Lithium-ion Battery Pack
50.4V 5000mAh INR21700 Lithium-ion Battery Pack
High-Voltage Power with Strong Discharge Performance
50.4V High-Voltage Output
The battery pack uses a 14S1P configuration and provides a nominal voltage of 50.4V, making it suitable for high-voltage industrial equipment and customized electronic devices.
5000mAh Nominal Capacity
The battery pack provides a nominal capacity of 5,000mAh and a minimum capacity of 4,800mAh under specified test conditions.
Approximately 252Wh Energy
With a nominal voltage of 50.4V and a nominal capacity of 5Ah, the battery pack provides approximately 252Wh of nominal energy.
45A Continuous Discharge
The maximum specified continuous discharge current is 45A, equivalent to 9C, supporting equipment with sustained high-current requirements.
6A Rapid Charging Capability
The battery pack supports a rapid charge current of 6A, equivalent to approximately 1.2C, at an ambient temperature of 25±2°C.
Low Initial Internal Resistance
The initial AC internal resistance is specified at no more than 220mΩ when measured at 1kHz.
Compact Battery Pack Design
The battery pack weighs approximately 1,150g and measures no more than 75 × 45 × 165mm, providing a compact power solution for space-limited equipment.
Wide Discharge Temperature Range
The battery pack can be discharged at temperatures ranging from -20°C to 60°C, making it suitable for various indoor and outdoor working environments.
SPECIFICATION
| No. | Item | Specification | Remarks |
|---|---|---|---|
| 1 | Battery Type | Rechargeable lithium-ion polymer pouch cell | Bare cell |
| 2 | Model | SDL-C10543125MP | — |
| 3 | Configuration | 1S1P | Single cell |
| 4 | Nominal Capacity | 11,500mAh | At 0.2C discharge |
| 5 | Minimum Capacity | 10,975mAh | At 0.2C discharge |
| 6 | Nominal Voltage | 3.5V | — |
| 7 | Nominal Energy | Approx. 40.25Wh | 3.5V × 11.5Ah |
| 8 | Charge Voltage | 4.20 ±0.02V | CC/CV charging |
| 9 | Standard Charge Current | 0.2C / 2.3A | According to the main specification table |
| 10 | Rapid Charge Current | 0.5C / approx. 5.8A | Rounded value in the specification |
| 11 | Maximum Charge Current | 0.5C / 5.75A | — |
| 12 | Standard Charging Time | Approx. 6 hours | Reference value |
| 13 | Rapid Charging Time | Approx. 3 hours | Reference value |
| 14 | Continuous Discharge Current | 3C / 34.5A | Maximum specified continuous current |
| 15 | Burst Discharge Current | 5C / 57.5A | Maximum 60 seconds |
| 16 | Discharge Cut-off Voltage | 2.5V | Per cell |
| 17 | Initial Internal Resistance | ≤2.4mΩ | AC 1kHz, approximately 50% SOC |
| 18 | Charging Temperature | 0°C to 45°C | — |
| 19 | Discharging Temperature | 0°C to 45°C | — |
| 20 | Cell Weight | Approx. 125g | — |
| 21 | Maximum Dimensions | 10.8 × 44 × 128mm | Thickness × width × length |
| 22 | Short-Term Storage Temperature | 0°C to 35°C | Less than one month |
| 23 | Long-Term Storage Temperature | 10°C to 25°C | More than one month |
| 24 | Ex-factory SOC | At least 25% | OCV not lower than 3.5V |
Characteristics
Electrochemical performance characteristics
| Test Item | Performance Requirement | Test Condition |
|---|---|---|
| Standard Discharge Capacity | ≥4,800mAh | Tested under the specified standard charge and discharge conditions |
| Nominal Capacity | 5,000mAh | Tested at a 0.2C charge and discharge rate |
| Nominal Energy | Approx. 252Wh | Calculated based on 50.4V nominal voltage and 5Ah nominal capacity |
| Cycle Life | ≥250 cycles | Tested at 1.2C charge and 5C discharge |
| Capacity After Cycle Test | ≥60% of initial capacity | Measured after the specified cycle-life test |
| Initial Internal Resistance | ≤220mΩ | AC impedance measured at 1kHz |
| 28-Day Charge Retention | ≥75% | Stored for 28 days at 25±3°C after standard charging, followed by standard discharge |
| Maximum Continuous Discharge | 45A | Equivalent to a 9C discharge rate |
| Transportation Voltage | ≥50.4V | Voltage before transportation |
Our Services
1. Customization Support
- Tailored li polymer battery solutions based on your project requirements.
- Flexible options for voltage, capacity, size, and BMS integration.
- Professional design assistance from concept to final product.
2. Fast Production & Delivery
- Efficient manufacturing process ensuring quick turnaround times.
- Global shipping with secure packaging to protect your order.
3. Quality Assurance
- 100% quality inspection before delivery.
- Compliance with international safety and performance standards.
4. After-Sales Support
- Dedicated technical support for troubleshooting and guidance.
- Warranty coverage for peace of mind.
- Quick response to inquiries and issue resolution.
5. Professional Consultation
- Expert recommendations for the best battery solution for your application.
- Comprehensive project evaluation to optimize performance and cost.
Warranty
The warranty period for this product is 1 year from the date the product left the manufacturer’s door.
Battery Packing Label
The following warnings should be indicated on the battery pack labels.
- Use a specified charger.
- Do not throw the battery into fire, or heat.
- Do not short-circuit the battery terminals.
- Do not disassemble the battery.
Common Application Scenarios
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Product FAQs
1. What is the nominal capacity of the C10543125MP?
The nominal capacity is 11,500mAh. The specified minimum capacity is 10,975mAh at a 0.2C discharge rate.
2. What is the nominal energy?
The nominal energy is approximately 40.25Wh, based on a nominal voltage of 3.5V and a nominal capacity of 11.5Ah.
3.What is the maximum continuous discharge current?
The maximum specified continuous discharge current is 3C, equivalent to 34.5A.
4. What is the maximum burst discharge current?
The cell supports up to 5C or 120A for a maximum duration of 60 seconds.
5.What is the maximum charging current?
The maximum specified charging current is 0.5C, equivalent to 5.75A.
What is the cycle life?
The cell is specified to retain at least 80% of its initial minimum capacity after 300 cycles under the defined laboratory conditions.
