Refined Footprint. Maximum Performance.

Introducing the 52V TrimLine Series — a purpose-built, reduced-footprint eBike battery engineered for riders who need high-current performance in a slimmer, more integrated enclosure.

Designed to fit tighter mounting systems, cargo cages, custom frames, and compact builds, the TrimLine removes unnecessary bulk while maintaining the power, durability, and cold-weather capability Bicycle Motor Works is known for.

Built in the USA using premium certified cells, pure copper busbars, and high-performance BMS configurations, this is a compact housing without compromise.

⚡ 52V Platform Specifications

• Nominal Voltage: 52V (14S)

• Compact Enclosure: 9.5” x 3” x 3.75”

• Cell Brand: Ampace JP50 15ah 

• High-Current BMS Options Available

• Pure Copper Busbars

• Professionally Assembled & Quality Tested in the USA

• XT60 (or custom connector upon request)

• Ideal for performance mid-drives & high-output controllers

• Compatible with tight rack mounts & cage systems

*** Not sure about this model? We have a variety of other cell brand options available.

COMPARE OTHER CELL OPTIONS:

Each TrimLine battery is built to order with your choice of premium high-discharge cells:

12Ah Class (High Power / Lightweight Focus)

• Ampace JP40 – 12Ah

• EVE 40PL – 12Ah

• Samsung 40T – 12Ah

• Molicel P42A – 12.6Ah

Best for: Lightweight builds, high burst output, aggressive riding setups.

13.5Ah Class (Balanced Power & Range)

• Samsung 45T – 13.5Ah

• Molicel P45B – 13.5Ah

• BAK 45D – 13.5Ah

Best for: Riders wanting strong continuous output with added range headroom.

15Ah Class (Extended Range / High Energy Density)

• Ampace JP50 – 15Ah

• EVE 50PL – 15Ah

• LG 15Ah Platform

• Molicel P50B – 15Ah

• Samsung 50S – 15Ah

Best for: Longer rides, higher efficiency builds, winter-ready performance platforms.

Winter-Ready Performance Available

Many of these cell platforms (JP50, P50B, P45B, 50S, etc.) are part of our proven cold-weather capable lineup — engineered to reduce resistance and voltage sag during lower temperature riding.

If you ride year-round, ask us about the best winter-optimized configuration.

Why TrimLine?

• Reduced footprint for compact mounting systems

• Lower-profile housing for cleaner integration

• High-current capability without oversized enclosures

• Built for performance mid-drives (CYC, BBSHD, ASI, BAC setups)

• U.S.-assembled with premium materials

This is not a “small battery.”
This is a precision-sized performance platform.

Built with Care. Tested for Excellence.

Every Bicycle Motor Works battery is hand-assembled, spot-welded, and tested for voltage, balance, and resistance.

Each unit includes:

• Precision cell-matching and balancing

• Solid nickel and copper connections for efficient current delivery

• 80A continuous BMS with integrated temperature protection

• Smart balancing circuit for extended cell life and performance consistency

Our compact frame design improves heat transfer and safety by minimizing internal air gaps — ensuring every ride stays cool and reliable.

Not Sure Which Cell to Choose?

We’re battery specialists.
Tell us your motor, controller, riding style, and climate — and we’ll match you to the right cell chemistry and discharge profile.

⚠️ Safety Guidelines

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

Please follow these precautions:

• Use only the correct lithium-ion charger

• Never short, puncture, or modify the pack

• Do not charge unattended or near flammable materials

• Avoid use if wet, swollen, or physically damaged

• Charge in a fireproof or metal container

• Read our eBike Battery 101 Guide for detailed safety and care tips

Improper use can result in injury or damage — if in doubt, consult a professional.

🚚 Shipping Information

• Built to order and shipped in sequence

• Typical lead time: 5–10 business days

• Tracking provided upon shipment

• Ships from Bethlehem, Pennsylvania

• U.S.-based support available for all customers

🏆 Why Riders Choose Bicycle Motor Works

• 🇺🇸 Proudly Built in the USA since 2014
• 👨‍🔧 Family-Owned, Quality-Focused Craftsmanship
• 🔋 Premium Certified 21700 Cells Only – Never Rewrapped
• ⚙️ High-Performance Engineering for Real Riders
• 🧰 Trusted Nationwide by Builders & Enthusiasts

Bicycle Motor Works – Premium American-Made eBike Batteries. Engineered for Power. Built to Last.