[2 Pack] 50E 21700 5000mAh 15A Battery

The INR21700-50E is a cost-effective upgrade to the Samsung 50E — delivering the same 5000mAh high capacity with a more powerful 15A continuous discharge capability. Designed for demanding applications including power tools, e-bikes, scooters, vaping devices, flashlights, and portable power stations, it offers long-lasting performance and dependable power delivery.

Built with high-grade lithium-ion chemistry, this rechargeable cell provides improved cycle life, stable voltage output, and safe operation under heavy load. Ideal for DIY battery pack builders who require high-capacity, high-drain performance at a better price point.

Specifications

• Model: INR21700-50E

• Size: 21700 (21 × 70 mm)

• Top: Flat Top

• Nominal Capacity: 5000mAh

• Continuous Discharge: 15A

• Pulse Discharge: 20A

• Nominal Voltage: 3.6V

• Max Voltage: 4.2V

• Cut-off Voltage: 2.5V

• Approx Weight: 69g

• Protection: Unprotected cell

High-capacity 21700 Li-ion battery (5000mAh, 15A) replacing Samsung 50E. Best for power tools and e-mobility applications needing reliable runtime and strong discharge capability.