IMPORTANT UPDATE: New installation manual available from Ohmmu! (Model Y Installation)


Dimensions: 195mm x 122mm x 205mm (plus 20mm for lugs)

Weight: 11 lbs
What's Included: 12V MY LFP Battery, JIS to SAE Adapters, Warranty Card

Kiss the lead goodbye! (not literally since it is too toxic for that)
Lighter weight, higher performance and much longer lasting!

• 4 Years Full-Replacement Warranty

• Drop-in Replacement to OEM Battery (No firmware changes needed)

• Lithium Iron Phosphate Battery (aka LiFePO4 or LFP)

• Proprietary 12V Lithium Cell and BMS Technology

• Battery Management System - Prevents Damage to Battery in Extreme Situations and Balances the Battery Cells for a Longer Service Life

• >40Ah True Lithium Capacity on 5hrs Discharge Test (more aggressive testing than Lead Acid)

• Easy to Carry Handle and Weighs Only 11 lbs

Why go Ohmmu?

1. Increase reliability
2. Longer lasting (more life)
3. Decrease weight
4. Increase capacity
5. Increase power (no voltage sag, better 12v performance, especially for subwoofers/amplifiers)
6. Less waste (less batteries being used and less material in each battery)
7. Increase efficiency (Ohmmu 12v charges and discharges at a higher efficiency than Lead Acid/OEM)

12V Lithium Battery for TESLA Model Y

SKU: T1240Y
  • B19 Reverse Terminal battery compatible with all years TESLA Model Y.


    Drop-in replacement for; B24LS, 85B24LS, 1129182-00-A, 1129182-00-B