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Premium MTX-AUX14
$169.95srp
Group Size AUX14
Interstate’s MTX absorbed glass-mat (AGM) battery will meet or exceed your car’s starting requirements while delivering premium battery performance to power all your accessories and plug ins.
12 Month Warranty
Free replacement warranty
Fits Vehicle Option:
- Auxiliary
- 12 Month Warranty
- 12 Amp Hours (AH)@20 Hr
- Group Size AUX14
- Mounting Flexiblity
- Absorbed Glass-Mat (AGM)

Premium MTX-49/H8
$299.95srp
Group Size H8
900 Cold Cranking Amps (CCA)
Interstate’s MTX absorbed glass-mat (AGM) battery will meet or exceed your car’s starting requirements while delivering premium battery performance to power all your accessories and plug ins.
36 Month Warranty
Free Replacement Warranty
Fits Vehicle Option:
- Standard
- 36 Month Warranty
- 900 Cold Cranking Amps (CCA)
- Group Size H8
- Absorbed Glass-Mat (AGM)
- Mounting Flexiblity
- 2X the life of conventional flooded batteries
- Plenty of power for accessories and plug-ins - even while the engine is off
- Superior starting power

Super Premium MTZ-49/H8
$419.95srp
Group Size H8
950 Cold Cranking Amps (CCA)
The Interstate MTZ absorbed glass-mat AGM car battery with Pure Matrix™ power feeds power-hungry vehicles while serving up powerful engine starts. With a 48-month free replacement warranty and longest-life performance, this car battery delivers lasting power for today’s high-accessory vehicles and motorists who use plug-ins such as DVD players, phone chargers and GPS devices.
48 Month Warranty
Free Replacement Warranty and Long Life Performance
Fits Vehicle Option:
- Standard
- 48 Month Warranty
- 950 Cold Cranking Amps (CCA)
- Group Size H8
- Mounting Flexiblity
- Absorbed Glass-Mat (AGM)
- Almost 3X the life of conventional flooded batteries
- 40% more cranking power
- Plenty of power for accessories and plug-ins - even while the engine is off