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NMC 21700 Battery 5500mAh 3.6V 11A Discharge Li-Ion

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NMC 21700 Battery 5500mAh 3.6V 11A Discharge Li-Ion

Brand Name : OiD

Model Number : INR21700N55JH8

Certification : Complies 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 : 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 11A)

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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INR21700N55JH3 3.6V 5500mAh 11A Discharge 500 Cycles

Product Name

INR21700N55JH8 Li-Ion Battery

Advantages

Ultra-high capacity (5500mAh)
High discharge capability (up to 11A continuous)
Optimized for EB/high-end digital applications
Superior energy density (275Wh/Kg)

Specifications

Item	Specification
Nominal Voltage	3.6V
Nominal Capacity	5500mAh (@0.2C discharge)
Minimum Capacity	5350mAh
Voltage Range	2.5V–4.2V
Standard Charge Current	2.75A (0.5C)
Max. Charge Current	5A (15°C–45°C), 3A (0°C–15°C)*
Standard Discharge Current	5.5A (1.0C)
Max. Discharge Current	11A (2.0C)
Dimensions	21.65mm (Diameter) × 70.95mm (Height)
Weight	≤73g
Energy Density	275Wh/Kg

Cycle Life

Test Condition	Performance
500 cycles (Standard charge/discharge)	≥70% of initial capacity retained*

Discharge Curve

NMC 21700 Battery 5500mAh 3.6V 11A Discharge Li-Ion

Operating Temperature Range

Condition	Temperature Range
Charging	0°C to 45°C (Surface: 0°C–50°C)*
Discharging	-20°C to 60°C (Surface: -20°C–80°C)*
Storage (Short-term)	-20°C to 40°C (≤3 months)*
Storage (Long-term)	-20°C to 20°C (3–12 months, 10%–35% SOC)*

(*Carried over from previous model where unspecified)

Certifications

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

Key Features

Precision Engineering: Tight tolerance (±0.2mm) cylindrical design
Digital-Ready: Stable voltage output for high-end electronics
Thermal Resilience: Safe operation across extreme temperatures

Applications

E-bikes/E-scooters (EB)
Premium portable electronics
High-performance flashlights
Backup power systems

NMC 21700 Battery 5500mAh 3.6V 11A Discharge Li-Ion

Usage Warnings & Precautions

Critical: Never exceed 4.2V charge voltage or 2.5V discharge cutoff
Use only with CC/CV chargers (2.75A standard)
Avoid stacking batteries without protective casing

Storage Guidelines

Maintain 10%–35% SOC for long-term storage
Store in moisture-proof packaging (<50% RH)

Warranty & Disclaimer

12-month performance warranty (excludes physical damage)
Not responsible for misuse including improper charging or mechanical stress

Product Tags:

NMC 21700 Battery

21700 Battery 5500mah

5500mAh 3.6 V Li Ion Battery

NMC 21700 Battery 5500mAh 3.6V 11A Discharge Li-Ion Images

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