MachineU > China Products > Electrical Equipment & Supplies
21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell
21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell
21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell
21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell
21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell
21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell
21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell
21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell
21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell
21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell
Specifications
Brand Name :
OiD
Model Number :
21700-6000
Certification :
Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
Place of Origin :
China
MOQ :
100pcs
Price :
$0.6 ~ $1.8
Payment Terms :
L/C,T/T,Western Union
Supply Ability :
100000
Delivery Time :
3 ~ 30 days
Packaging Details :
Carton
Name: :
21700 Battery
ODM: :
Free Custom Design For Packs
Capacity: :
6000mAh (nominal), 4400mAh (minimum)
Cathode: :
Lithium Nickel Manganese Cobalt Oxide (Li-NMC)
Type: :
Cylindrical Rechargeable Li-ion Cell
Voltage: :
3.6V (nominal), 4.2V (charge cut-off), 2.75V (discharge cut-off)
Charge: :
0.5C standard (3000mA), 1C max (6000mA)
Discharge :
1C standard (6000mA), 2C max (12000mA)
Operating Temperature :
Charge: 0°C to 45°C; Discharge: -20°C to 60°C
Cycle Life: :
500 cycles (≥70% capacity)
Weight: :
≤75g
Internal Resistance :
≤25mΩ (AC 1000Hz)
Dimensions :
21.65x 70.95±0.2mm
Description
21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell

Explore the specifications for the high-capacity 21700 6000mAh Li-ion battery cell. Featuring a 3.6V nominal voltage, high discharge rates, and robust performance across temperatures. Ideal for high-drain applications.

21700 6000mAh Lithium-Ion Rechargeable Cell

This specification outlines the technical parameters and characteristics of a high-performance cylindrical 21700 lithium-ion rechargeable cell with a nominal capacity of 6000mAh. Designed for reliability and high-drain applications, this cell offers excellent energy density and cycle life.

Quick Specifications

Parameter Specification
Model 21700
Nominal Capacity 6000 mAh
Minimum Capacity 5850 mAh
Nominal Voltage 3.6 V
Charge Cut-off Voltage 4.2 V
Discharge Cut-off Voltage 2.5 V
Standard Charge Current 0.5C (3000 mA)
Standard Discharge Current 1C (6000 mA)
Approx. Weight ≤ 75 g
Cell Color Light Purple

Detailed Electrical Specifications

Core Electrical Characteristics

Parameter Specification Conditions
Energy Density 296 Wh/kg
Internal Impedance ≤ 25 mΩ AC 1kHz
Charging Cut-off Current ≥ 0.02C (120 mA)

Maximum Charge Current by Temperature

Temperature Range Maximum Charge Current
15°C to 45°C 0.7C (4200 mA)
5°C to 15°C 0.5C (3000 mA)
0°C to 5°C 0.1C (600 mA)

Maximum Discharge Current by Temperature

Temperature Range Maximum Discharge Current
0°C to 35°C 2C (12000 mA)
-20°C to 0°C 1C (6000 mA)
35°C to 45°C 1C (6000 mA)
45°C to 60°C 0.5C (3000 mA)

Physical Specifications

Property Specification
Cell Diameter 21.65 ± 0.2 mm
Cell Height 70.95 ± 0.2 mm
Weight ≤ 75 g

Temperature Specifications

Mode Temperature Range
Charge 0°C to 45°C
Discharge -20°C to 60°C
Storage -20°C to +40°C (≤ 3 months)

Performance Data

Discharge Efficiency at Various Rates (25°C)

Discharge Rate Current Efficiency
0.2C 1200 mA 100%
0.5C 3000 mA ≥ 95%
1C 6000 mA ≥ 93%
2C 12000 mA ≥ 90%

Discharge Efficiency at Various Temperatures (1C Rate)

Temperature Efficiency Cut-off Voltage
25°C 100% 2.5V
55°C ≥ 95% 2.5V
-20°C ≥ 70% 2.2V

Cycle Life

500 cycles at 0.5C charge / 1C discharge (4.2V - 2.75V) while maintaining ≥70% of initial capacity.

Storage Characteristics

  • 28 days at 25°C: Residual capacity ≥85%, Recovery capacity ≥90%
  • 7 days at 55°C: Residual capacity ≥85%, Recovery capacity ≥90%

Safety & Compliance

This cell is designed to meet stringent international safety standards. It has passed tests including:

  • Overcharge
  • Over-discharge
  • Short Circuit
  • Drop
  • Heating (130°C)
  • Seawater Immersion
  • Low Pressure (11.6 kPa)
  • Temperature Cycling

The cell is compliant with RoHS and relevant environmental directives for hazardous substance restrictions.

Applications

This high-capacity 21700 cell is suitable for a wide range of applications, including:

  • High-drain power tools
  • Light Electric Vehicles (LEVs) and e-mobility devices
  • Portable medical equipment
  • Professional-grade flashlights and lighting
  • Backup power systems and power banks
Send your message to this supplier
Send Now

21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell

Ask Latest Price
Product Detail
Brand Name :
OiD
Model Number :
21700-6000
Certification :
Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards.
Place of Origin :
China
MOQ :
100pcs
Price :
$0.6 ~ $1.8
Contact Supplier
21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell
21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell
21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell
21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell
21700 Lithium-ion Battery Cell - 6000mAh, 3.6V, High-Drain Rechargeable Cell

Shenzhen Jianheng Technology Co., Ltd.

Verified Supplier
2 Years
shenzhen
Since 2020
Business Type :
Manufacturer, Distributor/Wholesaler
Main Products :
Lithium Ion Battery, LiFePo4 Battery, Solid State Battery
Total Annual :
15000000-20000000
Employee Number :
300~500
Certification Level :
Verified Supplier
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products 21700 Battery
MachineU China Products Electrical Equipment & Supplies
Contact Supplier
Submit Requirement