72v 8ah Ampace JP40 Bluetooth BMS Li-ion eBike Battery
⚡ 72V 8ah Ampace JP40 Bluetooth eBike Battery Collection – Featuring 100 Balance Active BMS
Smart. Powerful. Connected. Built in the USA by Bicycle Motor Works.
🔋 The Next Generation of Smart eBike Batteries
Introducing the 72V Bluetooth Battery Collection, proudly built by Bicycle Motor Works – a family-owned U.S. manufacturer since 2014.
Every pack is designed for high-current performance, long-range riding, and advanced monitoring through the 100 Balance Active Balance BMS, now standard across our premium lineup.Unlike typical battery management systems, the 100 Balance BMS delivers real-time Bluetooth connectivity and active balancing technology for unmatched precision, safety, and control.
📱 100 Balance – Active Balance Bluetooth BMS Technology
Monitor your eBike battery directly from your smartphone with the free 100 Balance app.
View real-time metrics such as:
Voltage
Current
Temperature
State of charge (SOC)
💡 Active balance technology keeps your battery cells evenly balanced — even if not charged to 100%. This extends battery life, optimizes performance, and ensures consistent power delivery under heavy load.
⚙️ Available Models & Configurations - Compare below.
Choose your preferred voltage, capacity, and cell chemistry to match your riding style and performance needs.
🔸 72V Bluetooth Battery Options (20S2P) Compare Models!
| Cell Type | Capacity | Continuous Rating | Best For |
|---|---|---|---|
| Ampace JP40 | 8Ah | 80A | Top-tier current handling & cold weather performance |
| Samsung 40T | 8Ah | 70A | Reliable high-current output & compact design |
| Molicel P45B | 9Ah | 80A | Super high current & efficiency under sustained load |
Specs:
72V (20S2P), 60 Genuine 21700 Cells
Weight: ~7 lbs
Dimensions: 9.5” × 4.25” × 3.2”
BMS: 80A Continuous / 120A Burst
Connectors: XT-90S Output (No Spark) / XT-60 Charge Port
Rugged double-shrink rubber casing
🧠 Construction & Safety
Each 72V pack is precision-built for performance, protection, and longevity:
Solid nickel and copper busbars for low resistance
Tight internal structure improves heat dissipation
BMS temperature protection for thermal stability
Each cell and series is tested before assembly
Smart balancing for even voltage and optimized runtime
Every pack is hand-assembled and tested in Bethlehem, PA, using only certified genuine 21700 cells.
⚠️ Important Safety Guidelines
Lithium-ion batteries are powerful tools — handle with care.
Always:
Charge using the correct lithium-ion charger
Monitor charging in a safe area
Store in a cool, dry place
Contact us if you’re unsure about compatibility
Never:
Modify connectors, wires, or pack structure
Charge unattended or near flammables
Use a damaged or wet pack
Improper use can cause fire or injury. Always follow eBike battery best practices.
🚚 Shipping Information
All batteries are built to order
Lead time: 5–10 business days
Ships from Bethlehem, Pennsylvania
Tracking provided upon shipment
U.S.-based customer support always available
🏆 Why Riders Choose Bicycle Motor Works
🇺🇸 Proudly Built in the USA Since 2014
🔋 Premium Certified 21700 Cells Only – No rewraps or recycled cells
📱 Smart Bluetooth BMS Monitoring via 100 Balance App
⚙️ Active Balancing = Maximum Efficiency
👨🔧 Family-Owned, Quality-Driven Craftsmanship
Bicycle Motor Works – Advanced Technology. Authentic Power. Built Right Here in the USA.
Our policies must be read, understood and agreed upon before making a purchase, in which includes your the Privacy Policy, eBike Battery 101, Store Policies and Terms of Use. These materials are all located in the Resource Center.
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.