U.S.-Made High-Current eBike Batteries engineered for uncompromising performance, safety, and cold-weather reliability. Precision-built with certified premium cells and advanced BMS technology—delivering proven power riders have trusted for over a decade.
Super Shark 72v 20ah Molicel P50B eBike Battery Pack
Voltage
72
Capacity aH
20
Cell Type
Molicel P50B
DESCRIPTION:
⚡ 72v 20ah Molicel P50B Locking Super Pack
– The Ultimate High-Current, Long-Range eBike Battery
- Built in the USA | Extreme Power for High-Performance Rides
🔋 Premium U.S.-Made Power
Meet the Locking Super Pack Collection — our most powerful and durable 72V eBike battery series, hand-built in Bethlehem, Pennsylvania by Bicycle Motor Works, a family-owned American manufacturer since 2014.
Unlike imported batteries, we manufacture every pack ourselves using certified, genuine 21700 cells and precision-engineered components for superior efficiency, heat control, and safety.
This is not just another “big pack.” It’s a purpose-built, high-current powerhouse — made for serious riders, custom builders, and anyone who demands the best.
⚙️ Choose Your Premium Cell Configuration
Each Locking Super Pack is available in your choice of premium, high-discharge 21700 cells. Whether you prioritize range or raw power, there’s a perfect configuration for your setup.
⚙️ 72V Super Shark – High-Current, Long-Range eBike Battery Options
| Cell Type / Model | Voltage / Capacity | Continuous Rating | Best For |
|---|---|---|---|
| Samsung 50S | 72V 20Ah | 100A | Long-range endurance & consistent power |
| Samsung 40T | 72V 16Ah | 140A | Peak power performance & quick bursts |
| Molicel P42A | 72V 16.8Ah | 160A | High-current balance & sustained output |
| Molicel P45B | 72V 18Ah | 180A | Ultra-high current & efficiency under heavy load |
| Molicel P50B (NEW) | 72V 20Ah | 240A | Extreme power output, thermal stability & long-range rides |
Each pack is assembled using 80 genuine 21700 cells (20S4P) and custom 0.5mm copper busbars, designed to handle 300A+ continuous current — far exceeding what most systems will ever demand.
🔩 Built for Maximum Efficiency
Our precision-cut 0.5mm copper busbars are a hallmark of our engineering.
They deliver the lowest resistance, minimal heat, and smoother power output under full load.
Each connection is spot-welded using 0.2mm nickel/copper composite tabs to guarantee reliable power transfer and stability through every ride.
💪 Performance Highlights
⚡ 72V High Voltage System – The ultimate upgrade for torque and speed
🔋 Massive Capacity Options – 16Ah to 20Ah for long-range or power setups
🔧 80A Smart BMS – Protects from overcharge, over-discharge, and imbalance
🔐 Integrated Locking System – Dual-key security for theft prevention
🧱 Heavy-Duty Mounting Cradle – Metal-reinforced with adjustable anchor points
💨 Direct-Wire Design – 10AWG silicone wiring runs through the cradle for max efficiency
🧊 Advanced Heat Dissipation – Compact internal structure prevents heat trapping
🧠 No Weak Links – Built without fragile case connectors, switches, or charge indicators for higher reliability
These packs are built to handle continuous output under high-current demand while staying cooler, safer, and more consistent than imported or rewrapped alternatives.
🧰 Technical Specifications
| Feature | Specification |
|---|---|
| Voltage | 72V (20S Configuration) |
| Capacity | 16Ah–20Ah (varies by cell type) |
| Energy | Up to 1,440Wh |
| Cells | 21700 Premium Grade (Samsung or Molicel) |
| BMS | 80A Continuous (300A Busbar Rated) |
| Busbars | 0.5mm Solid Copper, Nickel-Copper Weld Tabs |
| Case | Locking “Super Shark” Design |
| Dimensions | 14.5" × 3.8" × 6.2" |
| Weight | ~15 lbs |
| Build Location | Bethlehem, Pennsylvania, USA |
🚴 Perfect For
High-powered CYC, BBSHD Ludicrous, and BAC ASI setups
Custom 72V conversions and performance eBikes
Riders demanding long-range capability and consistent high discharge
Builders who want a secure, locking, high-current pack that’s made to last
🧠 Built for Safety & Longevity
Every Bicycle Motor Works pack undergoes strict testing and assembly standards:
Each cell and series is individually tested for voltage and resistance
Spot-welded copper busbars for efficiency and safety
Tight internal structure for superior heat management
Temperature-protected 80A BMS for reliability under extreme conditions
We don’t overpromise — we overbuild. That’s why every pack we ship is made to perform safely and efficiently for years.
⚠️ Safety Information
Please read our eBike Battery 101 Guide before use.
Lithium-ion batteries are powerful and must be handled with care.
Always:
Charge with a compatible lithium-ion charger
Charge in a fire-safe or metal container
Store in a dry, cool environment
Consult a professional installer if unsure
Never:
Modify connectors or wiring
Charge unattended or near flammable materials
Use a wet or damaged pack
Disassemble or hardwire directly to controllers
Failure to follow proper precautions can result in damage, fire, or injury.
🚚 Shipping & Lead Time
Built to order in the U.S.
Ships within 6–10 business days (in order received)
Tracking provided upon shipment
Customer support available for all orders
Chemistry
lithium-ion
Busbars: Pure Copper Busbars
BMS: High Current Rated, Bluetooth BMS Smart Monitoring optional with some models.
Encasement: Traditional or Locking Mounting
Bike Type: eBike
Compatible: High Performance Systems
Manufactured by: Bicycle Motor Works
Made in: The United States
Regular Price:
1099.99
Today's Price:
1099.99
In Stock:
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