52v 15ah Samsung 50S | Bicycle Motor Works - “100 Balance” Bluetooth BMS eBike Battery Collection
Made in the USA | Smart Active Balance BMS | High-Performance, Long-Range Power
 
Experience next-level performance with the Bicycle Motor Works Premium Bluetooth eBike Battery Collection, exclusively built with brand 100 Balance – Active Balance BMS technology.
After extensive testing and proven results, we’re proud to introduce these advanced Bluetooth-enabled BMS batteries — giving riders real-time access to their pack’s voltage, current, temperature, and state of charge directly from their smartphone via Bluetooth.
With Active Balance technology, your cells remain fully balanced without needing to charge to 100%, extending battery life and improving long-term performance.
Built for serious riders and custom eBike builders, these packs combine premium 21700 cells, solid copper/nickel construction, and smart safety engineering — all designed, assembled, and tested in the U.S.A. since 2014.
 
⚡ Key Features
Exclusive “100 Balance” Active Balance BMS – Bluetooth-enabled for remote monitoring
Smartphone Connectivity – Track voltage, current, temperature, and charge in real time
Active Cell Balancing – Extends lifespan; no need to charge to 100%
80A Long-Range BMS – Supports medium to high current applications
Hand-built in the U.S.A. using Grade-A certified 21700 cells
Compact, rugged construction – double-shrink wrapped, thick rubber outer layer
Bluetooth App Monitoring (compatible with most Android/iOS devices)
Perfect for: BBSHD Ludicrous, ASI BAC, and high-power eBike setups
 
15ah Samsung 50S - Bluetooth BMS
High Current 14S 3P pack with Samsung 21700 50S cells
15 amp hours, Samsung's Super 50S Cells  - long range.
 
⚙️ Technical Highlights
Continuous Output: 80A | Max Output: 120A
Connectors: XT-90S (no-spark) discharge / XT-60 charge lead
Wire Gauge: 10AWG silicone for high current handling
Weight: ~7 lbs
52V Dimensions: 12.25” x 3.2” x 4.25”
Cycle Life: 400–1000 full charges
Cell Testing: Each cell and series tested before assembly
BMS Safety Features: Overcharge, over-discharge, and thermal protection
The compact frame design enhances heat dissipation, reducing insulation effects and ensuring cooler operation. Each battery is built with solid nickel and copper bus bars, precision spot-welded for maximum conductivity and durability.
 
⚠️ Safety Notice
Lithium-ion batteries are powerful energy systems and must be used with care.
Only charge this battery with the proper lithium-ion charger and follow all safety precautions.
Do Not:
Modify wiring, housing, or connectors
Short-circuit or expose to moisture
Charge unattended or near flammable materials
If damaged or wet, do not use. Contact your local hazardous waste disposal facility for proper disposal.
 
📦 Shipping & Support
All eBike batteries are built to order and shipped in the order received
Typical lead time: 6-10 business days
Tracking information provided once shipped
Expert support available for configuration, installation, and product verification
 
🏆 Why Choose Bicycle Motor Works
Over 10 years of U.S.-based eBike battery innovation
Premium certified cells from Samsung and Molicel
Custom consulting for upgrades, replacements, and unique builds
Proven safety, reliability, and customer support
 
Ride smarter with Bluetooth-enabled, actively balanced battery technology — built for power, performance, and peace of mind.
Bicycle Motor Works: American Craftsmanship. Intelligent Energy.