Amprius SA112 6.5Ah 21700 Battery | High Energy Density SiCore™ Cell
The Amprius SA112 6.5Ah 21700 battery cell is a premium SiCore™ lithium-ion solution engineered for applications where weight, volume, and power are critical. Delivering an industry-leading 315 Wh/kg energy density and a reliable 13A continuous discharge rate, this NMC cell maximizes runtime for demanding devices.
We are now offering highly competitive wholesale pricing and massive ready-to-ship inventory for this premium cell.
🔋 Key Features & Benefits
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Ultra-High Capacity: 6.5Ah typical capacity in a standard 21700 form factor.
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Breakthrough Energy Density: 315 Wh/kg (Gravimetric) and 860 Wh/L (Volumetric).
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Balanced Performance: Combines high energy with mid-power capability (13A continuous discharge).
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Reliable Cycle Life: Up to 1000 cycles for long-term durability.
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Wide Temperature Range: Operates efficiently in extreme environments (Discharge from -20°C to 60°C).
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Silicon-Dominant Anode: Amprius SiCore™ technology for superior energy storage.
📊 Technical Specifications
| Parameter | Specification |
|---|---|
| Model | Amprius SA112 (SiCore™) |
| Format | 21700 Cylindrical Cell |
| Nominal Voltage | 3.46 V |
| Capacity (Typical) | 6500 mAh (22.5 Wh) |
| Capacity (Minimum) | 6350 mAh (21.97 Wh) |
| Max Continuous Discharge | 13 A (2C) |
| Max Pulse Discharge | 26 A (4C) for ≤30 seconds |
| Max Charge Current | 4.55 A (0.7C) |
| Internal Resistance | ≤ 22 mΩ |
| Dimensions | 70.75mm (L) × 21.50mm (D) |
| Weight | 72 ± 1 g |
| Cathode Material | NMC |
| Certifications | UN38.3, IEC62133, PSE, CE |
⚡ Performance Highlights (Based on Official Test Data)
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Discharge Rate Capability: Delivers over 6Ah even at a 1.2C discharge rate at room temperature, with manageable temperature rise.
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Cycle Life: Retains 85%-90% capacity after 500 high-rate cycles (+3A/-6A), and ≥90% after 1000 standard cycles (70% DOD).
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Charging Profiles: Supports fast charging (1C takes roughly 3 hours for CC-CV full charge).
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Temperature Resilience: Excellent capacity retention at 23°C and 60°C. While capacity drops at extreme lows, it remains functional down to -40°C.
🚁 Ideal Applications
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eVTOL & Drones: Maximize flight time with reduced weight.
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High-End Power Tools: Cordless tools requiring long runtime and burst power.
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Portable Power Stations: Compact, high-capacity energy storage.
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Premium E-Bikes & E-Scooters: Extended range and longevity.
📦 Wholesale Pricing & Bulk Stock Available
Looking for a reliable supplier for high-capacity 21700 cells?
We maintain massive inventory of the Amprius SA112 directly in our warehouse. Whether you are a manufacturer, a pack assembler, or a retailer, we offer highly competitive wholesale pricing for bulk orders.
Why buy from us?
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✅ Guaranteed Authentic Amprius Cells
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✅ Fast Global Shipping (Compliant with UN38.3)
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✅ Tiered Discounts for Large Quantities
👉 [Contact Us Now for a Quote]
Simply fill out the form with your target quantity, and our sales team will get back to you within 24 hours with the best price and shipping options.
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