Name: China 2600mah 18650 Battery 3.7v Rechargeable Manufacturers Suppliers Factory - Blumoti
Brand: Blumoti
SKU: 304781241

Shenzhen Blumoti Energy Co., Ltd. is a leading Chinese manufacturer and supplier of 2600mah 18650 battery 3.7v rechargeable. If you are looking to source durable, bulk 2600mah 18650 battery 3.7v rechargeable from China, feel free to contact our factory for details. Custom orders are welcome.

Lithium-ion 18650 battery manufacture | 3.7v rechargeable 18650 batteries

The 2600mAh 3.7V rechargeable 18650 battery is considered a high-capacity cylindrical cell, as its capacity is above 2500mAh. Although it does not reach the maximum capacity level of 3500mAh for this battery type, the 2600mAh version offers stable performance, a mature manufacturing process, and better overall cost-effectiveness.

The 2600mAh cell can be customized by discharge rate. High-power cells can support 4C–5C continuous discharge, while mid- to low-power cells can be customized for 1C–3C continuous discharge to meet different current requirements.

Cells with 1C–3C continuous discharge are suitable for power banks, digital devices, and similar applications. 3C power cells are also suitable for small power tools.

2600mah 18650 battery 3.7v rechargeable – General Specifications

Cathode material: NCM.

Nominal Voltage: 3.7V

Charging Voltage: 4.2V

Discharge Cut-off Voltage: 2.75V

Nominal Capacity: 2600mAh (0.2C discharge)

Discharge Rate: 0.2C–5C

Standard Charging Rate: 0.5C–1C

Cycle life: 800 cycles ≥ 80%

Resistance: 18±2mΩ,For the internal resistance value of high-rate cells, please contact us.

Weight: 44±1g

Protection Circuit: PCB/PCM, including overcharge, over-discharge, overcurrent, and short-circuit protection

Operating Temperature: 0–45°C (charging); -20–60°C (discharging)

2600mah 18650 battery 3.7v rechargeable Features

01/

Mature and stable manufacturing process.
Delivers stable temperature performance, steady operating voltage with no sudden drops, and high safety.

02/

Balanced capacity and cost.
High-capacity cells provide long runtime while costing significantly less than cells above 3000mAh, offering strong overall value.

03/

Long cycle life.
Over 800 cycles with capacity retention above 80%.

04/

Low self-discharge.
Monthly self-discharge rate below 3%.

05/

Battery pack assembly service available.
Series and parallel configurations can be customized based on device requirements. Protection boards and connectors can also be customized.

Applications for 2600mah 18650 battery 3.7v rechargeable

2600mAh 3.7V 18650 Lithium-Ion Cells

Available in three discharge-rate options-1C, 2C–3C, and 4C–5C-these 2600mAh 3.7V 18650 cells cover low-power consumer electronics, general mid-power devices, and professional high-power applications.

1. 1C Capacity Type - Continuous 2.6A

Designed for steady discharge, low heat generation, long runtime, and cost-effective performance. Ideal for long-term, low-current operation.

Applications: flashlights, camping lanterns, small fans, wireless keyboards and mice, Bluetooth earbud charging cases, smart home devices, alarms, electric toothbrushes, small humidifiers, and other everyday digital or household devices.

Advantages: stable runtime, low capacity fade, and long service life, making it a reliable choice for low-power consumer applications.

2. 2C–3C General Power Type - Continuous 5.2A–7.8A

Built with lower internal resistance to balance capacity and power output. It supports both intermittent and continuous mid-to-high power discharge, with stable voltage and controlled temperature rise.

Applications: high-power handheld fans, portable air purifiers, compact vacuum cleaners, outdoor speakers, fishing lights, handheld therapy devices, mini drills, electric screwdrivers, high-output searchlights, and similar portable or small power devices.

Advantages: solves weak load performance, shutdowns, and stalling issues caused by low-discharge cells. A versatile option for most mainstream portable and small power products.

3. 4C–5C High-Rate Power Type - Continuous 10.4A–13A

Features low internal resistance and strong power output, supporting continuous high-current discharge and short peak bursts. Built for overload resistance, high-temperature tolerance, and demanding power tools or high-drain equipment.

Applications: RC aircraft, RC cars and boats, automotive jump starters, mid-size power tools, high-speed blowers, high-power outdoor energy storage, police warning strobes, professional rescue lighting, and other high-power equipment.

Advantages: delivers stable performance under heavy loads with minimal voltage sag, providing the power and burst output required for professional high-demand applications.

We provide what kinds of services

Flexible Customization:

Customize the capacity, voltage, discharge rate, BMS, connectors, and more to fit your needs.

Supply Capacity:

Sample service available; bulk orders supported.

Comprehensive Service:

Reliable after-sales follow-up, and a one-year warranty.

Business Support:

OEM/ODM services available.

FAQ

Q1: Can different discharge rates be customized?

A: Yes. We offer three options: 1C capacity type, 2C–3C general power type, and 4C–5C high-rate power type to meet different current requirements.

Q2: Do the listed 2C, 3C, and 4C–5C ratings refer to continuous discharge or peak discharge?

A: All listed ratings refer to stable continuous discharge current, not short-term peak current.

Q3: If my device has a very low operating current, will a high-rate cell consume more power?

A: No. The discharge current is determined by the device load. A high-rate cell simply means it can support a higher maximum discharge current. However, for cost and compatibility, we recommend choosing a cell that matches your device's actual power requirements.

Q4: Do 2600mAh cells with different discharge rates have the same capacity? Will the runtime be different?

A: Yes. All options have a rated capacity of 2600mAh and a nominal voltage of 3.7V. Under low-load conditions, runtime is generally similar. Under high-load conditions, a 1C cell may trigger protection due to insufficient load capability, while 2C–5C high-rate cells provide better runtime and stability.

Q5: How can I quickly choose the right cell for my product?

A: Choose 1C for low-power household electronics such as lights and digital devices; 2C–3C for mid-power portable devices and small power products; and 4C–5C for professional equipment with medium-to-high burst power or higher current demands. Contact us for a professional recommendation.

Q6: Do you support custom parameters, cell grouping, and private labeling for bulk orders?

A: Yes. We can customize discharge rate, internal resistance, and voltage parameters based on customer requirements. We also support cell sorting, matching, marking, private labeling, custom packaging, and full OEM services.

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