INR21700-55E 5500mAh Storage

INR21700-55E 5500mAh Storage

Joinsun INR21700-55E 5500mAh Storage-Type 21700 Battery Lithium-ion Cells are certified by UL, CE, CCC, and CB, making them ideal for power banks, portable power stations, portable fans, flashlight, electric hair clipper, security devices, and more.

描述
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SPECS
Model	INR21700-55E
Cathode Material	NCM (NMC)
Nominal Capacity	5.5Ah (5500mAh)
Nominal Voltage	3.6V
Max Charge Voltage	4.2V
Discharge Cut-off Voltage	2.75V
Charge Current	2.75A (0.5C)
Discharge Current	16.5A (3C) 27.5A (5C Pulse)
Nominal Energy	19.8Wh
Energy Density	818Wh/L 271Wh/kg
Internal Resistance (IR)	22mΩ ±3
Cycle Life	80% DoD (25°C): • ≥400 Cycles (Discharge: 16.5A / 3C)
Diameter	21.7±0.15 mm
Height	70.8±0.2 mm
Weight	73.2±1g
Max Series & Parallel	7 Series (25.2V) Parallel: Per Need
Operating Temperature	Ambient: Charge: 0~45°C Discharge: -20~60°C Cell Surface: Charge: 0~50°C Discharge: -20~80°C
Charge Temperature & Actual Charge Capacity (Relative to Nominal Capacity)	0°C: 80% 5°C: 90% 25°C: 100% 45°C: 100% 50°C: 95%
Discharge Temperature & Actual Discharge Capacity (Relative to Nominal Capacity)	-20°C: 65% -10°C: 80% 0°C: 85% 25°C: 100% 45°C: 99% 60°C: 97%
Storage Temperature	1 Year: 0~25°C 3 Months: 0~45°C 1 Month: 0~60°C (Recovery ≥90% after storage)
Certifications	UL, FCC, CE, RoHS, EU Battery Regulation, IEC, CB, CCC, BSMI, BIS, PSE, MSDS, UN38.3
Best Uses	High-Performance Energy Storage: Power banks, portable power stations, mobile power devices, 3C digital products Home Appliances: Small household appliances, security devices, lighting equipment, rechargeable handheld fan Tools: Compact power tools, small garden tools, hair clippers
OEM / ODM	Yes
Warranty	1 Year
Daily Production Capacity	250,000 Cells

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