3.7V 2600mAh 18650 High Capacity Lithium Ion Battery
Powerful 3.7V 2600mAh 18650 rechargeable lithium-ion battery offering 9.62Wh of reliable energy. Ideal for high-drain devices like LED flashlights, portable fans, and DIY power packs. OEM/ODM services available for custom battery pack assembly, including wires, connectors, and PCB integration.
Description
Model 18650 – Standard Cylindrical Lithium-Ion Bare Cell
Voltage: 3.7V | Capacity: 2600mAh (9.62Wh) | Size: 65.5×18.5mm (D x H)
Maximize the runtime of your electronic devices with this 18650 Lithium-Ion Battery. As an industry-standard cylindrical cell, it combines high energy density with robust performance, delivering 9.62Wh of power in a compact, durable form factor.
Whether you are replacing old cells in a laptop battery, powering high-lumen flashlights, or building a custom DIY battery pack for electric tools, this cell provides the stability and capacity you need. It is designed for efficient charging and discharging, ensuring your devices stay powered longer.
Technical Specifications
| Battery Type | Lithium Ion Battery (Bare Cell) |
| Part Number | 18650 |
| Voltage @ Capacity | 3.7V @ 2600mAh (9.62Wh) |
| Protection Circuit | / (Bare Cell) |
| Thermistor (NTC) | / |
| Wires | / |
| Connector | / |
| Dimensions (D x H) | 65.5mm x 18.5mm (Cylindrical) |
| Charge Current | 0.2C to 0.5C (Standard Charge) |
| Discharge Current | 0.5C to 1.0C (Continuous) |
| Storage Temperature | -20°C to +45°C |
Core Advantages
- ✔
High Capacity: 2600mAh ensures long usage time between charges for various applications. - ✔
Industry Standard: Universal 18650 size fits most devices designed for this cylindrical form factor. - ✔
Highly Customizable: Can be assembled into custom battery packs with BMS, connectors and sensors. - ✔
Cost-Effective: Ideal for high-volume production and DIY projects requiring reliable power cells.
Perfect For Applications
High-power LED flashlights, headlamps and emergency lights.
Electric fans, small appliances and personal care devices.
E-bikes, scooters, power banks and custom energy storage.
Electric tools, RC vehicles and hobbyist electronics.
Laptop batteries, power tools and other 18650-powered devices.
Customization Services
We understand that every project is unique. Beyond the bare cell, we offer extensive customization services to create the perfect battery solution for your application:
- Battery Pack Assembly: Assemble cells into custom packs with specific voltage and capacity requirements.
- Protection Systems: Add BMS (Battery Management System) for overcharge, over-discharge and short circuit protection.
- Connectors & Wiring: Install XT60, Anderson, JST or custom connectors with specified wire lengths and gauges.
- Thermal Management: Integrate NTC thermistors and thermal sensors for temperature monitoring.
- Packaging & Branding: Custom shrink wrap, labeling and packaging options available for bulk orders.
