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Interstate Batteries Automotive Battery 12V 63Ah (Group 34) 800CCA SLI Pure Lead AGM Automobile Replacement Battery for Cars, SUVs, Sedans, Trucks, Vans (MTZ-34)

  • Based on 390 reviews
Condition: New
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Style: Group Size 34


Features

  • AUTOMOTIVE PURE LEAD AGM: Download the Compatibility Guide below under Product Guides & Documents to learn more and verify fit. Interstate Batteries MTZ line delivers more than 10,000 starts at 5% depth of discharge (DOD). Designed for automobiles requiring an AGM battery, or having lots of accessories and plug-ins. 800 cold cranking amps (CCA), 3X more life than flooded batteries and 40% more cranking power, making them Outrageously Dependable
  • 2X-3X MORE BATTERY LIFE: The expected service life is 2X more than a conventional AGM battery, and 3X longer life than conventional flooded battery. Interstates cranking and true deep cycling automobile battery produces 400 cycles at 80% DOD, while delivering 40% more power for 5-second engine cranking. Most other batteries do 1 or the other, but this battery does both
  • THE PURE MATRIX ADVANTAGE: Equipped with Pure Matrix power to deliver super-premium battery life and power for starting and accessories. Some batteries serve up more starts, and others deliver deep cycling. Our line does both - in a bigger way! 99.99% pure non-alloy lead and an efficient ultra-thin plate design means deeper cycles, rapid recharges, and superior cycle life
  • MAINTENANCE-FREE AND SPILL-PROOF: Rechargeable, maintenance-free, and spill-proof because of the AGM and VRLA (valve regulated) technology that eliminates spills and overpressure. The MTZ is an absorbed glass-mat battery using a revolutionary design that suspends electrolyte in fiberglass mats instead of letting free-flowing liquid in a battery cell
  • MOST TRUSTWORTHY POWER SOURCE: For 70+ years, Interstate Batteries purpose has been to deliver the most trustworthy source of power to the world - every day, and have become the preferred battery among automotive stores and professionals

Specs & Other Info

SpecificationDetails
BrandInterstate Batteries
Dimensions10.82 x 6.76 x 7.84 inches
Weight46.6 lbs
Cell Count6 cells
Terminal TypeTop Post
Model NameAutomotive Battery
Model NumberMTZ-34
Battery12V (included)
Unique FeaturesAGM Technology, Pure Lead, Rechargeable
Availability Start DateNovember 29, 2014

Frequently asked questions

The 800 Cold Cranking Amps (CCA) rating indicates the battery's ability to start an engine in cold temperatures. Specifically, it measures the battery's ability to deliver a certain amount of current at 0°F for 30 seconds without falling below a specified voltage. This high CCA value means the battery is well-suited for starting vehicles in cold climates.

Yes, the Interstate Automotive Battery is versatile and can be used in a variety of vehicles including SUVs, sedans, trucks, and vans. Its design and power output make it suitable for a wide range of automotive applications.

AGM (Absorbed Glass Mat) refers to a type of battery design where the electrolyte is absorbed into glass mats, as opposed to freely flowing within the cell. Pure lead AGM batteries, like this one, are known for their higher performance, durability, and longer life compared to standard lead-acid batteries. They are more resistant to corrosion, can charge faster, and are less susceptible to sulfation.

The Interstate MTZ-34 Battery is designed to fit in a variety of vehicle models comfortably, matching the physical dimensions and terminal positions of Group 34 batteries. While installation is straightforward for those with basic mechanical skills, consulting the vehicle's manual for specific instructions or seeking professional installation is advised to ensure safe and correct fitting.

Top Amazon Reviews

🚀 Abunda's Overview

This is our summary and key points to consider based on customer reviews.


The reviews for this battery show a wide range of experiences, emphasizing its high performance, reliability, and outstanding power output, with particular praise for its ability to exceed expectations in power tests. However, issues with compatibility and the challenges of warranty service highlight some concerns. Most negative reviews are focused on fitment issues rather than the battery's performance itself.

