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72V 20AH Triangular E-Bike Battery | Samsung 50G Cells | Smart Bluetooth BMS | Metal Case
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- 🔋 Extended 72V 20AH Range with Premium Samsung Cells : Power your longest rides with the exceptional capacity of this 72V 20AH triangle battery. Its 1440Wh energy reserve, built with 80 authentic Samsung 21700-50G cells in a precise 20S4P configuration, delivers reliable power and extended range for demanding e-bike and e-scooter applications.
- 🔺 Custom Triangular Metal Housing for Perfect, Secure Fit : Engineered for seamless integration, this 72V 20AH triangular lithium battery features a robust metal housing designed specifically to fit triangular bicycle frames. This custom design eliminates installation hassles and provides superior protection and a sleek, OEM-like appearance for your electric bike.
- ⚖️ Optimized Power-to-Weight Ratio in a Compact Form : Experience high power without the bulk. This 72V 20AH triangle battery achieves an excellent power-to-weight ratio, weighing approximately 8 kg (17.6 lbs). Its compact, triangular dimensions are optimized to fit discreetly in frame compartments, making it one of the most practical and powerful 72V lithium batteries for adult electric bikes.
- 📱 Smart 72V Bluetooth BMS for Real-Time Monitoring & Control : Take intelligent command of your 72V 20AH battery with the built-in smart BMS. Featuring Bluetooth communication, it allows for real-time monitoring of voltage, temperature, and state of charge via a mobile app. This smart lithium battery enables remote control for enhanced security, convenience, and battery longevity.
- ⚡ Fast Charging Solution with 84V 5A Smart Charger : Minimize downtime with the included 84V 5A fast charger, specifically designed for this 72V 20AH e-bike battery. This smart charging system efficiently restores power, supporting worldwide voltage (100-240V) for ultimate convenience. It's the perfect companion for your high-capacity triangle lithium battery pack.
BMS & Motor Power(72V Battery Configuration)
30A BMS → For 1000W-1500W Motors (Balanced)
40A BMS → For 1500W-2000W Motors (Performance)
50A BMS → For 2000W-2500W Motors (High-Performance)
60A BMS → For 3000W+ Motors (Extreme)
Discharge Plug
QS8 plug
Anderson 50A
XT90F/M
XT60F/M
Wire only
BMS & Motor Power(72V Battery Configuration)
Discharge Plug
Free Shipping
30 Day Return
100% Secure Payment
24-Hour Prompt Response
1 Years Warranty
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72V 20AH Triangular Lithium Battery
Power Your Ride with Smart, Safe, and Fast-Charging Energy
• Premium Power Core: Engineered for high-performance electric vehicles, this 72V 20AH battery is built with a robust 20S4P configuration, utilizing 80 authentic Samsung 21700-50G cells. This ensures exceptional energy density, reliable long-lasting power, and stable output for your e-bike or scooter.
• Smart Connectivity & Control: Stay in complete command of your battery's health. The built-in intelligent BMS with Bluetooth allows you to monitor voltage, temperature, and charge cycles in real-time via a dedicated mobile app. Unlock the convenience of remotely managing charge and discharge functions, all from your smartphone.
• Durable & Safe Design: Housed in a sleek, triangular metal casing that perfectly fits triangular bike frames, this battery is built to last. It features excellent IP-rated waterproof performance and a comprehensive suite of safety protections, offering you peace of mind on every ride.
• Fast Charging Solution: Get back on the road faster. This package includes a high-quality 84V 5A fast smart charger, designed to significantly reduce charging downtime while protecting your battery's lifespan.
Engineered with 80 Authentic Samsung 21700-50G Cells
- ✅ Guaranteed Authenticity & Safety: We use only original, brand-new Samsung 50G cells. This eliminates the risks of counterfeit products, ensuring top-tier safety and peace of mind for every ride.
- ✅ Extended Range & Runtime: With a high 5000mAh capacity per cell, this battery is engineered for maximum energy storage, giving you longer distances and more riding time on a single charge.
- ✅ Consistent High Performance: Experience reliable power even during acceleration or on inclines. These cells are known for excellent energy density and a stable discharge rate, ensuring a smooth and powerful ride.
