48V 10ah Samsung 50S Lithium-ion eBike Battery
48V 10ah Samsung 50S eBike Battery -
Bicycle Motor Works Premium 48V eBike Battery Collection
Made in the U.S.A. | Genuine Certified 21700 Cells | High-Performance Power for All-Weather Riders
Upgrade your ride with premium American-made eBike batteries from Bicycle Motor Works — designed for riders who demand performance, reliability, and safety.
Every pack is hand-built in the USA using Grade-A certified 21700 lithium-ion cells and engineered to deliver powerful, efficient performance for daily commuting, off-road adventures, and all-weather conditions.
Perfect for replacement or upgrades, our 48V packs offer the ultimate combination of lightweight design, high output, and long lifespan.
⚡ Key Features
Premium 48V eBike Battery Collection – built in the U.S.A. for performance & durability
Replacement eBike Batteries (customization consulting available)
Grade-A 21700 Cells – consistent power, longer life, and higher safety
Compact, lightweight design (under 5 lbs!) for better balance and portability
Engineered for efficiency with superior heat dissipation and protection
45A continuous / 100A max BMS – with temperature and short-circuit protection
XT-90S (no-spark) discharge connector and XT-60 charge lead
400–1000 charge cycles lifespan
Dedicated customer service and technical support always available
🔋 COMPARE & SHOP MODEL OPTIONS!
Cell & Capacity Options (48V 8Ah–10Ah)
| Cell Type | Current Rating | Ideal Use |
|---|---|---|
| Samsung 40T | Medium-High | Balanced power and range |
| Samsung 50S | Medium | Efficient for long rides |
| Molicel P42A | High | Performance-focused builds |
| Molicel P45B | Ultra-High | Extreme torque & thermal control |
| Molicel P50B | Ultra-High | Top-tier output and endurance |
📏 Technical Specifications
Size: 4" × 6.5" × 3"
Configuration: 13s2p – 26 Genuine Grade-A 21700 cells
Continuous Discharge: 45A (100A max)
Connectors: XT-90S (no spark) discharge / XT-60 charge lead
Temperature Protection: Built-in thermal safety monitoring
Cycle Life: 400–1000 full charges
Construction: Solid nickel and copper welded connections for high conductivity
Our tight-frame design minimizes empty air space, improving heat dissipation and longevity. Each cell and series is individually tested prior to assembly. The integrated Battery Management System (BMS) prevents over-charging, over-discharging, and automatically balances cells for maximum efficiency and safety.
⚠️ Safety Information
Important: Lithium-ion batteries must be charged and handled responsibly.
Always use the correct lithium-ion charger and follow all safety guidelines.
Do Not:
Leave the battery charging unattended
Short-circuit, puncture, or expose to moisture
Modify wiring, connectors, or housing
Continue using a damaged or wet pack
If damaged, contact your local hazardous waste disposal facility for proper disposal. Always charge your battery in a fire-safe area such as a metal enclosure or non-flammable container.
Failure to follow proper charging and safety procedures may cause fire, injury, or property damage.
🏆 Why Choose Bicycle Motor Works
Over 10 years of trusted U.S. eBike battery craftsmanship
Custom consulting available for replacement or performance upgrades
Built with premium cells, tested components, and safety-first engineering
Backed by full customer support and a commitment to rider confidence
Experience the difference of American-made, high-performance eBike batteries.
Bicycle Motor Works — Reliable Power. Built for Riders.
Terms and Conditions
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.
Cell Information
Learn more about the advancements made in the P50B cell technology within this comprehensive article on the Molicel P50B.
Shipping Notice:
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.

