INR18650-3000 3.7V 3000mAh High-Drain Lithium-Ion Cell
The SunPower INR18650-3000 is a high-rate 18650 lithium-ion cell built for demanding power applications. It delivers 3000mAh nominal capacity, 30A continuous discharge, and 50A pulse discharge. Ideal for power tools, cordless vacuums, drones, e-bikes, and other high-drain devices.
We supply this cell in large quantities at competitive discount pricing. Bulk orders are welcome.
Key Specifications
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Model: INR18650-3000
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Nominal Voltage: 3.7V
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Nominal Capacity: 3000mAh
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Minimum Capacity: 2900mAh
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Max Charge Voltage: 4.20 ±0.05V
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Discharge Cut-off Voltage: 2.50V
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Standard Charge: 1.5A CC-CV, 100mA cut-off
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Max Charge Current: 4.5A
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Max Continuous Discharge Current: 30A
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Max Pulse Discharge Current: 50A (2s)
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AC Impedance: ≤18mΩ
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Diameter: ≤18.5mm
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Height: ≤65.3mm
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Weight: ≤47.5g
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Operating Temperature: Charge 20°C to 50°C; Discharge -20°C to 75°C
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Storage Temperature: 3 months: -20°C to 45°C; 1 year: -20°C to 25°C
High-Rate Performance
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10A discharge: >2700mAh
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20A discharge: >2100mAh
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30A discharge: >1000mAh
Test condition: standard charge, rest 30 minutes, discharge to 2.50V or 75°C.
Cycle Life
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4.5A charge / 10A discharge: 500 cycles ≥60%
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4.5A charge / 20A discharge: 300 cycles ≥60%
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4.5A charge / 30A discharge: 200 cycles ≥60%
Low-Temperature Performance
At -20°C, after standard charge and 4 hours storage, the cell can discharge at 20A. Voltage remains above 2.0V in the first 30 seconds.
Safety and Reliability
The cell is tested for overcharge, forced discharge, short circuit, crush, thermal abuse, temperature cycling, low pressure, free drop, and vibration. It meets strict no-fire, no-explosion requirements. Some tests also require no leakage.
Applications
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Power tools
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Cordless vacuums
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E-bikes and scooters
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Drones
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Portable power stations
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UPS and energy storage
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High-drain battery packs
Stock and Pricing
We maintain large inventory and offer competitive discount pricing for bulk orders. Whether you need samples or full container loads, we can support your project.

Contact Us for a Quote
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