- ✅ Long-Term Reliability & Value: Manufactured to the highest standards, Samsung cells offer an exceptional cycle life. This means your investment lasts longer, maintaining capacity and performance over many more charges.
Smart Bluetooth BMS: Total Control & Advanced Protection at Your Fingertips
- 📱 Real-Time Monitoring & Diagnostics: Connect directly to your battery via Bluetooth. Our dedicated app shows you real-time data including voltage, current, temperature, and precise state of charge. Access advanced diagnostics like cycle count and cell voltage balance for complete peace of mind.
- ⚙️ Remote Control & Convenience: Go beyond simple monitoring. Remotely turn your battery on or off directly from your phone, adding a layer of security and theft prevention. You can also start or stop the charging process remotely, giving you ultimate control and flexibility.
- 🛡️ Proactive Safety Management: The intelligent BMS actively protects your investment with multiple layers of safety: Over-Charge, Over-Discharge, Over-Current, Short-Circuit, and Temperature Protection. It works tirelessly to prevent hazardous situations and extend battery lifespan.
- 🔋 Maximized Battery Life & Health: Experience long-term reliability. Our BMS features advanced cell balancing technology to ensure all cells wear evenly, which maximizes the overall capacity and significantly extends the service life of your battery pack.
🔧 Professional Guidance - Choosing the Right BMS: To ensure optimal performance and safety, it's crucial to match your battery's BMS discharge current with your motor's power. As a simple rule of thumb:
- For 1000W-1500W motors: Look for a continuous discharge current of 30A-40A.
- For 1500W-2000W motors: A BMS with 40A-50A continuous discharge is recommended.
- For high-performance 2000W+ motors: Ensure a 50A+ continuous discharge current.
Our battery's BMS is robustly designed to support a wide range of motors. Please check your motor's specifications or consult with us to ensure a perfect and safe match for your riding needs.
Integrated Power Display: Instant Clarity at a Glance
- 🔋 Instant State-of-Charge Check: Get a quick and accurate readout of your remaining battery life at a glance. No need to open your phone—just look down to see the clear percentage or level indicator, making ride planning simple and effortless.
- 📊 Your Primary & Reliable Gauge: This display serves as your always-available, primary information center. It works independently of Bluetooth, ensuring you never lose track of your power status, even without your phone or during a connectivity drop.
- 🎨 Seamless & User-Friendly Design: The display is cleanly integrated into the metal housing, maintaining the sleek, triangular form factor. Its intuitive interface requires no manual reading, offering immediate understanding for all riders.
- 💡 Enhanced Riding Experience: Combining this physical display with the smart BMS app gives you the ultimate flexibility in monitoring. Use the display for quick checks and the app for deep dives, ensuring you're always fully informed about your battery's status.
84V 5A Fast Smart Charger: Rapid Power & Battery Longevity
Get back on the road faster. Our 84V 5A fast charger is specifically engineered to work in perfect harmony with your 72V battery, significantly recharging your battery in just a few hours. It's not just about speed; it's about intelligence and preservation.
Utilizing an intelligent CC/CV (Constant Current/Constant Voltage) charging profile, it actively safeguards your Samsung cells from stress and overcharging, extending the overall lifespan of your investment. Built-in protections against over-voltage, over-current, and overheating ensure every charge cycle is safe and reliable.
Charger Specifications:
- Model: Li-ion Smart Charger
- Input: AC 100-240V
- Output: 84V 5A
- Technology: 3-Stage (CC/CV)
- Protections: OVP, OCP, Short-Circuit
- Compatibility: 72V Lithium ion Battery
Universal Compatibility: User-Replaceable Discharge Connector
- 🔌 No Adapter Needed - Perfect Fit Guaranteed: Frustrated with incompatible connectors? Our battery solves this. It features a user-replaceable discharge port, allowing you to easily swap the plug to match your specific motor connector—whether it's XT60, XT90, Anderson, or any other type. Achieve a clean, direct, and secure connection without bulky and unreliable adapters.
- 🛠️ DIY-Friendly & Future-Proof: We empower you to customize your setup. The simple swap process means you can install it yourself in minutes with basic tools. This future-proofs your investment; if you change your e-bike or motor in the future, simply change the connector, not the entire battery.
