
Interstate Mega-Tron II Automotive Battery MT-121R
Best price now
16% under what the other stores charge
Compared across 5 stores. Prices are checked against each store and labelled with when.
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Price facts
- Lowest price today: $209.95 at Battery Roadie (checked Nov 12, 2026).
- Checked at 5 stores.
Interstate Mega-Tron II Automotive Battery MT-121R prices at every store
- Battery RoadieNew
In stock
$209.95Checked 58 min ago - Billerica Auto PartsNew
In stock
$248.77Free shippingChecked 58 min ago - 1-800-BatteryNew
In stock
$339.99Free shippingChecked 58 min ago - eBayRefurbished
Availability unknownSold by billericaautoparts-308
$228.27+ $8.99 shippingChecked 58 min ago - Summit RacingNew
Out of stock
$185.99Free shippingChecked 58 min ago
Also available at
- Battery RoadieCheck price at Battery Roadie
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Interstate Mega-Tron II Automotive Battery MT-121R price history
Lowest price we've seen: $185.99 on Nov 12 at Summit Racing. Tracked across 4 stores since Nov 12.
About the Interstate Mega-Tron II Automotive Battery MT-121R
The Interstate MT series delivers reliable battery life and enhanced performance in hot to moderate climates for an affordable price.
Expert battery installation available for most makes and models.
Group Size 121R
600 Cold Cranking Amps (CCA)
• 600 Cold Cranking Amps (CCA)
• Group Size 121R
• Our better flooded, non-AGM battery
• Classic performance in hot to moderate climates
• Affordable and dependable
• 24 Months Warranty
24 Months Warranty Free / 5 Year Performance Warranty
Fits Hyundai and Kia models such as the Hyundai Elantra, Kia Soul, and Nissan NV200 / Chevy City Express vans that require a group size 121R. Use our cross reference to determine fit.
Questions and answers
- Where is the Interstate Mega-Tron II Automotive Battery MT-121R cheapest?
- At Battery Roadie, for $209.95, 16% under what the other stores charge, as of our latest check.
- Where can I buy the Interstate Mega-Tron II Automotive Battery MT-121R?
- 5 stores we checked sell it, including Battery Roadie, Summit Racing, eBay, Billerica Auto Parts, 1-800-Battery.











