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3.6V 21700 Battery 5500mAh 30A High Capacity 500 Cycles

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3.6V 21700 Battery 5500mAh 30A High Capacity 500 Cycles

Brand Name : OiD

Model Number : INR21700N55A30

Certification : Compliant with UN38.3, CE, RoHS, and IEC 62133 safety standards.

Place of Origin : China

MOQ : 100pcs

Price : $0.5 ~ $100.0 / pcs

Delivery Time : 3 ~ 7 days for storage

Payment Terms : TT,L/C,Western Union

Name : 3.6 V 21700 Battery

ODM : Free custom design for packs

Battery Type : 5500mAh Rechargeable

Cathode : NCM or NMC

Higher Energy Density : LongerrRuntime for 20-30% more energy than 18650 cells

Superior Power Output : Higher discharge rates (up to 30A)

Cost-Effective & Space-Saving : Reduce pack weight and cost by requiring fewer cells in series and parallel

Future-Proof : Ensure compatibility with next-gen tech for high-demand applications

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INR21700N55A30 21700 Battery 3.6V 5500mAh 30A 500 Cycles High Capacity

Product Name

INR21700N55A30 21700 Battery

Advantages

High Energy Density: 5500mAh capacity for extended runtime.
Robust Performance: Supports high continuous and pulse discharge currents.
Long Cycle Life: Retains ≥80% capacity after 500 cycles.
Wide Temperature Tolerance: Reliable operation in extreme environments.

Specifications

Parameter	Value
Nominal Voltage	3.6V
Nominal Capacity	5500mAh
Max Charge Voltage	4.20V ± 0.05V
Max Charge Current	10A
Max Continuous Discharge Current	16.5A (No temp cut), 30A (75℃ cut)
Max Pulse Discharge Current	70A (2s pulse)
Discharge Cut-off Voltage	2.50V
AC Impedance (1kHz, 30% SOC)	≤15.0mΩ
Dimensions (Dia × Height)	21.25±0.15mm × 70.30±0.20mm
Weight	≤75g

Cycle Life

Condition	Performance
500 Cycles (0.5C Charge / 1C Discharge)	≥80% Capacity Retention
300 Cycles (1C Charge / 3C Discharge)	≥80% Capacity Retention
200 Cycles (1C Charge / 4C Discharge)	≥60% Capacity Retention

Discharge Curve

3.6V 21700 Battery 5500mAh 30A High Capacity 500 Cycles

Operating Temperature Range

Mode	Ambient Temperature Range	Surface Temperature Range
Charging	0°C to 45°C	0°C to 50°C
Discharging	-20°C to 60°C	-20°C to 80°C
Storage (Long-Term)	-20°C to 25°C	N/A

Certifications

Compliant with UN38.3, CE, RoHS, and IEC 62133 safety standards.

Key Features

High Safety: Passes crush, short-circuit, and thermal abuse tests.
Low Self-Discharge: ≤3% monthly at 25°C storage.
Fast Charging: Full charge in 180 minutes at 10A current.
Consistent Performance: Tight voltage and impedance tolerances (ΔV ≤10mV, ΔR ≤2mΩ).

Applications

Power tools (e.g., drills, saws)
Electric vehicles (e-bikes, scooters)
Energy storage systems (solar, UPS)
Industrial equipment (robotics, drones)
High-drain portable devices (camping gear, medical devices)

3.6V 21700 Battery 5500mAh 30A High Capacity 500 Cycles

Usage Warnings & Precautions

Voltage Limits: Do not exceed 4.25V during charging or discharge below 2.50V.
Temperature Control: Avoid charging above 50°C surface temperature.
Short-Circuit Prevention: Use insulated tools; keep terminals clean.
No Modification: Never disassemble or pierce the battery.

Storage Guidelines

Short-Term (≤3 months): Store at -20°C to 45°C, 30%-50% SOC.
Long-Term (>3 months): Store at -20°C to 25°C, 3.5V-3.7V voltage.
Maintenance: Recharge every 3 months to 3.65V using 0.5C current.

Warranty & Disclaimer

12-Month Limited Warranty: Covers manufacturing defects.
Exclusions: Damage from misuse, improper storage, or unauthorized modifications.

Product Tags:

500 Cycles 3.6 V 21700 Battery

5500mAh 30A Battery

30A Battery High Capacity

3.6V 21700 Battery 5500mAh 30A High Capacity 500 Cycles Images

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