGM: Best for an established AGM option
- Group 48/H6 fit for select vehicles
- 36-month free replacement period
- Silver-Calcium battery type
- Vent cap design that resists acid leakage
The 48AGM is a Group 48/H6 option for select makes and models. ACDelco describes high cycling capability and a vent cap designed to resist acid leakage.
Pros
- 36-month free replacement period
- High-density negative paste
- Puncture-resistant separator back
Cons
- Confirm vehicle fit and terminal layout
- No CCA figure included here
The ACDelco Gold 48AGM is our leading pick for drivers who want a Group 48/H6 option with a stated replacement period. ACDelco describes high cycling capability and a design intended for start-stop applications.
Its Silver-Calcium type and high-density negative paste are specific construction details, while the separator is designed to support acid circulation and resist punctures. ACDelco also describes a vent cap intended to resist acid leakage.
The manufacturer gives a 36-month free replacement period with limited warranty terms. The product information identifies select makes and models, including Audi, VW, Mercedes-Benz, Ford and Kia, but check your exact year, engine and trim.
Choose it if the fit is confirmed and the replacement period matters to you. The provided product details do not include a CCA figure, so compare against your vehicle’s required minimum before buying.
Weize Platinum AGM Group 48: Best for start-stop vehicles
- Group 48 size
- 70 Ah and 760 CCA stated
- 120-minute reserve capacity
- 3-year warranty
Weize specifies Group 48 dimensions, a tapered terminal layout and AGM construction for start-stop applications. Compare the dimensions and polarity with your current battery.
Pros
- 70 Ah capacity and 760 CCA stated
- 120-minute reserve capacity
- 3-year warranty
Cons
- Not designed for deep-cycle solar or marine use
- Check the vehicle's required CCA
Weize suits drivers whose vehicle calls for Group 48 and start-stop service, with stated figures of 70 Ah, 760 CCA and 120 minutes of reserve capacity. Its size is 10.94 x 6.89 x 7.48 inches, with negative on the left and positive on the right.
The battery is described as leak-proof and non-spillable, and Weize specifies a 3-year warranty. The brand also says the design is intended for vehicles with start-stop systems or higher electrical accessory loads.
This is a starting battery, not a deep-cycle choice for solar or marine use. Compare the current battery’s terminal positions and your car’s minimum CCA before deciding.
Mighty Max MM-H6 (Group 48): Best for flexible mounting
- 70 Ah and 760 CCA
- 120-minute reserve capacity
- Mounts in multiple positions except upside down
- 3-year warranty
The MM-H6 combines a stated 70 Ah capacity and 760 CCA with a sealed AGM design. It can be mounted in multiple positions, except upside down.
Pros
- Multiple mounting positions
- 120-minute reserve capacity
- Mounting screws included
Cons
- Wire harness and mounting accessories are not included
- Confirm terminal and vehicle fit
Mighty Max MM-H6 gives you a Group 48 AGM with 70 Ah, 760 CCA and 120 minutes of reserve capacity. It measures 10.94 x 6.88 x 7.48 inches and can be mounted in multiple positions, except upside down.
The sealed, spill-proof design and stated resistance to shock and vibration may matter if the vehicle’s battery location is exposed to movement. Mounting screws are included, while the wire harness and mounting accessories are not.
Mighty Max states a 3-year warranty. Confirm terminal type and orientation, plus the hold-down setup, before you buy.
Optima YellowTop DH6: Best for high accessory loads
- 800 CCA
- 140-minute reserve capacity
- 72 Ah C20 capacity
- 36-month guarantee
Optima presents the YellowTop DH6 as a dual-purpose AGM battery for vehicles with high electrical demands. Its stated 800 CCA and 140-minute reserve capacity stand out in this group.
