Shenzhen Jianheng Technology Co., Ltd.
| 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: | 4500mAh (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 (2250mA), 1C max (4500mA) |
| Discharge | 1C standard (4500mA), 3C max (13500mA) |
| Operating Temperature | Charge: 0°C to 45°C; Discharge: -20°C to 60°C |
| Cycle Life: | 500 cycles (≥90% capacity), 1000 cycles (≥80% capacity) |
| Weight: | ≤71g |
| Internal Resistance | ≤25mΩ (AC 1000Hz) |
| Dimensions | 21.65x 70.95±0.2mm |
| Brand Name | OiD |
| Model Number | 21700-4500 |
| 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 | 100000 |
| Delivery Time | 3 ~ 30 days | Packaging Details | Carton |
| Name: | 21700 Battery | ODM: | Free Custom Design For Packs |
| Capacity: | 4500mAh (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 (2250mA), 1C max (4500mA) | Discharge | 1C standard (4500mA), 3C max (13500mA) |
| Operating Temperature | Charge: 0°C to 45°C; Discharge: -20°C to 60°C | Cycle Life: | 500 cycles (≥90% capacity), 1000 cycles (≥80% capacity) |
| Weight: | ≤71g | Internal Resistance | ≤25mΩ (AC 1000Hz) |
| Dimensions | 21.65x 70.95±0.2mm | Brand Name | OiD |
| Model Number | 21700-4500 | Certification | Complies with UN38.3, CE, RoHS, and IEC 62133 safety standards. |
| Place of Origin | China | ||
| High Light | Low Internal Resistance 21700 Battery ，Wide Temperature Range Lithium-Ion Battery ，NMC Cathode Rechargeable Cell | ||
Product Name: 21700 4500mAh Li-ion Cell
Electrical Parameters:
| Parameter | Value |
|---|---|
| Nominal Capacity | 4500mAh |
| Minimum Capacity | 4400mAh |
| Nominal Voltage | 3.6V |
| Charge Cut-off Voltage | 4.2V |
| Discharge Cut-off Voltage | 2.75V |
| Standard Charge Current | 0.5C (2250mA) |
| Max. Charge Current | 1C (4500mA) @ 10°C–45°C |
| Standard Discharge Current | 1C (4500mA) |
| Max. Discharge Current | 3C (13500mA) @ 0°C–35°C |
| Internal Resistance | ≤25mΩ (AC 1kHz) |
| Operating Temperature | Charge: 0°C to 45°CDischarge: -20°C to 60°C |
| Cycle Life | 500 cycles (≥90% capacity retention)1000 cycles (≥80% capacity retention) |
| Weight | ≤71g |
| Dimensions | 21.65±0.2mm (D) x 70.95±0.2mm (H) |
| Energy Density | 238 Wh/kg |
Key Features:
Applications:
Safety & Compliance:
Notes:
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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