Fast Delivery
72V 20Ah E-Bike Triangle Battery - Samsung 21700-50G Cells & Bluetooth BMS | For 1800W-3000W Motors
$569.99
Free Shipping
$569.99
Free Shipping
$569.99
Free Shipping
$569.99
Free Shipping
$569.99
Free Shipping
$578.99
Free Shipping
$578.99
Free Shipping
$578.99
Free Shipping
$578.99
Free Shipping
$578.99
Free Shipping
$569.99
Free Shipping
- 🚀 Maximum Range & Power : 1440Wh Energy Capacity - Experience extended rides with our high-performance 72V 20Ah triangle battery.
- 🔺 Perfect Triangle Fit : Specifically engineered to fit e-bike triangle frames (approx. 11"×6.9"×3.5"×8.7"×2.6"×3") and weighing only 14.3 lbs. This space-saving 72V 20Ah lithium battery maintains a sleek profile while providing maximum power capacity in minimal space.
- 🔋 Samsung Premium Cells : Built with 80 genuine Samsung 21700-50G lithium-ion cells in a 20S4P configuration. This premium cell selection guarantees superior energy density, extended battery life (1000+ cycles), and enhanced safety for your 72V ebike system.
- 📱 Smart App Control : Features an intelligent Bluetooth-enabled BMS for real-time protection and monitoring of your 20Ah lithium battery. Remotely manage charging, track performance, and receive safety alerts through our dedicated iOS/Android mobile application.
- ⚡ Fast Charging & Custom Power : Includes an 84V 5A fast charger for quick recharge of your 72V lithium battery. Choose from 30A or 50A BMS options to perfectly match your motor power requirements (1800W to 3000W) for optimal electric bike performance.
BMS Discharge Current (Select Motor Power)
30A for 1800W Motors(MAX)
50A for 3000W Motors(MAX)
Discharge Plug
QS8 plug
Anderson 50A
XT60F/M
XT90F/M
Wire only
BMS Discharge Current (Select Motor Power)
Discharge Plug
Free Shipping
30 Day Return
100% Secure Payment
24-Hour Prompt Response
1 Years Warranty
Secure Payment
72V 20Ah Triangle Lithium Battery - Premium E-Bike Power Solution
Power your electric bicycle with our advanced 72V 20Ah triangle lithium battery. Built with 80 genuine Samsung 21700-50G cells (20S 4P configuration), it delivers superior energy density and long cycle life. The space-saving triangular design fits perfectly into bike frames.
Core Specifications
Voltage/Capacity: 72V 20Ah (1440Wh)
Cell Configuration: 20S 4P (80 cells)
Cell Type: Samsung 21700-50G
Dimensions: Triangle frame compatible
Smart Features
BMS: Bluetooth-enabled intelligent system
Protection: Real-time monitoring & safety controls
App Control: Remote monitoring via smartphone
Charger: 84V 5A fast smart charger included
Perfect for: Electric bicycle conversions, commuter e-bikes, and performance cycling.
Samsung 21700-50G Battery Cell
Premium Cells Used in Our 72V 20Ah Triangle Lithium Battery
Nominal Capacity
per cell
4.85Ah
Continuous Discharge
Maximum Current
9.8A
Charging Voltage
Max Charging
4.2V
Cycle Life
at 80% capacity
1000+
Our Battery Pack Configuration: 80 cells (20S 4P) × 4.85Ah = 20Ah total capacity at 72V
72V 20AH Battery Custom Connectors
Tailored solutions for your specific power connection needs
Perfect Fit & Easy Installation
Direct plug-and-play connection without adapters for quick setup
Optimal Power Performance
Maximizes current flow and efficiency for peak battery performance
Enhanced Safety & Durability
Weather-resistant design prevents sparks, short circuits and withstands tough conditions
Built-to-Last Quality
Durable construction ensures long-term reliability and consistent power delivery
72V 20AH Triangular Lithium Battery
With 84V 5A Smart Fast Charger
Fast Charging Speed
5A output delivers rapid charging, reducing recharge time.
Battery Protection
Prevents overcharging and extends battery lifespan.
Optimal Performance
84V ensures balanced charging of all battery cells.
