INR21700 Cylindrical UAV Battery

Stable Power for Reliable UAV Operations

Cylindrical UAV Battery

21.6V 5000mAh INR21700 Cylindrical UAV Battery

Compact Cylindrical UAV Battery with High-Rate Output

5,000mAh Compact Energy Capacity

The battery provides a nominal capacity of 5,000mAh, offering a compact and reliable power solution for UAV platforms requiring lightweight energy storage.

9C High-Rate Discharge Capability

Supports 45A continuous discharge with a high discharge rate of 9C, providing stable power output for dynamic UAV flight conditions.

INR21700 Cylindrical Cell Design

Built with INR21700 cylindrical lithium-ion cells, the battery combines structural reliability, consistent performance, and efficient thermal characteristics.

Compact and Lightweight Design

With a weight of approximately 600g and dimensions of 75 × 48 × 75mm, the battery is designed for UAV applications requiring a compact form factor and high power density.

Reliable Operating Performance

Supports 0°C to 45°C charging and -20°C to 60°C discharging, with a cycle life of ≥250 cycles for repeated operation.

Custom battery for your project

SPECIFICATION

No.	Item	Specification	Remarks
1	Battery Type	Cylindrical UAV Battery	—
2	Battery Model	21.6V 5000mAh	—
3	Cell Model	INR21700	—
4	Cell Type	Rechargeable Lithium-Ion Cylindrical Cell	—
5	Configuration	6S1P	—
6	Nominal Voltage	21.6V	—
7	Nominal Capacity	5000mAh	At 0.2C charge and discharge
8	Minimum Capacity	4800mAh	—
9	Charge Cut-off Voltage	25.2V	—
10	Discharge Cut-off Voltage	15V	—
11	Standard Charge Current	2.5A	0.5C, ambient temperature 25 ± 2°C
12	Fast Charge Current	6A	1.2C, ambient temperature 25 ± 2°C
13	Standard Discharge Current	1A	0.2C
14	Max. Continuous Discharge Current	45A	9C
15	Initial Internal Resistance	≤100mΩ	AC impedance at 1kHz
16	Weight	≈600g	—
17	Battery Pack Dimensions	Max. 75 × 48 × 75mm	Thickness × width × length
18	Operating Temperature	Charge: 0–45°C; discharge: −20–60°C	—
19	Cycle Life	≥250 cycles	1.2C charge and 5C discharge; capacity retention ≥60%
20	Charge Retention	≥75%	Stored at 25 ± 3°C for 28 days after standard charging, followed by standard discharge
21	Transportation Voltage	≥21.6V	—

ELECTROCHEMICAL PERFORMANCE

No.	Test Item	Performance Requirement	Test Condition
1	Standard Discharge Capacity	≥4800mAh	0.2C discharge
2	Cycle Life	≥250 cycles	1.2C charge and 5C discharge; capacity retention ≥60%
3	Capacity Retention After Cycling	≥60%	After 250 cycles; subject to test protocol confirmation
4	Initial Internal Resistance	≤100mΩ	AC impedance at 1kHz
5	28-Day Capacity Retention	≥75%	Stored at 25 ± 3°C for 28 days after standard charging, followed by standard discharge

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

cleaning drone

agricultural spraying drone

Cargo-drone

heavy-lift drone

fixed-wing drone

firefighting drone

Medical-Blood Pressure measuring instrument

Robot Vacuum

Consumer Electronics

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.

CONTACT US TODAY

Custom power solutions enhance your brand value

Ready to elevate your business with high-performance lithium batteries? We offer tailored solutions designed for your specific needs. Get in touch for a personalized quote and details.

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