Samsung INR21700-50E Rechargeable Battery – 4900mAh 3.7 V Lithium-Ion Cell

Description

The Samsung INR21700-50E is one of Samsung SDI’s most advanced lithium-ion cells, designed for high capacity (4900mAh) and long cycle life. With a nominal voltage of 3.63V and excellent discharge performance, this cell is trusted for both consumer electronics and professional energy storage applications.

✅ Key Features:

• Model: Samsung INR21700-50E

• Capacity: 4900mAh (typical), 4750mAh (minimum rated)

• Nominal Voltage: 3.63V

• Continuous Discharge Current: 9.8A

• Max Pulse Discharge Current: 14.7A (non-continuous)

• Cycle Life: ≥ 500 cycles (≥ 80% capacity retention)

• Weight: ~69.5g

• Size: 21.25mm × 70.80mm

• Chemistry: Lithium-ion rechargeable

✅ Common Applications:

• E-bikes & electric scooters

• Cordless power tools (drills, saws, etc.)

• Laptops & consumer electronics

• Solar storage & backup systems

• Medical devices (portable diagnostics, oxygen concentrators)

• Flashlights & portable lighting

✅ Additional Note on Authenticity & Packaging:

• We purchase these cells directly from an official Samsung distributor.

• If you buy a full box, you will receive it in original Samsung packaging.

• For smaller orders (one or two cells, or less than a full box), we carefully take the cells out of the box and deliver them individually.

• Please note: the Samsung brand name is not printed on each cell (as shown in the product pictures). This is normal for this model. Other Samsung cells may carry printed markings, but the 21700-50E does not.

• All batteries are 100% genuine Samsung, quality certified, and come with the required licenses and certificates

📄 Download the Samsung-21700-50E-4900mAh-Battery-Specifications Technical Brochure.

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