72V 15Ah Molicel P50B eBike Battery

Ultra-High Power • Built in the USA • The P50B Advantage for Serious Mid-Drive Performance

Experience the next generation of high-current eBike power with the Bicycle Motor Works 72V 15Ah Molicel P50B Battery. Engineered for riders who push their systems to the limit, this pack features the legendary Molicel P50B—one of the most powerful and efficient high-discharge cells available today.

Every battery is hand-built in Bethlehem, Pennsylvania, professionally sealed, reinforced, and tested for stability, heat performance, and long-term reliability. If you want instant torque, stronger acceleration, and stable high-amp output, this is your pack.

This is the ultimate upgrade for high-power mid-drives.

⚡ Key Performance Benefits

• 90A Continuous / 120A Burst BMS
  Delivers the current your motor system demands—without sag, hesitation, or overheating.

• Molicel P50B (20s3p)
  Each cell handles up to 60A continuous, giving the 3P configuration a massive 180A continuous potential.

• Made in the USA — Fully Protected & Sealed
  Precision-welded nickel + copper busbars, rugged encasement, and full pack testing before shipment.

• Designed for High-Voltage, High-Amp Setups
  Perfect for CYC, BBSHD (Ludicrous), ASI/BAC controllers, and custom high-current builds.

🔋 Technical Specifications

• Voltage: 72V

• Capacity: 15Ah

• Energy: 1,080Wh

• Cell Type: 60 Genuine Molicel P50B 21700 (5000mAh / 60A)

• Configuration: 20s3p

• BMS: 90A continuous • 120A burst • Temp protected

• Discharge Connector: XT-90S anti-spark

• Charge Connector: Heavy-duty XT-60

• Weight: ~11.25 lb

• Dimensions: 13.75" × 3.75" × 3.25"

• Encasement: Thick rigid shell + double shrink + impact-resistant rubber layer

🚀 Built for Real Riding Power

Why Riders Choose 72V:

• Sharper throttle response

• Better acceleration

• Higher top-end performance

• Lower amp draw per watt = less stress on your system

More voltage = More efficiency + More power.

Why Riders Choose P50B:

• Stable under extreme load

• Very low internal resistance

• Excellent heat management

• Superior discharge curves

• Outstanding longevity for a high-current cell

This pack is built to hold power—not just advertise it.

🔧 Premium Construction

This battery is engineered with:

• Tight internal cell structure for increased heat dissipation

• Solid nickel and copper busbars for low-resistance conduction

• Precision spot welding on every cell

• Full series-level testing before assembly

• Temperature-protected BMS for optimal balancing

Nothing is left to chance—this is professional-grade construction.

🛑 Safety Notice

Lithium-ion batteries are powerful and must be handled responsibly.

• Only charge with the correct lithium-ion charger

• Never leave the battery charging unattended

• Charge in a fire-safe location

• Do not open, modify, cut wires, or change connectors

• Never use a battery that is damaged or wet

• Consult a professional if you are unsure about installation or compatibility

Misuse may cause fire, injury, or property damage.

We’re always here to help if you have questions.

📦 Shipping Information

All Bicycle Motor Works batteries are built to order.
Please allow 5–10 days for assembly and shipment.
Tracking will be emailed once the pack ships.
Contact us anytime for assistance.