⚡ 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

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

🚴 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