48v 12ah Samsung 40T Lithium-ion eBike Battery
48v 12ah Samsung 40T eBike Battery
Bicycle Motor Works Premium 48V eBike Battery Collection
Made in the USA | Genuine Certified Premium Cells | Designed for All-Weather, High-Performance Riding
Experience premium American-made power with the Bicycle Motor Works 48V eBike Battery Collection.
Each pack is hand-built in the U.S.A. using Grade-A, certified 21700 lithium-ion cells to deliver unmatched durability, long life, and reliable performance — no matter the weather or terrain.Perfect for replacement or upgrade, these batteries are engineered for maximum efficiency, stability, and safety, giving you the power to ride farther, faster, and smarter.
⚡ Key Features
Premium 48V eBike Battery Collection — built for power, performance & reliability
Made in the U.S.A. with genuine certified premium 21700 cells
Replacement & upgrade options with customization consulting available
Longer lifespan and superior performance for all-weather riders
Solid nickel and copper connections – precision spot-welded for efficiency
Temperature-protected BMS prevents overcharging & cell imbalance
XT-90S (no-spark) discharge connector and XT-60 charging lead
Compact frame for improved heat dissipation and safety
Full customer support always available
🔋 SHOP and COMPARE MODELS!
Cell & Capacity Options
| Cell Type | Current Rating | Ideal Use |
|---|---|---|
| Samsung 40T | Medium-High | Balanced power & efficiency |
| Samsung 50S | Medium | Extended range & energy density |
| Molicel P42A | High | Great for performance riders |
| Molicel P45B | Ultra High | Superior heat control & stability |
| Molicel P50B | Ultra High | Maximum output & long life |
📏 Technical Specifications
Size: 11.5" x 3" x 3.125"
Configuration: 13s3p – 39 genuine, Grade-A 21700 cells
BMS: 50A continuous / 100A maximum (temperature protected)
Connectors: XT-90S (no spark) discharge / XT-60 charge lead
Cycle Life: 400–1000 full charge cycles
Frame Design: Compact build enhances heat dissipation
Testing: Each cell & series tested before assembly for quality & consistency
This 48V pack is precision-built with a tight frame, ensuring optimal thermal management. Air gaps inside a pack can trap heat — but our efficient structure allows consistent cooling for safer, longer-lasting power. The BMS (Battery Management System) provides active protection against overcharge, over-discharge, and imbalance, making every ride smoother and safer.
⚠️ Safety & Handling
Lithium-ion batteries require careful handling.
Please read and follow all safety instructions before use.
Only charge this battery with the appropriate lithium-ion charger.
Do not:
Leave batteries charging unattended
Short-circuit, puncture, or expose to moisture
Open, alter, or modify the pack or its wiring
Continue using a damaged or wet pack
If a battery becomes damaged, contact your local hazardous waste disposal office immediately. Always charge your battery in a fire-safe area (many riders use metal or enclosed containers for added protection).
Failure to follow safety guidelines may result in fire, injury, or equipment damage.
✅ Why Choose Bicycle Motor Works
Over a decade of trusted U.S.-based eBike battery manufacturing
Expert customer service & consultation available
Committed to safety, sustainability, and American craftsmanship
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.