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Shenzhen Jianheng Technology Co., Ltd.

  • China,Shenzhen
  • Verified Supplier
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China 3.6V 5500mAh 21700 Li-Ion Battery -40°C to 60°C 600 Cycles
China 3.6V 5500mAh 21700 Li-Ion Battery -40°C to 60°C 600 Cycles

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

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

  1. MOQ: 100pcs
  2. Price: $0.5 ~ $100.0 / pcs
  3. Get Latest Price
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
Brand Name OiD
Model Number INR21700L55JH
Certification Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

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
Brand Name OiD Model Number INR21700L55JH
Certification Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards. Place of Origin China
High Light 2C Discharge Special BatterySpecial Battery 3.6V5500mAh Li Ion 21700 Battery

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

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.

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Manufacturer,Distributor/Wholesaler

  • Year Established:

    2020

  • Total Annual:

    15000000-20000000

  • Employee Number:

    300~500

  • Ecer Certification:

    Verified Supplier

Our Mission:  Original Innovation, Power the Future! As a high-tech enterprise specializing in the R&D and manufacturing of lithium-ion batteries, sodium-ion batteries, and solid-state batteries. Founded in 2020 in Shenzhen, China’s innovation hub, we are driven by our core philosop... Our Mission:  Original Innovation, Power the Future! As a high-tech enterprise specializing in the R&D and manufacturing of lithium-ion batteries, sodium-ion batteries, and solid-state batteries. Founded in 2020 in Shenzhen, China’s innovation hub, we are driven by our core philosop...

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Get in touch with us

  • Reach Us
  • Shenzhen Jianheng Technology Co., Ltd.
  • 2# Building, Shimao Park, Zhenhuan Rd, Pingshan, Shenzhen, China.
  • https://www.liion-batt.com/

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