Pros
- Highest stated CCA among these picks
- 140-minute reserve capacity
- 36-month guarantee
Cons
- Confirm fit and terminal type
- Dual-purpose design may exceed a basic starting battery need
Optima YellowTop DH6 stands out for the highest stated CCA in this group: 800 A, along with 140 minutes of reserve capacity and 72 Ah C20 capacity. Optima positions it as a dual-purpose AGM for vehicles with high electrical demand.
Its dimensions are 10.94 x 6.89 x 7.48 inches, and the stated terminals are DIN Type A1. Optima describes PureFlow technology and claims vibration resistance compared with standard flooded batteries.
The battery includes a 36-month guarantee. Consider it when the vehicle’s requirements and terminal setup match, and its additional reserve and dual-purpose design suit your use.
UPLUS AGM Group 48: Best for frequent short trips
- 70 Ah and 760 CCA
- 120-minute reserve capacity
- Designed for start-stop vehicles
- 3-year warranty
UPLUS says this Group 48 AGM is intended for start-stop vehicles, frequent short trips and large electrical loads. Its dimensions and left-negative, right-positive layout need to match your tray and cables.
Pros
- 760 CCA and 120-minute reserve capacity
- Terminal layout is specified
- 3-year warranty
Cons
- Check fit dimensions carefully
- No deep-cycle use guidance included
UPLUS is aimed at start-stop vehicles, frequent short trips and cars with larger electrical loads. It states 70 Ah, 760 CCA and 120 minutes of reserve capacity, with dimensions of 10.98 x 6.81 x 7.51 inches.
The terminal layout is left negative and right positive. UPLUS describes high-density negative paste, a silver-calcium stamped alloy and a 3-year warranty.
Measure the tray and compare cable reach before choosing it, since its dimensions differ slightly from other Group 48 options. It may suit you if those fit details match and your car’s minimum CCA is met.
Goodyear Platinum AGM Group 48: Best for multiple mounting positions
- 70 Ah and 760 CCA
- 120-minute reserve capacity
- Multiple mounting positions except upside down
- 36-month warranty
Goodyear specifies a 70 Ah Group 48 AGM with 760 CCA and a 120-minute reserve capacity. It allows multiple mounting positions except upside down.
Pros
- 36-month warranty
- Mounting screws included
- Physical dimensions are stated
Cons
- Wire harness and mounting accessories are not included
- Check terminal placement against the old battery
Goodyear Platinum AGM states 70 Ah, 760 CCA and 120 minutes of reserve capacity. It measures 10.75 x 6.87 x 7.50 inches, making careful dimension checks useful when replacing a battery in a tight tray.
The battery can be installed in multiple positions except upside down, and Goodyear describes the AGM construction as spill-proof. The package includes screws, but not a wire harness or mounting accessories.
Goodyear gives a 36-month warranty. Compare the positive and negative terminal positions with your current setup before choosing this battery.
Autocessking AGM Group 48: Best for a sealed starting battery
- 12 V Group 48 size
- 70 Ah, 760 CCA and 120-minute reserve capacity stated
- AGM design
- 3-year warranty
Autocessking describes this as a leak-proof AGM starting battery for Group 48 applications. It is not intended for deep-cycle solar, RV or marine use.
Pros
- 3-year warranty
- Dimensions are stated
- Starting-battery purpose is clear
Cons
- Verify the vehicle-specific fit
- Not intended for deep-cycle applications
Autocessking describes this Group 48 AGM as a starting battery with 70 Ah, 760 CCA and 120 minutes of reserve capacity. Its dimensions are 11 x 6.9 x 7.5 inches, and the stated warranty is 3 years.
The brand describes a leak-proof design and says the battery is intended for vehicle starting rather than deep-cycle use. That makes it a poor match for solar, RV or marine deep-cycle needs.
Check your vehicle’s fit requirements and terminal arrangement before choosing it. If the dimensions and electrical requirements match, its stated warranty and AGM format may suit a regular starting role.
