Lithium-ion Battery Pack
C10543125MP 3.5V 11500mAh
Compact Size with Reliable High-Current Output
11.5Ah Nominal Capacity
The cell provides a nominal capacity of 11,500mAh and a minimum capacity of 10,975mAh when tested at a 0.2C discharge rate.
Approximately 40.25Wh Energy
With a nominal voltage of 3.5V and a nominal capacity of 11.5Ah, the cell provides approximately 40.25Wh of nominal energy.
3C Continuous Discharge
The maximum specified continuous discharge current is 34.5A, supporting equipment with sustained medium-to-high current requirements.
5C Burst Discharge
The cell supports a maximum burst discharge current of 57.5A for up to 60 seconds, making it suitable for temporary peak loads such as motor startup, acceleration and actuator operation.
Low Initial Internal Resistance
Initial AC internal resistance is specified at no more than 2.4mΩ when measured at 1kHz and approximately 50% SOC.
Compact and Lightweight Design
The cell weighs approximately 125g and measures no more than 10.8 × 44 × 128mm, allowing it to fit into relatively narrow battery compartments.
0.5C Charging Capability
The maximum specified charging rate is 0.5C, equivalent to approximately 5.75A, with a reference charging time of approximately three hours.
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 | ≥10,975mAh | 2.3A discharge to 2.5V at 25 ±5°C |
| Cycle Life | 300 cycles | Tested at 0.5C charge and discharge |
| Capacity after 300 Cycles | ≥8,780mAh | At least 80% of initial minimum capacity |
| Initial Internal Resistance | ≤2.4mΩ | AC 1kHz at approximately 50% SOC |
| 28-Day Storage Capacity | ≥9,329mAh | Stored for 28 days at 25°C |
| Storage Capacity Retention | ≥85% | Based on initial minimum capacity |
| Shipment SOC | ≥25% | OCV ≥3.5V |
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.