- ⚡ Optimized for Safety & Performance: A proper, direct connection is not just about convenience—it's about safety and performance. It minimizes voltage drop, reduces resistance, and prevents overheating at the connection point, ensuring all the power from your Samsung cells is efficiently delivered to your motor.
Commonly Swapped Connector Types:
XT60 XT90 Anderson QS-8 3 Pin and more...
Understanding Your Range: A Transparent Guide for Real Riders
- 📊 Our Testing Benchmark (The "Ideal"): The 45-70 km (28-44 miles) range is achieved under controlled conditions to provide a consistent performance benchmark:
- Rider Weight: 75 kg (165 lbs)
- Terrain: Flat, paved road
- Assist Level: Moderate (Pedal Assist Level 2-3 out of 5)
- Speed: Steady 20-25 km/h (13-16 mph)
- Temperature: Mild, at 25°C (77°F)
- Tire Pressure: Optimized as per manufacturer recommendation
- 🔁 How This Translates to YOUR Real World: Your journey is unique. Here’s a realistic breakdown of how different conditions directly impact range, using our 20AH (72V) battery as a base:
- ➡️ The Ideal (Our Benchmark): ~45-70 km. This is your best-case scenario for efficient cruising.
- ➡️ City Commuting (Start/Stop): ~35-55 km. Frequent acceleration and braking in traffic consumes more power.
- ➡️ Hilly Terrain or Heavy Load (90kg+/200lbs+ rider): ~25-45 km. Conquering hills and carrying weight is the most energy-intensive.
- ➡️ Cold Weather (Below 10°C/50°F): ~30-50 km. Lithium-ion chemistry is less efficient, temporarily reducing capacity.
- ➡️ Throttle-Only / Max Assist: ~20-40 km. Providing all the power yourself dramatically increases consumption.
- 🤔 Why We Do It This Way: Providing a standardized benchmark allows for a fair and consistent comparison between different batteries on the market. It proves the high-quality energy potential of our Samsung 50G cells. The wide range (45-70km) itself acknowledges that real-world results vary, and we want you to be fully informed.
- 💡 The Bottom Line: While we can't predict your exact mileage, we guarantee this: our 72V20AH battery provides a substantial and reliable energy reserve that comfortably exceeds the needs of most daily commutes and is built to deliver power consistently across all these real-world conditions.
Technical Specifications
| Basic Parameters | |
| Battery Model | 72V 20AH 1440Wh triangular Battery Pack |
| Production Process | 20S4P Configuration |
| Dimensions (L×W×H×...) | 330×195×120×240×75×85 mm(12.99" × 7.68" × 4.72" × 9.45" × 2.95" × 3.35") |
| Weight | Approx. 8.0 kg (17.6 lbs) |
| Cell Parameters | |
| Cell Brand & Model | Samsung INR21700-50G |
| Nominal Capacity | 5000mAh per cell |
| Max. Continuous Discharge | 9.8A (Continuous) / 14.7A (Peak) |
| BMS & Performance | |
| BMS Type | Smart BMS (JBD/ANT/JK) with Bluetooth/WiFi |
| Communication | iOS & Android App for Real-time Monitoring & Remote Control |
| Voltage Range | Discharge: 50V (Cut-off) — Charge: 84V (Full) |
| Charger Specifications | |
| Output | 84V 5A Smart Charger |
| Charging Time | ~3 hours to 80% | ~4-5 hours to full |
| Input & Compatibility | AC 100-240V (Worldwide); US/EU/UK/AU Plugs Available |
| Temperature & Safety | |
| Operating Temperature | Charging: 0°C to 45°C (Recommended) | Discharging: -20°C to 60°C |
| Optimal Storage SOC | Maintain at 40%-60% (3.7V-3.8V per cell) |
⚠️ Important Usage Notes
- Avoid Extreme SOC: Do not store the battery long-term at either full charge (100%) or deep discharge (<10%).
- Ideal Environment: Store and operate in a cool, dry place at 15-25°C for minimal degradation.
- Physical Integrity: Protect from severe impact, compression, and contact with metal objects to prevent short circuits.
- Long-Term Storage: For periods exceeding one month, perform a partial charge/discharge cycle every 3 months to maintain cell health.
Pro Tip: Due to its custom shape, we recommend verifying fitment with your frame's specifications or measuring your battery compartment directly.
