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3.6V 5500mAh 21700 Li-Ion Battery -40°C to 60°C 600 Cycles

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3.6V 5500mAh 21700 Li-Ion Battery -40°C to 60°C 600 Cycles

Brand Name : OiD

Model Number : INR21700L55JH

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 : Special Battery

Battery Type : 3.6V 5500mAh Rechargeable

ODM : Free custom design for packs

Positive Electrode Material : NCA (Nickel Cobalt Aluminum)

Cycle Life : 600+ cycles

Charging/ Discharging : 3.85A/11A

Operating Temperature : -40°C~60°C

High energy density : 275Wh/kg

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INR21700L55JH 3.6V 5500mAh 2C Discharge 600 Cycles

Product Name

INR21700L55JH Li-Ion Battery

Advantages

High energy density (275Wh/kg)
Long cycle life
Reliable performance in extreme temperatures
Robust safety features

Specifications

Item	Specification
Nominal Capacity	5500mAh
Minimum Capacity	5350mAh
Nominal Voltage	3.6V
Energy Density	275Wh/kg
Internal Resistance	≤25mΩ (AC Impedance, 1000Hz)
Charge Cut-off Voltage	4.20V
Discharge Cut-off Voltage	2.5V
Standard Charge Current	0.5C (2750mA), CCCV, 4.2V, 0.02C (110mA) cut-off
Standard Discharge Current	1C (5500mA)
Max Charge Current	0.7C (3850mA) at 15–45°C; 0.5C (2750mA) at 5–15°C; 0.1C (550mA) at 0–5°C
Max Discharge Current	2C (11000mA) at 0–35°C; 1C (5500mA) at -20–0°C or 35–45°C; 0.5C (2750mA) at -30–-20°C; 0.2C (1100mA) at -40–-30°C
Dimensions	21.65±0.2mm (Diameter) × 70.95±0.2mm (Height)
Weight	≤73g

Cycle Life

Condition	Performance
0.5C/1C Charge/Discharge (4.2V–2.75V)	≥70% of initial capacity after 600 cycles

Discharge Curve

Operating Temperature Range

Mode	Temperature Range
Charging	0°C to 45°C (Max charge current varies with temperature; see Specifications table)
Discharging	-40°C to 60°C (Max discharge current varies with temperature; see Specifications table)
Storage	-20°C to 40°C (≤3 months); -20°C to 20°C (3–12 months); 10–35% SOC for long-term storage

Certifications

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

Key Features

Low-Temperature Performance: Maintains ≥60% capacity at -40°C (0.2C discharge).
Safety: Passes overcharge, short-circuit, drop, and thermal abuse tests.
High Discharge Rate: Supports up to 2C continuous discharge at room temperature.

Applications

Power tools
Electric vehicles (EVs)
Energy storage systems
Medical devices
Industrial equipment

3.6V 5500mAh 21700 Li-Ion Battery -40°C to 60°C 600 Cycles

Usage Warnings & Precautions

Do NOT reverse charge, overcharge (>4.25V), or overdischarge (<2.5V).
Avoid exposure to high temperatures (>70°C), fire, or water.
Use only with compatible protection circuits to prevent short circuits.
Replace damaged or leaking cells immediately.

Storage Guidelines

Store at 10–35% SOC in dry conditions (0–50% RH).
Recharge to 10–35% SOC every 12 months for long-term storage.
Keep away from metal objects to prevent short circuits.

Warranty & Disclaimer

1-year warranty for manufacturing defects (excludes misuse or improper assembly).
Not liable for damages caused by unauthorized modifications or non-compliant usage.

Product Tags:

2C Discharge Special Battery

Special Battery 3.6V

5500mAh Li Ion 21700 Battery

3.6V 5500mAh 21700 Li-Ion Battery -40°C to 60°C 600 Cycles Images

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