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Nexbat 72V 50Ah, 81V 45Ah Battery Upgrades: Sur-Ron Light Bee X
Nexbat 72V / 81V Battery Upgrade for Sur-Ron Light Bee
Nexbat 72V 50Ah, 81V 45Ah Battery Upgrades: Sur-Ron Light Bee X
Nexbat 72V 50Ah, 81V 45Ah Battery Upgrades: Sur-Ron Light Bee X
Darwin EV Sur-Ron Light Bee Champagne Build: Nexbat 72V 50Ah Battery, Torp TC1000 Controller, TM25 Motor, EXT Suspension
Nexbat 6AWG Battery Harness + Circuit Breaker for Sur-Ron Light Bee
Nexbat 72V 50Ah, 81V 45Ah Battery Upgrades: Sur-Ron Light Bee X
Nexbat 72V / 81V Battery Upgrade for Sur-Ron Light Bee
Nexbat 72V 50Ah, 81V 45Ah Battery Upgrades: Sur-Ron Light Bee X
Nexbat 72V 50Ah, 81V 45Ah Battery Upgrades: Sur-Ron Light Bee X
Darwin EV Sur-Ron Light Bee Champagne Build: Nexbat 72V 50Ah Battery, Torp TC1000 Controller, TM25 Motor, EXT Suspension
Nexbat 6AWG Battery Harness + Circuit Breaker for Sur-Ron Light Bee

Nexbat 72V 50Ah Pro Battery: Surron Light Bee (Molicel P50B)

Vendor: Nexbat

Type: Battery

$3,200.00
$3,200.00
Shipping calculated at checkout.

Available in stock (11)

  • Lead Time: Ships in 30 days

Engineered for aggressive riding, the Nexbat 72V 50Ah Pro Battery is a true stock-fit, high-performance power upgrade for the Surron Light Bee. Built with genuine Molicel P50B high-discharge cells with smart BMS protection, this Pro configuration delivers dramatically higher peak output, stronger sustained power, and stable voltage under aggressive load—without oversized cases or extended battery covers.

Designed for seamless installation and full compatibility with modern phase-based controllers, the Nexbat 72V Pro Battery unlocks a noticeably faster, harder-pulling, and more responsive riding experience.

Nexbat 72V Pro Surron Battery Features

  • Molicel P50B High-Discharge Cells — Premium performance cells engineered for extreme current delivery, thermal stability, and sustained power under heavy load.

  • Up to 526A Peak Output — Massive power capability for hard acceleration, high-speed pulls, and demanding off-road riding conditions.

  • Integrated Smart BMS Protection — Advanced battery management system supporting high continuous current, protection logic, and reliable performance in high-power builds.

  • True Stock Fitment — Installs in the factory Surron Light Bee battery compartment with no extended cover or oversized enclosure required.

  • Stable Voltage Across Full Discharge — Maintains consistent performance from full charge through low state-of-charge for predictable throttle response and sustained output.

  • Heavy-Duty 6 AWG Power Leads — Oversized wiring designed to handle high current safely and efficiently in performance controller setups.

  • Full-Color Digital Display — Real-time battery data visibility for monitoring performance and ride status.

  • Optimized for Modern Phase-Based Controllers — Fully compatible with high-power systems including EBMX X-9000 and Torp TC1000

  • Built for Aggressive Riding & Performance Builds — Engineered specifically for riders demanding maxiumum acceleration, stronger pull under load, and reliable high-power operation.

Nexbat 72V Pro Battery Specs
Model LB7250P
Cells Molicel P50B
Cell Configuration 20s10p
Nominal Voltage 72V
Nominal Capacity 50Ah
Peak Output Current* 650A
Nominal Current (1C) 50A
Full Charge Peak Power 54.6 kW
Nominal Peak Power 46.8 kW
Max Charge 84V
Power Leads 6 AWG
Waterproof IP67 Rating
*Peak current ratings shown are conservative estimates based on controlled testing. Actual packs are capable of achieving higher peak current under optimal conditions (controller tuning, wiring, battery temperature, and SOC).

Compatibility

E-Moto: Surron Light Bee X/S, Segway X160/X260 (all model years)

Controller: Requires aftermarket controller upgrade

EBMX X-9000 / Torp TC1000

Motor: Compatible with stock Surron motor and aftermarket motors made for Light Bee

EBMX XLB-60 Core / XLB-60 Race / Torp TM25 / TM40 / Sotion FW01

Charger: Requires Nexbat 72V Surron LBX Fast Charger

Samsung 50S vs. Molicel P50B

Nexbat 72V Pro Batteries for Surron Light Bee are built with high-discharge Molicel P50B cells for riders seeking maximum performance and long-term upgrade potential. The key difference between Samsung 50S and Molicel P50B cells is overall power and riding intent.

72V Samsung 50S (Standard) 72V Molicel P50B (Pro)
Up to 250A peak output Up to 650A peak output
Smooth, reliable everyday performance Much stronger acceleration and sustained power
Balanced power and range Built for high-power controllers, motors, and aggressive riding
Ideal for trail riding and moderate builds Most powerful 72V Nexbat option
Battery Disclaimer ▾

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.

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Shipping Policy: Shipping and processing times can vary, depending on the
product. Most orders ship within 1 day and take about 1-4 days in
transit when shipped within the continental United States. Cut-off time:
4:00pm PT (7:00pm ET) Monday – Saturday.

Lead Times: Some products have lead times to allow for processing and/or clearance, in addition to transit times. It is possible to receive your items sooner. Here are our official lead times for the following product types:

  • EWatt Batteries, Lids, Chargers: 10 days
  • Forks, Shocks: 5 days
  • Custom Wheel Sets: 21 days

Signature Required: Shipping of high-value items requires a signature from an adult (18+). Without a signed delivery receipt, the driver will be unable to complete the delivery.

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Return Policy: We accept returns on new, unused batteries in original packaging. All battery sales outside the lower 48 states (US) are final and cannot be refunded or returned. Returns must be initiated within 30 days from the date of purchase. Eligible returns must be made by mail. Upon approved request, a return label will be made available for download to print, free of charge. Refund processing may take up to 7 days. Returns are subject to banking processing fees.

Restocking Fee: There is a 25% restocking fee for any battery returns and any battery order cancellations made after 72 hours of purchase.