Nexbat 72V 70Ah Battery: Surron Ultra Bee

Engineered to deliver exceptional sustained power, extended range, and strong low-end torque, the Nexbat 72V 70Ah Battery is a true stock-fit, high-capacity performance upgrade for the Surron Ultra Bee. Built using genuine Samsung 50S lithium-ion cells, this battery emphasizes energy capacity, discharge stability, and consistent output under load. Designed for seamless integration with the stock controller and motor, as well as modern performance controllers and motors, the 72V 70Ah configuration is ideal for riders prioritizing endurance, reliability, and smooth high-current delivery without stepping into higher-voltage builds. *The battery images shown represent the prototype model. The official release features a full color display. Key Features High-Capacity Architecture – Massive 70Ah configuration delivering exceptional energy storage and extended range. Samsung 50S High-Performance Cells – Proven lithium platform known for stable output, efficiency, and long-term reliability. Strong Sustained Output – Designed to maintain consistent current delivery during climbs, trail riding, and extended throttle use. Balanced 72V Performance Platform – Emphasizes controllable torque, smooth power delivery, and drivetrain-friendly operation. Integrated Smart BMS Protection – Supports safe high-current discharge and balanced cell management. Stable Voltage Across Full Discharge – Predictable throttle response from full charge to low state-of-charge. True Ultra Bee Factory Fitment – Clean installation within the stock battery compartment. Compatible With Stock & High-Power Controllers – Built with heavy-duty, high-current wiring to support upgraded controller systems safely and efficiently. Ideal for Long Rides & Endurance Builds – Best suited for riders who want extended range with strong, dependable power and performance. True Stock FitmentDirect drop-in for the Surron Ultra Bee. No lid extenders. No trimming. No height increase. Maintains full OEM battery compartment fit. High-Capacity DesignBuilt for higher capacity compared to stock battery for extended range. Maintains consistent voltage and output across the full discharge. Controller CompatibilityFully compatible with both stock Ultra Bee and modern phase-based controllers, including EBMX X-9000 and Torp TC1000. Nexbat 72V 70Ah Battery Specs Model UB7270S Cells Samsung 50S Cell Configuration 20S14P Energy (Watt Hours) 5040 Wh Nominal Voltage 72V Nominal Capacity 70Ah Peak Output Current* 350A Nominal Current (1C) 70A Full Charge Peak Power 29.4 kW Nominal Peak Power 25.2 kW Max Charge 84V 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). **Continuous output is dependent of cooling/airflow. Compatibility E-Moto: Surron Ultra Bee (all model years) Controller: Stock OEM Ultra Bee / EBMX X-9000 / Torp TC1000 Motor: Compatible with stock Surron motor and aftermarket motors made for Ultra Bee EBMX XUB-80 / Sotion FW01 Pro / Torp TM50 Charger: Requires 72V Surron Ultra Bee Battery Charger (add-on available)