52V 25AH Samsung 50S Locking Super Pack – The Ultimate High-Current, Long-Range eBike Battery Available in Your Choice of Premium Cells | Built in the USA | Extreme Power & Endurance Proudly Built in the USA Every Locking Super Pack is hand-assembled in our Bethlehem, Pennsylvania facility. We don’t just import and label — we build our own packs, ensuring genuine cells, safe construction, and unmatched high-current performance for the most demanding riders. Choose Your Premium Cell Configuration Cell Type | Voltage / Capacity | Continuous Rating | Best For Samsung 50S | 52 V 25 Ah | 125 A | Long-range endurance with balanced discharge Samsung 40T | 52 V 20 Ah | 175 A | High-output setups needing fast current response Molicel P42A | 52 V 21 Ah | 200 A | Stable high-power delivery for daily riders Molicel P45B | 52 V 22.5 Ah | 225 A | Superior efficiency under sustained high load NEW – Molicel P50B | 52 V 25 Ah | 300 A | Extreme power output, long-range rides, and superior thermal control All packs use 70 genuine 21700 cells (14S5P) and 0.5 mm custom-cut copper busbars rated to handle 300 A continuous — delivering more current with less heat and voltage sag. Built for Maximum Performance Our proprietary 0.5 mm copper busbars ensure ultra-low resistance and efficient current flow. Each connection uses 0.2 mm nickel/copper composite welds, creating secure, high-conductivity bonds for consistent power delivery. Performance Highlights - 52 V High-Voltage System – Plug-and-play upgrade for 48 V motors - Huge Capacity Options – 20 Ah to 25 Ah for range and power - 80 A Smart BMS – Temperature-protected and balanced charging - Dual Locking System – Built-in security with 2 keys - Reinforced Mounting Cradle – Adjustable anchor points for perfect fit - Direct 10 AWG Wiring – Bypasses fragile case connectors for maximum efficiency - Optimized Cooling – Tight frame design prevents heat build-up - Simplified Design – No fragile charge ports or switches = higher reliability NEW Molicel Model Highlights - Built in the USA – Hand-assembled in Bethlehem, PA - 52 V 25 Ah Configuration (14S5P) - 70 Grade-A 21700 Cells – Certified for durability and thermal stability - Delivers Smooth, Consistent Power Under Heavy Load – Perfect for high-torque eBikes and long-distance builds Technical Specifications Feature | Specification Voltage | 52 V (14S Configuration) Capacity | 20 Ah – 25 Ah (depends on cell type) Energy | Up to 1,300 Wh Cells | 21700 Premium Samsung or Molicel BMS | 80 A Continuous / Temp Protected Busbars | 0.5 mm Copper – 300 A+ Rated Case | Locking “Super Shark” Design Dimensions | 14.5" × 3.8" × 6.2" Weight | ≈ 14 lbs Build Location | Bethlehem, Pennsylvania, USA Safety Guidelines Please read our eBike Battery 101 Guide before use. Lithium-ion batteries must be handled with care. Always: - Charge with the correct lithium-ion charger - Charge in a fireproof or metal container - Store in a cool, dry environment Never: - Modify connectors or wiring - Charge unattended or near flammables - Use if damaged or wet Improper handling can cause fire or injury — consult a professional if unsure. Shipping Information - Built to order in Bethlehem, PA - Ships within 6 – 10 business days - Tracking provided upon shipment - U.S.-based support available Why Choose Bicycle Motor Works - Proudly Built in the USA Since 2014 - Family-Owned & Operated - Certified 21700 Cells Only – No Rewraps or Recycled Cells - Copper Busbar Engineering for Maximum Efficiency - Trusted by eBike Builders & Riders Nationwide Bicycle Motor Works – Premium American-Made eBike Batteries. Engineered for Power. Built to Last.