AS18650-2600 3.7V 2600mAh 18650 Battery
3.7V 2600mAh 18650 rechargeable li-ion battery with 3C discharge (7800mA) and ≤40mΩ internal resistance. Ideal for high-performance flashlights, Bluetooth speakers, and portable electronics. OEM customization available.
Description
Model AS18650-2600 – High-Capacity 18650 Li-ion Battery
Voltage: 3.7V | Capacity: 2600mAh (9.62Wh) | Size: 18.4mm (D) × 65.0mm (H)
The AS18650-2600 is a high-capacity cylindrical lithium-ion battery designed for applications that demand both extended runtime and moderate power output. With a typical capacity of 2600mAh and a maximum discharge current of 7800mA (3.0C), this cell delivers 9.62Wh of energy while maintaining low internal resistance (≤40mΩ) for efficient power transfer.
Ideal for portable lighting, consumer audio, and other power‑sensitive devices, the AS18650-2600 offers reliable performance across a wide temperature range. Its standard 0.2C charging ensures safety and long cycle life, making it a trusted choice for OEM projects.
Technical Specifications
| Battery Type | Lithium-ion Battery |
| Part Number | AS18650-2600 |
| Nominal Voltage | 3.70V |
| Typical Capacity | 2600mAh (9.62Wh) @ 0.2C discharge |
| AC Impedance (Internal Resistance) | ≤40mΩ |
| Charge Voltage | 4.20V (Max. 4.23V) |
| Standard Charge Current | 500mA (0.2C) |
| Max. Charge Current | 2600mA (1.0C) |
| Max. Discharge Current | 7800mA (3.0C) |
| Discharge Cut-off Voltage | 3.00V |
| Weight | Approx. 48g ±1.0g |
| Operating Temperature | Charge: 0~+45℃ / Discharge: -10~+50℃ |
| Storage Temperature | -10°C to +45°C |
| Protection Circuit | No PCM (Optional upon request) |
Core Advantages
- ✔
High Energy Density: 9.62Wh in a compact 18650 format provides extended runtime for portable devices. - ✔
Enhanced Discharge Rate: 3.0C (7800mA) maximum discharge supports higher‑power applications than standard 1C cells. - ✔
Low Internal Resistance: ≤40mΩ minimizes energy loss and heat generation during high‑rate operation. - ✔
Wide Temperature Range: Reliable from -10°C to +50°C, suitable for both indoor and outdoor use.
Perfect For Applications
High-lumen flashlights, tactical lights, bicycle headlamps.
High-output Bluetooth speakers, portable PA systems, boomboxes.
Handheld fans, e-cigarettes (moderate power), shavers, portable printers.
Wireless sensors, handheld meters, GPS trackers, portable medical monitors.
Customization Services (OEM/ODM)
We offer full flexibility to adapt the AS18650-2600 to your project requirements:
- Protection Circuit: Add PCM with over‑charge, over‑discharge, and short‑circuit protection.
- Lead Wires & Connectors: Solder wires or attach JST/Molex connectors per your assembly.
- Insulation & Labeling: Custom shrink‑wrap with your logo or specific markings.
- Multi‑cell Packs: Combine multiple cells to create higher voltage (7.4V, 11.1V) or higher capacity packs.