Pros

  • 🔋 Strongest and most reliable battery, according to some users
  • ⚡ Far exceeds expectations in power and cranking capabilities
  • 🛡️ Carries a four-year warranty, showcasing confidence in longevity
  • 🚗 Excellent performance for specific vehicle applications mentioned

Cons

  • 💸 Very expensive, making it a significant investment
  • 🔄 Compatibility issues with certain vehicle models leading to fitment problems
  • 🚚 Some challenges noted with warranty service and returns
  • 📦 Packaging for shipping could be improved for better protection

Should I Buy It?

If the battery fits your vehicle model and the price is within your budget, its high performance, reliability, and exceptional power make it a solid investment. However, double-check compatibility to avoid the fitment issues some reviewers experienced. The drawbacks seem limited to specific cases rather than general product quality.


  • Great price
Style: Group Size 48
Great deal on a great battery
Reviewed in the United States on March 6, 2026 by Placeholder

  • Do This You Will Be Glad You Did !
Style: Group Size 94R
The note from Amazon reads: "THIS DOES NOT FIT YOUR 2015 SILVERADO" Not true ! You may have to move your coolant reservoir out of the way for entry. The Battery fills the battery tray, the hold down block fits perfectly! Also Interstate Batteries are known for their reliability and you will have all the CCA's you need ! ... show more
Reviewed in the United States on January 9, 2026 by E. Golden

  • Great battery
Style: Group Size 94R
Used them before and love them. Replaces OEM like it belongs there. It's an Interstate battery at a great price.
Reviewed in the United States on March 15, 2026 by E. Caranto

  • Not good.
Style: Group Size 48
Thought I bought a good battery from a trusted US based company. Not so! Battery lasted a few months now won’t hold a charge. Found a sticker on top of the battery that says Made in China! WTF? Interstate says I need a certificate showing the battery is dead. That means taking it to a dealer and spending more money for a test. Used to love Interstate batteries. Not anymore! This is in addition to the previous review. I brought the battery to a local Interstate dealer. They tested the battery and it failed the load test. I turned the old battery over to them. I asked if they could replace the battery under the 3 year warrantee since battery was less than a year old. They said they would not get credit for it because it came under a different distributor. All this crap from Interstate saying you can turn a failed battery purchased online to a local dealer is totally false. I had to buy another battery from them.I submitted a claim to the Dept of Consumer Protection in my State. They contacted Interstate and presented them with my paid invoiced, the entire string of email communications, photos of the battery and a copy of the 3 year warrantee. Interstate disputed everything so I am out. It is up to you who you want to do business with but fair warning to all regarding Interstate batteries purchased through Amazon. BTW, the new battery purchased through the local dealer was fifty dollars less! ... show more
Reviewed in the United States on February 24, 2025 by chuck1102

  • You’re Paying for Quality & Performance.
Style: Group Size 34
Excellent AGM Battery! It costs more than a lead acid battery, but in this case you get what you pay for. It won’t let you down.
Reviewed in the United States on November 24, 2025 by Red Barron

  • The quality
Style: Group Size 49
Excellent Battery for my Mercedes Benz risolve all the problem no need for a auxiliary battery. Great job!
Reviewed in the United States on March 15, 2026 by Amazon Customer

  • Good battery so far
Style: Group Size 94R
Great packaging. Battery has built in handles. It installed perfectly and started up immediately. I didn’t give 5 stars because I don’t know how long it will last.
Reviewed in the United States on January 25, 2026 by Amazon Customer

  • Promises delivered
Style: Group Size 48
Well packaged, arrived as promised. I installed about six months after receipt and still had great voltage when installed. Also was well packaged to help avoid any damage in shipping. Fit as expected.
Reviewed in the United States on February 5, 2026 by Corey E.

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