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52v 18ah Molicel P45B Series Lithium ion E-Bike Battery

Product: 52v 18ah Molicel P45B Series Lithium ion E-Bike Battery

52v 18ah Molicel P45B Series Lithium ion E-Bike Battery

$647.99Price
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โšก 52V 18AH Molicel P45B High-Current eBike Battery โ€“ The Power House

Built in the USA by Bicycle Motor Works

 

๐Ÿ”‹ Overview

Experience unmatched performance with the High-Current Molicel P45B Series, exclusively from Bicycle Motor Works.

 

Designed and hand-built in Bethlehem, Pennsylvania, this battery delivers exceptional current output, durability, and efficiency โ€” engineered specifically for high-power eBike builds including CYC X1, BBSHD Ludicrous, and BAC/ASI motor setups.

The Molicel P45B 21700 cells are among the most advanced in the industry, known for their ultra-low internal resistance, stable thermal performance, and consistent discharge under extreme loads.

Compare Between: 13.5Ah (702Wh) or 18Ah (936Wh) capacities to power your next-level ride.

 

 

โš™๏ธ Technical Specifications, Compare Models:

Feature13.5Ah Model18Ah Model
Voltage / Configuration52V (14S3P)52V (14S4P)
Cell TypeMolicel P45B 21700Molicel P45B 21700
Capacity13.5Ah18Ah
Energy (Wh)702Wh936Wh
Continuous Rating60A continuous / 120A burst60A continuous / 120A burst
Cell Rating35A continuous per cell35A continuous per cell
Wiring10 AWG silicone leads10 AWG silicone leads
ConnectorsXT-90S (output) / XT-60 (charge)XT-90S (output) / XT-60 (charge)
Dimensions (approx.)12.25โ€ ร— 3.3โ€ ร— 3โ€12.25โ€ ร— 4.25โ€ ร— 3โ€
Weight~7.5 lb~9 lb
BMS60A continuous, temp protected60A continuous, temp protected

 

 

๐Ÿš€ Key Features

โœ… Built in the USA โ€“ Hand-assembled and tested in our Bethlehem, PA facility.
โœ… Premium Molicel P45B Cells โ€“ High-drain, high-efficiency, and thermally stable.
โœ… High Current Design โ€“ Delivers up to 60A continuous and 120A burst output.
โœ… Thermal Efficiency โ€“ Compact internal structure dissipates heat effectively.
โœ… Durable Construction โ€“ Double-shrink wrapped and reinforced rubberized casing.
โœ… Plug-and-Play Compatibility โ€“ Ideal for CYC Motors, BBSHD Ludicrous, and BAC/ASI systems.

 

 

๐Ÿง  Engineered for Power & Longevity

The Molicel P45B chemistry is designed for high-performance electric drive systems.
Each cell can sustain 35 amps continuous discharge, making this battery ideal for e-bikes that demand consistent torque and long-range reliability.

Connections are made with solid nickel and copper busbars, spot-welded for low resistance and smooth current delivery.
Our tight internal frame design enhances heat dissipation โ€” reducing thermal buildup and extending pack lifespan.

The integrated 60A BMS with temperature protection ensures safe operation under continuous heavy load and balances each cell for optimal cycle life.

 

โš ๏ธ Safety & Handling

Lithium-ion batteries are powerful energy systems. Use responsibly and follow safety guidelines.

Always:

  • Charge with an approved lithium-ion charger.

  • Store and charge in a safe, ventilated area.

  • Inspect regularly for signs of damage or wear.

Never:

  • Modify connectors or wiring.

  • Use if damaged or wet.

  • Leave charging batteries unattended.

For assistance, contact Bicycle Motor Works or a certified e-bike technician before installation.

 

๐Ÿšš Shipping Information

  • All batteries are built to order.

  • Typical lead time: 5โ€“10 business days.

  • Tracking provided once shipped.

  • Shipped safely from Bethlehem, Pennsylvania.

 

๐Ÿ† Why Riders Trust Bicycle Motor Works

  • ๐Ÿ‡บ๐Ÿ‡ธ Made in the USA since 2014

  • ๐Ÿ”‹ Authentic Molicel P45B 21700 Cells

  • โš™๏ธ High-Current, Overbuilt Designs

  • ๐Ÿงฐ Engineered for Performance & Safety

  • ๐Ÿ’ฌ Family-Owned, Customer-Focused Service

 

Bicycle Motor Works โ€“ Premium American Power for Serious Riders.

  • Our policies must be read, understood and agreed upon before making a purchase, which include eBike Battery 101, Privacy Policy, Store Policies and Terms of Use. All of these materials and access to our manuals are available on our website, under Resource Center.

  • ย Due to the high demand, lead time for all eBike Batteries are 2-3 weeks. We take quality assurance very seriously, and we appreciate your patience.

Reviews

Rated 4.5 out of 5 stars.
4.5 | 2 reviews
2 reviews
  • Michael MoranNov 02, 2025
    Rated 4 out of 5 stars.
    Recommended!

    Haven't been able to get but one charging cycle on it but it appears that it will be able to out perform the 16.8ah P42 Molicel I already have as I would expect

  • Greg SchrammeckSep 25, 2023
    Rated 5 out of 5 stars.

    Great batteries, I have 3 of them... They all work well with no issues... BMW has good communications, fast shipping, and are super people to work with!

    Store Ownerโ€ข
    Sep 27, 2023

    Thank you, sir!

  • SKU
    MPN
    Voltage
    Busbars
    BMS
    GTIN
    Brand
    name
    Product_name
    Capacity_ah
    Energy_Wh
    Cell_type
    battery_chemisty
    Bike_type
    Controller_capacity
    Manufactured_by
    Google_Category
    10647581026158
    52
    pure copper busbars
    10647581026158
    Bicycle Motor Works
    52v 18ah Molicel P45B Series Lithium ion E-Bike Battery
    52v 18ah Molicel P45B Series Lithium ion E-Bike Battery
    18
    Molicel P45B
    lithium-ion
    eBike
    High Powered Systems
    Bicycle Motor Works
    Electric Bike Batteries

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    Matt stamp - Bicycle Motor Works

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