Ignitions and Electrical› Charging Systems

Mighty Max Battery

YTZ7S-BSLIFEPO4 12.8V LiFePO4 Engine Start Battery

$64.99

SKU: YTZ7S-BSLIFEPO4487

In Stock
In Stock
Ships by Jul 31
Free Shipping
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Mighty Max YTZ7S-BSLIFEPO4 is a 12.8-volt lithium iron phosphate (LiFePO4) engine start battery designed for powersport applications. It serves as a direct-fit replacement for traditional flooded, AGM, and gel cell lead-acid batteries in motorcycles, ATVs, scooters, and other small-engine vehicles.

Fitment

Fitment Guaranteed

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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

BrandMighty Max Battery
Part NumberYTZ7S-BSLIFEPO4487
CategoryIgnitions and Electrical

Buy with Confidence

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.

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