Samsung 50S Bluetooth BMS Li-ion eBike Battery

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

🔋 Available Models

• 52V 20Ah – Samsung 50S cells, 14S4P configuration, 80A BMS

• 52V 25Ah – Samsung 50S cells, extended range, active balancing

• 72V 20Ah – Molicel or Samsung 21700 cells, 20S3P configuration

⚙️ 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”

• 72V Dimensions: 13.75” x 3.2” x 4.5”

• 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.