Samsung INR21700-50E 5000mAh 3.7V Lithium-Ion Rechargeable Battery

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Samsung INR21700-50E 5000mAh 3.7V Lithium-Ion Rechargeable Battery
  • Samsung INR21700-50E 5000mAh 3.7V Lithium-Ion Rechargeable Battery_img_0

Samsung INR21700-50E 5000mAh 3.7V Lithium-Ion Rechargeable Battery

570 BDT650 BDTSave 80 BDT
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Specifications

Model: INR21700-50E

Battery Type: Lithium-Ion (Li-ion)

Capacity: 5000mAh

Voltage: 3.7V (Nominal), 4.2V (Full Charge)

Energy: 18.5Wh

Max Continuous Discharge Current: 9.8A

Chemistry: INR (Lithium Nickel Manganese Cobalt Oxide - NMC)

Protection Circuit: Unprotected

Rechargeable: Yes

Cycle Life: 500+ charge cycles

Dimensions: 21mm (Diameter) × 70mm (Length)

Weight: Approximately 70g

Manufacturer: Samsung SDI

Applications

1. UV Flashlights & LED Torches – Provides long-lasting, high-power output


2. Power Banks & Backup Power Systems – Reliable energy storage for portable charging


3. E-Bikes & Electric Scooters – Used in battery packs for extended riding


4. High-Performance Electronics – Suitable for drones, robotics, and industrial devices


5. DIY Battery Packs & Solar Applications – Customizable power solutions



⚠ Safety Note: Use with proper battery holders and protection circuits. Do not overcharge, short-circuit, or expose to extreme temperatures.


Description

The Samsung INR21700-50E is a high-performance 21700-size lithium-ion rechargeable battery with a massive 5000mAh capacity, making it an excellent choice for high-drain applications. Its INR (Lithium Nickel Manganese Cobalt Oxide) chemistry offers a balance between capacity, power, and safety.

Designed for UV flashlights, power tools, e-bikes, and high-drain electronics, this battery provides a stable 3.7V nominal voltage with a high energy density. It is unprotected, meaning it does not have built-in safety circuits, so users should use a Battery Management System (BMS) when required.


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