EWatt 80V 76Ah Battery Upgrade For Sur-Ron Ultra Bee


2-Year Warranty

on all components

Expert Support

for our customers

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continental US only

Enhance the power and performance of your Sur-Ron Ultra Bee with the EWatt 80V 76Ah battery upgrade. Aftermarket controller upgrade required.*

EWatt 80V 76Ah Battery Specs

  • Peak Power: 48kW
  • Voltage: 80.3V
  • Capacity: 76Ah
  • Nominal Capacity: 6102Wh
  • Density: 108.5Wh/lb (239.3Wh/kg)
  • Cycles: 1000
  • Weight: 56.2lbs (25.5kg)
  • Dimensions: 8.86″ x 6.97″ x 14.69″ (225mm x 177mm x 373mm)
  • EWatt Battery Model: U8076
  • Fitment: Sur-Ron Ultra Bee Electric Motorbike
  • EWatt Ultra Bee Battery Lid (add-on option)
  • Sur-Ron Fast Charger upgrade (add-on option)
    • Note: EWatt U8076 does not work with the OEM 74V battery charger

*Please check with your controller manufacturer’s specifications for compatibility.

Darwin EV Terms and Conditions

Liability Waiver:  By purchasing this product, you accept full responsibility for any damage or harmful consequences that may result from the product. You understand that you waive the right to sue and seek compensation for damages that may arise from the use of the product in question, regardless of whether the product has been used properly or misused. You also acknowledge that all products created, manufactured, or distributed by Darwin EV, LLC are provided on the condition that its users accept full responsibility for any ill effects the product may cause.

Product Servicing:  Darwin EV, LLC products are built to last. We stand behind the quality of our batteries and will address any manufacturer-related issues. Upon purchase, the customer agrees to take all safety precautions when operating and caring for their product, including maintenance and proper storage of lithium-ion battery packs.

Battery Maintenance:  Store in a dry place. When not riding for long periods, keep battery charge between 50% and 80%. For best results, always charge after riding – do not store a depleted battery.

Handling of Lithium-ion Battery Cells – Risks and Precautions:  Misusing or mishandling lithium-ion batteries can pose a serious risk of personal injury, property damage, or death. Batteries may explode, burn, or cause a fire if misused or mishandled. Only use with proper circuitry in a protected battery pack. Only use within manufacturers listed specifications.

Restocking Fee: There is a 20% restocking fee for any battery order cancellation.


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