Samsung INR21700-50S Li-Ion Battery 5000mAh - 45A

Product detailed description

Original high-performance Li-Ion cell Samsung INR21700-50S is primarily intended for tools, power banks, and other high-power applications requiring high current draw. It offers a typical capacity of 5000 mAh and supports continuous discharge up to 25 A without temperature limitations, or up to 45 A with temperature protection up to 80 °C. The cell is manufactured in Korea and is designed for integration into battery packs with a suitable BMS system.

Specifications:

• Model: INR21700-50S
• Cell Type: Lithium-ion (Li-Ion)
• Typical Capacity: 5000 mAh
• Minimum Capacity: 4800 mAh
• Nominal Voltage: 3.6 V
• Standard Charging: CC/CV, 2.5 A, 4.20 V, termination at 250 mA
• Fast (Nominal) Charging: CC/CV, 6 A, 4.20 V, termination at 100 mA
• Maximum Charging Current: 10 A (step charging), 6 A continuous
• Maximum Continuous Discharge Current: 25 A (no temperature limit), 45 A (with temperature limit 80 °C)
• Discharge Voltage – Cut-off: 2.5 V
• Internal Resistance (AC 1 kHz): ≤ 14 mΩ
• Weight: max. 72 g
• Dimensions: diameter max. 21.25 mm, length max. 70.62 mm
• Operating Temperature – Charging: 0 to 60 °C
• Operating Temperature – Discharging: -20 to 60 °C (surface up to 80 °C with protection)

Package contents:

• 1× Samsung INR21700-50S Li-Ion Battery 5000mAh - 45A

Important Notice and Safety:

• The user bears full responsibility for correct use, charging, and installation. Improper handling may cause fire, injury, or property damage.
• Charge exclusively with a charger designed for Li-Ion / Li-Pol cells (CC/CV mode 4.2V).
• Do not use NiMH/NiCd chargers.
• Recommended charging is 0.2C or lower for maximum lifespan.
• Never short-circuit, puncture, crush, or mechanically damage the battery.
• Do not charge or use the battery unattended.
• Do not expose to high temperatures, direct sunlight, or fire.
• Protect from water and moisture.
• If any swelling, odor, overheating, or change in shape occurs, stop using the battery immediately.
• When disposing, always insulate the contacts against short circuits.

Comment:

• This product is not a standalone functional unit and may require professional installation.
• Product images are for illustration purposes only and may sometimes differ from the actual appearance of the item. However, this does not change its basic properties.