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1205 E Main St
Columbus, OH 43205
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DieHard HD Battery Farm and Truck Battery: 31S Group Size, 950 CCA, 1140 CA, 175 Minute Reserve Capacity, Heavy Duty

Part # 31S30
$159.99
+ $27.00 Refundable Core
$186.99
Excluded from discounts
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Product Information

Product Details
Part No. 31S30
These batteries do the job for commercial trucks, heavy duty and agricultural applications.

Product Features:
  • Up to 2x the life of a standard flooded battery.
  • Patented stamped grid technology in both positive and negative grids, resulting in superior performance and longer life in high heat and demanding environments.
  • Superior vibration resistance
  • Certified NONSPILLABLE for safety and flexibility in mounting location.
  • The heavy duty internal connectors ensure a solid connection between plates and top lead, enabling better internal electric flow
Specifications
Cold Cranking Amperage:
950

Cranking Amperage:
1140

Height:
9.437 in

Length:
13.0 in

Reserve Capacity:
175

Voltage:
12.0

Width:
6.812 in

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4.44 out of 5
158 Customer Reviews
76% of respondents would recommend this to a friend
Ratings Distribution
5 Stars
116
4 Stars
22
3 Stars
6
2 Stars
1
1 Star
13
Yes I would buy this batteries againI used 4 of these on my Freightliner, bad in 22 months.I used 4 of these on my Freightliner, bad in 22 months.
Autocraft Battery Farm and Truck
Pros
9
Can Withstand Use
2
Versatile
1
Good Starting Battery For
1
Improves Comfort
1
Improves Performance
Cons
2
None
1
Poor Value
1
Very Heavy
1
Wasn't free
1
925CCA specs are wrong
Best Uses
5
Truck
3
RV
1
Works for my motorhome
1
Boating / Sailing
1
Tractors
Car/Motorcycle Describe yourself
4
Auto Enthusiast
4
Truck Enthusiast
3
Casual Driver
3
Mechanic
1
Weekend mechanic
Most Liked Positive Review
Autocraft Battery Farm and Truck
Strong heavy battery good for starting buses or trucks!!!
Most Liked Negative Review
Do Not Buy For Commercial Use
Since AAP does not warranty their parts for commercial use their one year printed on the receipt is not worth the paper is printed on.
Reviewed by 158 Customers
Not enough time to evaluate
Submitted 2 months ago
Associate was extremely helpful and knowledgeable
Bottom Line Yes, I would recommend to a friend
Semi truck battery
Submitted 2 months ago
Not bad
Bottom Line Yes, I would recommend to a friend
Yes I would buy this batteries again
Submitted 5 months ago
This diehard batteries where 100 dollars more expensive at the truck stop. So I saved big. Thank you so much advanced auto parts!!!
Bottom Line Yes, I would recommend to a friend
When you don't have a choice
Submitted 6 months ago
I have no other options but to buy these trash.
Bottom Line No, I would not recommend to a friend
(LSV) low speed vehicle battery
Submitted 7 months ago
Hevy but works
Bottom Line Yes, I would recommend to a friend
Displaying Reviews 1 - 5Back to Top

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What size studs are on this battery. Diameter and thread pitch.
Verified Reply - Solomon
Hi Mark, happy to help you! This DieHard HD Battery Farm and Truck Battery (Part # 31S30) has a height of 9 7/16"-inches, length of 13"-inches and the width of 6 13/16"-inches. Since the manufacturer does not list any information about studs diameter. For more information, please feel free to call us at: 1-877-ADVANCE (238-2623) or contact our "Live Chat" support and one of our Parts Pros will gladly assist you with any questions or concerns you may have.
How many amp hour is the 31S30 battery?
Verified Reply - Solomon
Hi Mike, happy to help you! This DieHard HD Battery Farm and Truck Battery (Part # 31S30) is rated about 81 amp hour.
Is this a lithuim battery
Verified Reply - Steve
Hi Donnie, I'm glad to help you! This DieHard HD Battery Farm and Truck Battery (Part # 31S30) is a lead acid battery.
I just purchased 2 31s30 batteries can they be used on my sususki 300 hp outboard boat engines if not can I return them and exchange them for another battery
Verified Reply - Solomon
Hi Nick, happy to help you! This DieHard HD Battery Farm and Truck Battery (Part # 31S30) does not fit your Sususki 300HP Outboard boat engines. You can exchange any item with original purchase receipt within 45 days as NEW requires that item must be in original condition and packaging, unopened and uninstalled, including all original materials supplied with the item. Returns that do not meet these criteria will be denied. Items returned for warranty may be exchanged or refunded at our discretion. Credit will be issued to the same card used for purchase; card must be present at time of return.
Since this battery is a lead-acid design, should it have a vent tube? There's a small port on the edge of the cover that looks like a vent, but no information on the battery as to venting (especially if used in closed battery box) and no vent tube was included.
Verified Reply - Steve
Hi Elwood, I'm glad to help you! This DieHard HD Battery Farm and Truck Battery (Part # 31S30) comes with a vent port and it can be vented to outside of vehicle according to the vehicle owner's manual for the exact specifications to get better and safer results.
Displaying Question & Answer 1-5

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