Shenzhen Jianheng Technology Co., Ltd.
| Payment Terms | L/C,T/T,Western Union |
| Supply Ability | 1000000 |
| Delivery Time | 3 ~ 30 days |
| Packaging Details | Carton |
| Name: | 21700 Battery |
| ODM: | Free Custom Design For Packs |
| Capacity: | 5500mAh |
| Cathode: | NCM/NMC |
| Type: | Cylindrical Lithium-Ion Rechargeable Cell |
| Voltage: | 3.6V |
| Charge: | 0.5C (2750mA) CC/CV to 4.2V |
| Discharge | 2C (11000mA) |
| Operating Temperature: | Charge: 0°C to 45°C; Discharge: -40°C to 60°C |
| Cycle Life: | ≥70% capacity retention after 600 cycles |
| Weight: | ≤73g |
| Brand Name | OiD |
| Model Number | 21700 |
| Certification | Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards. |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T,Western Union | Supply Ability | 1000000 |
| Delivery Time | 3 ~ 30 days | Packaging Details | Carton |
| Name: | 21700 Battery | ODM: | Free Custom Design For Packs |
| Capacity: | 5500mAh | Cathode: | NCM/NMC |
| Type: | Cylindrical Lithium-Ion Rechargeable Cell | Voltage: | 3.6V |
| Charge: | 0.5C (2750mA) CC/CV to 4.2V | Discharge | 2C (11000mA) |
| Operating Temperature: | Charge: 0°C to 45°C; Discharge: -40°C to 60°C | Cycle Life: | ≥70% capacity retention after 600 cycles |
| Weight: | ≤73g | Brand Name | OiD |
| Model Number | 21700 | Certification | Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards. |
| Place of Origin | China | ||
| High Light | 5500mAh 21700 Battery ，3.6V Lithium-Ion Cell ，2C Discharge Rechargeable Battery | ||
The 21700 5500mAh lithium-ion rechargeable cell is a high-capacity cylindrical battery designed for applications requiring reliable power delivery across a wide temperature range. With robust performance characteristics and advanced safety features, this cell is ideal for use in high-drain devices, outdoor equipment, and low-temperature environments.
| Parameter | Specification | Conditions |
|---|---|---|
| Nominal Capacity | 5500 mAh | Charge: 0.5C (2750 mA), CCCV, 4.2V, 0.02C cut-off; Discharge: 0.2C (1100 mA) to 2.5V |
| Minimum Capacity | 5350 mAh | |
| Nominal Voltage | 3.6 V | |
| Internal Resistance | ≤ 25 mΩ | AC Impedance, 1000 Hz |
| Charge Cut-off Voltage | 4.20 V | |
| Discharge Cut-off Voltage | 2.5 V | |
| Standard Charge Current | 0.5C (2750 mA) | |
| Standard Discharge Current | 1C (5500 mA) | |
| Max. Continuous Discharge Current | 2C (11000 mA) | 35°C > T ≥ 0°C |
| Operating Temperature | Charge: 0°C to 45°C; Discharge: -40°C to 60°C | |
| Dimensions | 21.65 ± 0.2 mm (Diameter), 70.95 ± 0.2 mm (Height) | |
| Weight | ≤ 73 g |
| Rate | Current | Efficiency |
|---|---|---|
| 0.2C | 1100 mA | 100% |
| 0.5C | 2750 mA | ≥ 95% |
| 1C | 5500 mA | ≥ 93% |
| 2C | 11000 mA | ≥ 90% |
| Temperature | Discharge Efficiency |
|---|---|
| -20°C (1C) | ≥ 80% |
| -30°C (0.5C) | ≥ 75% |
| -40°C (0.2C) | ≥ 60% |
Company Details
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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