Ohmmu Coupon Codes & Deals

About Ohmmu

Ohmmu Energy has made lithium and sodium 12V batteries since 2015. They are drop-in replacements for the 12V battery in EVs such as Tesla and Rivian, cars and trucks, overland rigs and RVs. The batteries carry a 4-year warranty; Ohmmu extended its sodium battery warranty to 4 years in June 2026. Orders placed by noon MST, Monday to Friday, ship the same day. You can return a battery within 30 days of placing the order if it is in new condition and in its original packaging. Because batteries need compliant packaging, a prepaid return label costs $19, and a replacement shipping box costs another $19 if you no longer have the original. Keep the box until you are sure the battery fits. Apply an Ohmmu coupon from this page at checkout to save on your 12V battery upgrade.

How to use a Ohmmu coupon

Visit the store we opened for you.Browse and add items to your cart.Apply the coupon code at checkout.

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