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BatteryClerk Prime FAST 1-2 day shipping to most of the USA
BatteryClerk Prime FAST 1-2 day shipping to most of the USA
SKU AJC-D18S-R-1-143956

Diehard 71988 12V 18Ah Jump Starter Replacement Battery

Original price $52.39 - Original price $52.39
Original price
$52.39
$52.39 - $52.39
Current price $52.39
Usually Ships in 1 Business Day
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Info
  • AJC® replacement compatible with Diehard 71988 Jump Starter Battery
  • Exact OEM replacement guaranteed to fit easily and precisely
  • Maintenance free AGM technology, no need to add acid or water ever
  • IMPORTANT: You MUST RE-USE: your existing cabling and hardware. These are replacement batteries only
  • NOTE: It is your responsibility to verify the batteries being ordered match the batteries in your unit prior to placing your order. We are not responsible for incorrect orders
  • UL Recognized Component
  • Buy with confidence. Our backed by easy 30-day returns and 12-month warranty
Disclaimer: Our products are not affiliated with or authorized by Diehard
Specs
  • AJC® Replacement Batteries
  • Part # AJC-D18S
  • Voltage: 12V (12 Volts)
  • Capacity: 18Ah
  • Terminals: NB
  • Chemistry: Sealed Lead Acid (AGM)
  • Length 7.09 in
  • Width 3.03 in
  • Height 6.57 in
  • Weight: 12.1 lbs

View Battery Specifications

Resources
  • Replacing Your Jump Starter Battery
  • Benefits of AJC® Replacement Batteries
  • Jump Starter AGM Battery Care
View Jump Starter Battery Resources
FAQs
  • What is the best replacement battery for the Diehard 71988 12V 18Ah Jump Starter Battery?

    The AJC-D18S-R-1-143956 is the best replacement battery for the Diehard 71988 12V 18Ah Jump Starter Battery.


  • What are the dimensions of the Diehard 71988 12V 18Ah Jump Starter Replacement Battery?

    The dimensions are L 7.09 x W3.03 x H 6.57 inches.


  • What is your return policy and battery warranty?

    Our batteries are backed by easy 30-day returns and a 12-month warranty.


  • How do I maintain my SLA battery?

    These batteries are maintenance-free and factory activated. It arrives fully sealed, charged and ready for action.


  • Do I need to add acid to this battery?

    No need to add acid or water, ever.


  • Do you have a wholesale, reseller and large volume purchase program?

    Yes, our bulk purchasing program saves you money and allow you to obtain the batteries you need in one easy, hassle-free transaction. Apply here.


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More About Jump Starter Batteries

Reliability When You Need It

Exact OEM replacements guaranteed to fit easily and precisely. Backed by easy 30-day returns and a 12-month warranty.

  • Reliable and Convenient Jump-Starting Power: Never be stranded with a dead car battery again. Our Portable Jump Starter Batteries provide reliable and convenient power to jump-start your vehicle in emergencies.
  • Peace of Mind in Critical Situations: Don't let a dying jump starter battery leave you in a bind. Our high-quality replacement jump starter batteries offer peace of mind, knowing that you have a dependable power source ready to revive your car battery whenever needed.
  • Affordable Solution without Compromising Quality: Finding an affordable replacement jump starter battery doesn't mean sacrificing reliability. Our cost-effective options deliver the perfect balance of affordability and quality, giving you a reliable power solution that won't break the bank.

Ratings and Reviews

Frequently Asked Questions

Have an unanswered question? Contact Us

Why are prices so low?

All we do is sell replacement batteries, we are very good at that!
Manufacturer's are not able to process smaller orders quickly and efficiently.
BatteryClerk specializes in processing any size order accurately and fast.

When do new orders ship?

All AJC Battery orders placed Monday-Friday leave our warehouse the same day if placed before 2PM EST.

If your order is placed Friday after 2PM through Sunday, your order will be shipped out Monday morning.

What is your warranty policy?

We stand behind our products with 30-day easy returns and a 12 month warranty. Lawn and tractor batteries have a 6 month warranty.

What is the BatteryClerk return policy?

View our return policy.

What battery do I need?

Please enter the brand and model number of your device or battery you need to replace in the search bar at the top of this page. 

As long as the voltage, terminals and dimensions match, then you will be able to use this as a compatible battery replacement option.

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