Daakmax Platinum AGM Group 48: Best for a stated temperature range
- 70 Ah and 760 CCA
- 120-minute reserve capacity
- 36-month warranty
- Operating range stated as -22°F to 158°F
Daakmax specifies Group 48 dimensions, a tapered terminal layout and a 3-year warranty. It also gives an operating temperature range for buyers comparing climate conditions.
Pros
- Temperature range is stated
- 760 CCA and 120-minute reserve capacity
- 3-year warranty
Cons
- Not intended for deep-cycle use
- Match terminal position and dimensions before buying
Daakmax gives a clear set of fit details: Group 48, 10.94 x 6.89 x 7.48 inches, with negative on the left and positive on the right. Its stated 70 Ah, 760 CCA and 120-minute reserve capacity align with several other options here.
Daakmax specifies an operating range from -22°F to 158°F and a 3-year warranty. It also describes the battery as a starting battery, not one for deep-cycle solar or marine use.
This pick may fit buyers who want a published temperature range to compare with their vehicle’s conditions. Confirm battery type, terminal position and the vehicle’s CCA requirement before ordering.
How do you confirm Group 48 battery fit?
Confirm fit by checking the vehicle’s required group size, battery dimensions, terminal layout, battery chemistry and minimum CCA. A Group 48 label is a useful starting point, not a substitute for the vehicle’s specifications.
Measure the old battery’s length, width and height, then check which side has the positive terminal. The hold-down and cable reach must also work with the replacement.
If your vehicle has start-stop equipment, follow its specified battery type and replacement steps. Some vehicles also require battery registration or charging-system adjustments, so check the owner’s manual or service information.
Our car battery replacement guide covers the checks to make before buying and installing a new battery. For vehicle-specific guidance, see what battery a Chevy Silverado 1500 needs or what battery a Honda CR-V needs.
Is AGM the right type for your vehicle?
AGM is the right choice when your vehicle requires it or its approved specifications allow it. Match the factory battery type and charging needs before switching from flooded lead acid to AGM.
AGM batteries hold electrolyte in glass mat separators rather than free-flowing liquid. Several picks here describe sealed or spill-resistant construction, but designs and warranty terms vary by brand.
For a broader comparison of battery chemistries, read our AGM vs lead acid battery guide. If your current battery is already AGM, our guide on whether you can put an AGM battery in your car explains the fit and system checks.
Which Group 48 battery should you choose?
Choose the ACDelco Gold 48AGM if its fit is confirmed and you value its stated 36-month free replacement period. The Optima YellowTop DH6 is the one to compare for its 800 CCA and 140-minute reserve capacity, while the Weize, Mighty Max, UPLUS, Goodyear, Autocessking and Daakmax options state 760 CCA.
Before you order, match dimensions, terminal position, battery type and minimum CCA to your vehicle. If the car needs another group size, use our complete car battery size guide to compare alternatives.
Our top 3 picks at a glance
-
1
-
2
-
3
Frequently asked questions
Are Group 48 and H6 batteries the same size?
Group 48 is commonly paired with the H6 label, but confirm the battery dimensions and terminal layout for your vehicle. Fit depends on the tray, hold-down and cable reach as well as the group name.
Check your owner’s manual or current battery before ordering.
What should I check before buying a Group 48 battery?
Check that your vehicle calls for Group 48 or H6, then compare battery dimensions, terminal position, battery type and minimum CCA. The vehicle maker’s requirements take priority over a battery’s general fit label.
Our car battery size guide explains how to verify the match.
Can I replace a flooded battery with an AGM Group 48?
Only if the vehicle supports AGM and the Group 48 battery meets its fit and electrical requirements. Check the owner’s manual for battery type and any charging-system or battery-registration steps.
Read our AGM vs lead acid guide before changing battery type.
How much CCA does a Group 48 battery need?
Use the minimum cold cranking amps required for your exact vehicle, engine and climate. Several picks here state 760 CCA, while the Optima YellowTop DH6 states 800 CCA, but a higher number alone does not confirm fit.
See our CCA guide for help comparing requirements.
