Product images and videos are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Ignitions and Electrical› Charging Systems
Interstate
Interstate Mega-Tron Plus Battery 800 CCA
SKU: MTP-78DT
Beginner — under 30 min
Overview
This battery offers 800 Cold Cranking Amps (CCA) and 1,000 Cranking Amps (CA) for reliable starting in cold to moderate climates. It features a dual terminal design for versatile installation and a reserve capacity of 115 minutes.
The MTP-78DT comes with a 30-month free replacement warranty and a 6-year performance warranty. It is designed for a long life and superior performance, fitting many Buick, Chevrolet, Oldsmobile, and GMC applications.
Show original supplier description
Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Interstate |
| Part Number | MTP-78DT |
| Category | Ignitions and Electrical |
Videos
WHY I WILL NEVER BUY ANOTHER INTERSTATE BATTERY. Interstate battery review MTP-78
What Happened to Interstate Batteries?!
AGM Batteries and How They Compare to Other Car Batteries | Interstate Batteries
Megatron, Megatron Plus from Interstate Batteries at Steve's Auto Repair
Optima VS. Interstate Batteries : Which one is better?
How To Maintain Your Car Battery
About MOTORMIA
Buy with Confidence
Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
View Full Return PolicyShipping
Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.
View Full Shipping Policy