Bicycle Motor Works 52V “Wedge” Mini Battery – Water-Resistant Lekkie Case
Made in the USA | Custom Copper Busbars | Compact, High-Performance Design
 
Meet the 52V Wedge Mini Battery, a Bicycle Motor Works exclusive — designed for riders who demand big power from a small, precision-built pack.
Featuring a custom water-resistant case designed by Lekkie and hand-assembled in our Bethlehem, Pennsylvania facility, this compact battery delivers exceptional performance, durability, and quality that imported packs simply can’t match.
We don’t just trust that overseas manufacturers use genuine parts — we are the manufacturer, ensuring every pack meets our exacting U.S. standards for power, reliability, and safety.
 
⚡ Product Overview
Model: The Wedge – 52V Mini, Water-Resistant Case
Design Collaboration: Lekkie × Bicycle Motor Works
Configuration: 52V 10Ah | 14S2P | Molicel P50B 21700 Cells
Application: Perfect for full-suspension frames and compact setups (BBS & CYC motors)
Now available with an optional built-in Apple AirTag tracker, allowing you to monitor and locate your battery 24/7.
 
🔋 Key Features
Made in the U.S.A. – Built with pride in our Bethlehem, PA facility
Lekkie-Designed Case – Water-resistant and engineered for strength and fit
Compact, All-Weather Build – Ideal for tight full-suspension eBike frames
Premium Molicel P50B 21700 Cells – High-output, high-efficiency cells
Custom 0.5mm Copper Busbars – Rated for over 300 continuous amps
60A BMS – Intelligent protection against overcharge/discharge
Push-button charge level indicator
ON/OFF switch for full input/output control
Built-in lock with 2 included keys for security
Metal-reinforced cradle with adjustable mounting anchor points
IP5 water-resistance rating – rubber sealing, enclosed discharge port
Lightweight, compact, and efficient
 
🧠 Precision Engineering & Build Quality
Every Wedge pack features solid copper busbars — 0.5mm thick, custom-cut, and capable of handling more than twice the current you’ll ever draw.
This design ensures:
Lower resistance and heat
Minimal voltage sag under load
Smooth, consistent power delivery
 
Spot-welded 0.2mm nickel/copper composite connections guarantee secure, efficient energy transfer across all 14 series.
The result? Maximum output, efficiency, and lifespan — built the right way, right here in the U.S.A.
🧰 Case Construction
Rubber seal under the lid for improved weatherproofing
Enclosed lock and discharge port reduce moisture entry
Six engagement lugs increase strength under load
Eight mounting screws ensure total case integrity
 
⚠️ Safety Information
Lithium-ion batteries must be charged and handled with care.
Use only the approved lithium-ion charger and follow all safety instructions.
Do Not:
Short-circuit, puncture, or expose to moisture
Modify wiring, housing, or connectors
Leave the battery charging unattended
Continue use if damaged or wet
If damaged, contact your local hazardous waste disposal facility for safe handling.
Always charge in a fire-safe location (metal enclosure, BBQ grill, or fireproof box recommended).
Read our eBike Battery 101 Guide and Terms & Conditions before purchasing.
Consult a professional if you’re new to eBike battery systems.
 
🚚 Shipping Information
All batteries are built to order and shipped in the order received.
Standard lead time: 6–10 business days
Tracking information sent once shipped
U.S.-based customer service available for any questions
 
🏆 Why Choose Bicycle Motor Works
Proudly built in the U.S.A. since 2014
Premium certified 21700 cells from trusted suppliers
Custom engineering for performance and longevity
Dedicated customer support from real battery experts
 
The Wedge: Compact power, American craftsmanship, and precision-engineered performance — built for riders who demand the best.
Bicycle Motor Works: Premium eBike Batteries. Built Right. Built Here.