Bicycle Motor Works SUPER PACK Locking Collection The Ultimate 52V 25ah Molicel P50B High-Current, Long-Range eBike Battery – Built in the U.S.A. Meet the Super Pack Locking Collection – the most powerful, high-current 52V battery system ever produced by Bicycle Motor Works. Built by hand in our Bethlehem, Pennsylvania facility, every pack represents precision engineering, premium components, and unmatched American craftsmanship. Unlike overseas suppliers, we are the manufacturer — which means every cell, connection, and weld is verified for safety, reliability, and performance. When you buy from us, you know exactly what’s inside your pack. Product Overview Model: 52V Super Shark – The Ultimate High-Current, Long-Range Pack Cell Type: Molicel P50B – 52V 25Ah Continuous Rating: 300 Amps This battery is built for serious riders who demand extreme power output, long-range performance, and thermal efficiency. It delivers smooth, consistent energy under heavy load — ideal for high-torque eBike builds and long-distance rides. Key Features - Built in the USA – Hand-assembled at our Bethlehem, PA facility - Premium Molicel P50B Cells – 52V 25Ah configuration (14S5P) - 70 Genuine 21700 Cells – Grade-A certified for durability and consistency - Custom Copper Busbars (0.5mm thick) – Rated for 300+ continuous amps - Low Resistance, High Efficiency – Minimal voltage sag and reduced heat - 80A BMS with ON/OFF switch – Controls input and output with protection - Push-button charge level indicator for quick status checks - Integrated lock system – Includes 2 keys for added security - Reinforced metal cradle – Adjustable anchor points for versatile frame fit - Direct-wire 10AWG leads – More reliable and efficient than cradle contacts - Weight: ~14 lbs - Size: 14.5” x 3.8” x 6.2” - Not ideal for full suspension frames – check dimensions before purchase Engineered for Power and Reliability Our custom copper busbars are rated to carry over twice the current you’ll ever need. This overbuilt design means: - Less resistance and heat buildup - Higher sustained current with smoother power delivery - Minimal voltage drop even under max load Each cell and series is tested before assembly, and the BMS (Battery Management System) actively protects against overcharge, over-discharge, and imbalance — ensuring long-term stability and peak efficiency. Safety Information Lithium-ion batteries must be charged and handled with care. Use only the approved lithium-ion charger for this pack. Do Not: - Modify wiring, connectors, or casing - Leave unattended while charging - Expose to water or physical damage - Continue use if the pack becomes damaged or wet If the pack is compromised, dispose of it properly through your local hazardous waste facility. Always charge in a fire-safe location (metal box, BBQ grill, or fireproof enclosure recommended). Read our eBike Battery 101 Guide and Terms & Conditions before purchase. Consult a professional if you are unsure about installation or handling. Shipping Information All eBike batteries are built to order and shipped in the order received. - Typical lead time: 6–10 business days - Tracking provided once shipped - Contact us anytime for order or product support Why Choose Bicycle Motor Works - Made in the USA since 2014 – trusted nationwide for premium eBike power - Genuine, certified 21700 cells – never reused or rewrapped - Overbuilt for performance and safety – copper, nickel, and precision welding - Responsive customer service from experienced U.S. technicians Ride farther, faster, and with total confidence — powered by American-built precision. Bicycle Motor Works: The Future of eBike Power, Made in Bethlehem, PA.