⚡ 52V 20AH Samsung 40T Locking Super Pack – The Ultimate High-Current, Long-Range eBike Battery, 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 P50B 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.