SUYIJIA 72V High-Power 21700 Lithium-Ion Battery Series.
SUYIJIA High-Power 72V 21700 Lithium-Ion Battery Series –
10Ah to 50Ah Capacity Options for Up to 3800W Motors (20S Smart BMS, XT90 Output & Matching 5A Fast Charger Included)
Supercharge your high-speed electric motorcycle, heavy-duty e-bike conversion, or utility trike with the SUYIJIA 72V 21700 High-Power Lithium Battery Pack. Assembled with premium high-density 3.7V 5000mAh 21700 cylindrical cells, this 72V system delivers exceptional discharge efficiency, reduced voltage sag under load, and extended service life compared to traditional lead-acid or standard 18650 packs.
Engineered to support peak power draws up to 3800W, each pack is governed by an integrated 20S 40A/50A Smart BMS with up to 100A peak discharge bursts. Complete with heavy-duty XT90 output connectors, a dedicated DC5.5x2.1mm charging port, and an included 84V 5A fast charger, this turnkey kit provides high-voltage performance for demanding builds.
⚠️ System Compatibility & Connector Guide
IMPORTANT VOLTAGE & CONNECTOR INFORMATION:
Nominal 72V (20S Configuration): Charges to 84V Maximum and operates down to a 55V Discharge Cutoff. Ensure your motor controller is rated for 72V nominal systems ($55\text{V–}84\text{V}$ operating window).
Standard Discharge Connector: Pre-wired with heavy-duty XT90 connectors for high-current throughput (Default output plugs can be customized upon request).
Charging Port: Features a dedicated DC 5.5mm × 2.1mm charging port designed specifically for the included 84V 5A charger (Maximum charge current: $10\text{A}$).
🚀 Key High-Performance Features
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High-Density 21700 Cell Technology: Built using $5000\text{mAh}$ 21700 cell matrices for maximum energy-to-weight ratio and cooler operation under high discharge rates.
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3500W+ Peak Power Handling: Capable of feeding high-torque hub and mid-drive motors rated up to 3800W without triggering premature thermal cutoffs.
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Integrated 20S Smart BMS: Provides comprehensive multi-point circuit protection against overcharging, deep discharge, over-current, and short circuits.
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Included 5A Fast Charger: Shipped complete with an 84V 5A smart CC/CV charger to minimize downtime between rides.
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Zero Memory Effect: Recharge at any state of charge without diminishing cell capacity over time.
📊 Technical Specifications Matrix
| Specification Parameter | SUYIJIA 72V 21700 Battery Specifications |
| Brand Name | SUYIJIA |
| Cell Format / Chemistry | 21700 Lithium-Ion (3.7V 5000mAh base cells) |
| Nominal Voltage | 72V DC (20S Configuration) |
| Capacity Options | 10Ah, 15Ah, 20Ah, 25Ah, 30Ah, 35Ah, 40Ah, 45Ah, 50Ah |
| Voltage Range | 55V Cutoff – 84V Full Charge |
| Continuous Discharge Current | 40A / 50A Continuous |
| Peak Burst Discharge | 80A / 100A Peak |
| Max Suitable Motor Power | Up to 3800W (72V) |
| Connectors | XT90 Discharge / DC5.5×2.1mm Charge Port |
| Cycle Lifespan | > 1,000 Full Cycles |
| Charger Included | 84V 5A Fast Charger (CC/CV Mode) |
| Operating Temperature | Charge: $0^\circ\text{C}$ to $45^\circ\text{C}$ | Discharge: $$-20^\circ\text{C$ to $$65^\circ\text{C$ |
| Certifications | CE Certified |






📋 Ideal Applications
The SUYIJIA 72V 21700 Lithium Series is engineered for:
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High-Power 72V Electric Bicycles and Off-Road E-Bikes (2000W–3500W+)
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72V Electric Scooters, Mopeds, and Motorcycles
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Commercial Delivery Trikes, Rickshaws, and Utility Transport
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High-Thrust Electric Trolling Motors & Custom EV Builds
📦 Package Contents
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1 x SUYIJIA 72V 21700 Lithium-Ion Battery Pack (Selected Capacity)
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1 x 84V 5A Smart Lithium Fast Charger
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1 x XT90 Discharge Cable Harness
Power your 72V setup with high-density 21700 energy. Select your desired Ah capacity above, click Add to Cart, and order today!
Details
This product is crafted with quality materials to ensure durability and performance. Designed with your convenience in mind, it seamlessly fits into your everyday life.
Shipping & Returns
We strive to process and ship all orders in a timely manner, working diligently to ensure that your items are on their way to you as soon as possible.
We are committed to ensuring a positive shopping experience for all our customers. If for any reason you wish to return an item, we invite you to reach out to our team for assistance, and we will evaluate every return request with care and consideration.