Nexbat Blue 72V Battery For Sur-Ron Light Bee – 50Ah

(1 customer review)


2-Year Warranty

on all components

Expert Support

for our customers

FREE Shipping

continental US only

Nexbat Blue 72V Battery (50Ah) is a high-capacity 72V lithium-ion power upgrade for Sur-Ron Light Bee and Segway X160/X260 electric motorbikes – made available only at Darwin EV. Featuring the highest capacity within the 72V range, Nexbat Blue offers an unparalleled energy reservoir for an extended and powerful ride. The Nexbat Blue 72V Battery is handcrafted in the USA with Grade-A Samsung 50S cells and our premium aircraft-grade aluminum case.

2-Year Warranty / Dedicated Support / Free Shipping (continental US)

Nexbat Blue 72V Battery Features

  • High-Capacity 72V Battery Upgrade for Power + Extended Range
  • 72-Volt / 50Ah Capacity
  • 450a Peak Power
  • Premium Aircraft-Grade Aluminum Case (Powder Coated)
  • Fits Like Stock Sur-Ron Battery
  • Grade-A Samsung 50S Cells
  • Expertly Handcrafted in the USA
  • Bluetooth Intelligent BMS
  • Drok Waterproof Display
  • Compatibility: Sur-Ron Light Bee, Segway X160/X260
  • Controller Upgrade Required

Nexbat Blue 72V Battery Specs

  • Voltage: 72V
  • Capacity: 50Ah (20s 10p)
  • Cell Type: Samsung 50S 21700
  • Power Rating: ANT 450a Peak BT BMS
  • Charge: Dual 25a (XT60)
  • Max charge: 84v
  • Cycles: 2000
  • Dimensions: 14.5″ x 6.5″ x 5.5″


  • Nexbat Blue 72V Battery (50Ah)
  • Supra X Connector (QS8 upgrade available)
  • 3.5A Battery Charger (15A Variable Charger upgrade available)

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.

1 review for Nexbat Blue 72V Battery For Sur-Ron Light Bee – 50Ah

  1. Doug (verified owner)

    This battery has a ton of range and fits like the stock battery. I run the 4m foundry’s plastics and the battery fits perfectly. The aluminum casing is a great touch.

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