Smart Technology
Automatically adjusts based on battery condition.
E-Bike Range Calculator
72V 20Ah Triangle battery with Samsung 21700-50G cells
30A BMS • 1800W Motor
Motor Current at Full Power 25A
Current per Cell 6.25A
Cell Stress Level Low Stress
Estimated Range
Full Throttle (1800W)
35-40 km
Mixed Riding (1200W avg)
45-55 km
50A BMS • 3000W Motor
Motor Current at Full Power 41.7A
Current per Cell 10.4A
Cell Stress Level High Stress
Estimated Range
Full Throttle (3000W)
25-30 km
Mixed Riding (2000W avg)
35-40 km
Smart Bluetooth BMS Protection System
Built-in intelligent protection with real-time monitoring through mobile app
Bluetooth 5.0 Connectivity
Wireless Monitoring: Real-time battery status monitoring within 50m range
iOS & Android Support: Dedicated app available for both operating systems
Instant Alerts: Receive notifications for voltage, current, and temperature issues
iOS & Android Support: Dedicated app available for both operating systems
Instant Alerts: Receive notifications for voltage, current, and temperature issues
WiFi Remote Control
Remote Access: Monitor and control your battery from anywhere with internet
Cloud Integration: Store battery data and access usage history online
Multi-device Access: Connect from smartphones, tablets, or computers
Cloud Integration: Store battery data and access usage history online
Multi-device Access: Connect from smartphones, tablets, or computers
App Control Features
Real-time Monitoring: Check voltage, current, temperature, and SOC
Remote Control: Enable/disable charging and discharging functions
Usage Analytics: Track performance data and battery health metrics
Remote Control: Enable/disable charging and discharging functions
Usage Analytics: Track performance data and battery health metrics
Smart Protection
Advanced Safety: Overcharge, over-discharge, and temperature protection
Cell Balancing: Ensures even performance across all 80 cells
Multi-layer Security: Hardware + software protection for maximum safety
Cell Balancing: Ensures even performance across all 80 cells
Multi-layer Security: Hardware + software protection for maximum safety
Battery Current Rating & Motor Compatibility
| BMS Discharge Current | Recommended Motor Power |
|---|---|
| 30A Continuous Standard discharge rating for reliable daily use | 1800W Motor Ideal for commuter and city electric bicycles |
| 50A Continuous High-performance rating for enhanced power delivery | 3000W Motor Perfect for off-road and high-speed applications |
Note: Our 72V 20Ah battery can be configured with 30A/50A BMS to match your specific motor requirements. All options include Bluetooth/WiFi connectivity and are compatible with both iOS & Android apps. Choose the current rating that best fits your motor power needs for optimal performance and safety.
Battery Specifications
Premium electric bike battery with Samsung 21700-50G cells and smart BMS Protection
Battery Specifications
Model
72V 20Ah Triangle Battery
Configuration
20S 4P (80 cells total)
Dimensions
Triangle frame compatible design
Weight
Approx. 6.5kg
Cell Specifications
Cell Type
Samsung INR21700-50G
Cell Capacity
5,000mAh per cell
Continuous Discharge
9.8A per cell
Cell Voltage
3.6V nominal / 4.2V max
Smart BMS Features
Connectivity
Bluetooth 5.0 + WiFi
App Support
iOS & Android compatible
Protection
Overcharge/over-discharge/temperature/short circuit
Monitoring
Real-time voltage, current, temperature, SOC
Charging & Performance
Charger
84V 5A fast smart charger included
Charging Time
4-5 hours to full charge
Voltage Range
50V (min) - 84V (max)
BMS Options
30A/50A available
Key Performance Data
1440Wh
Total Energy Capacity
1000+ Cycles
Cycle Life (80% capacity)
-20°C to 60°C
Operating Temperature
80 Cells
Samsung 21700-50G Cells
Important Notes & Recommendations
Storage: Maintain 40-60% charge for long-term storage. Avoid storing at full or empty charge.
Temperature: Ideal operating range is 15-25°C. Do not charge below 0°C or above 60°C.
Charging: Use only the provided 84V 5A smart charger. Full charge takes 4-5 hours.
Compatibility: Available with 30A (1800W), 50A (3000W) BMS for different motors.
