|
Still deciding? Get samples of $ !
Order Sample
|
| Customization: | Available |
|---|---|
| Type: | Li-ion Battery |
| Cathode Material: | NCM |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
|---|
| Payment Methods: |
|
|---|---|
| Support payments in USD |
| Secure payments: | Every payment you make on Made-in-China.com is protected by the platform. |
|---|
| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
|---|
Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
| Parameter | Value | Test Conditions |
|---|---|---|
| Model Number | INR21700 P45B | Manufacturer: E-One Moli Energy Corp. (Molicel) |
| Chemistry | Lithium-Ion (Li-ion) | Cathode: NCM / Anode: Graphite |
| Nominal Voltage | 3.6V / 3.7V | Average voltage during 0.2C discharge |
| Rated Capacity | 4500mAh (4.5Ah) | Discharged at 0.2C (900mA) to 2.5V, 25°C ±2°C |
| Minimum Capacity | 4400mAh | Per manufacturer tolerance |
| Energy | 16.65Wh | Calculated (3.7V × 4.5Ah) |
| Internal Resistance (AC) | ≤8mΩ | Measured at 100% SOC, 1kHz AC impedance, 25°C |
| Weight | 70g ±1.5g | Without terminals |
| Dimensions | 21.1mm (D) × 70.1mm (H) | Tolerance: ±0.2mm |
| Parameter | Value | Test Conditions |
|---|---|---|
| Standard Charge | CC-CV, 4.2V, 4.5A (1C) | Cut-off: 0.05C (225mA) / Time: ~2.5 hours |
| Fast Charge | CC-CV, 4.2V, 9.0A (2C) | Cut-off: 0.05C / Not recommended for daily use |
| Max Charge Current | 13.5A (3C) | Limited by temperature rise (T ≤45°C) |
| Charge Temperature | 0°C to 45°C | Optimal: 25°C |
| Continuous Discharge | 50A (11.1C) | Max current without exceeding 80°C cell temperature |
| Peak Discharge (Pulse) | 80A (17.8C) for ≤5s | 25°C, 50% SOC |
| Discharge Cut-off | 2.5V | Lower limit to prevent damage |
| Operating Temperature | Discharge: -20°C to 60°C | Charge: 0°C to 45°C |
| Parameter | Value | Test Conditions |
|---|---|---|
| Cycle Life | ≥600 cycles | 1C charge/discharge (4.5A), 100% DOD, 25°C (to 80% initial capacity) |
| Storage Life | 12 months (25°C) | Capacity recovery ≥90% after storage at 50% SOC |
| Self-Discharge Rate | ≤3% per month | At 25°C, 50% SOC |
| Parameter | Value | Test Conditions |
|---|---|---|
| Thermal Runaway | >150°C | Catastrophic failure temperature (per UN38.3) |
| Certifications | UN38.3, UL1642, IEC62133, RoHS | Complies with international transport/safety standards |
| Protection Devices | CID (Current Interrupt Device) | Triggers at ~150°C or 10ATM internal pressure |
Voltage vs. Capacity (25°C):
0.2C (900mA): ~3.6V average, 4500mAh delivered.
1C (4.5A): ~3.5V average, 4450mAh delivered.
10C (45A): ~3.1V average, 4300mAh delivered.
Energy Efficiency: ~92% at 1C discharge (25°C).
| Model | Chemistry | Capacity | Max Continuous | Energy Density | Cycle Life |
|---|---|---|---|---|---|
| Molicel P45B | NCM | 4500mAh | 50A | 238Wh/kg | 600 cycles |
| Samsung 50S | NCA | 5000mAh | 25A | 250Wh/kg | 500 cycles |
| LG M58T | NCM | 5800mAh | 20A | 260Wh/kg | 500 cycles |
Recommended Uses: High-performance drones, power tools, electric vehicles.
Thermal Management: Active cooling required for >40A continuous discharge.
Storage: Keep at 50% SOC, 15-25°C for longevity.
Industry-Leading Power: 50A continuous discharge (11.1C) sets a new benchmark for 21700 cells.
Optimized Chemistry: NCM cathode balances energy density (238Wh/kg) and high-current capability.
Robust Safety: Full compliance with UN/IEC standards for industrial use.
){kind=link}