Ignitions and Electrical› Charging Systems

RELION

12.8V 300AH HP LIFEPO4

$3,264.95

SKU: R094 RB300-HP

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In Stock
Ships by Jun 8
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The RELION RB300-HP is a 12V 300Ah Lithium Iron Phosphate (LiFePO4) deep cycle battery, designed for universal use in demanding applications such as RVs, marine vessels, and off-grid renewable energy systems. It offers a nominal voltage of 12.8V and an energy capacity of 3840 Wh, providing reliable and long-lasting power.

Fitment

Fitment Guaranteed

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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

BrandRELION
Part NumberR094 RB300-HP

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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