High Capacity 18650 Battery for Longer Runtime Requirements
The main advantage of this 18650 battery is its higher energy capacity within a standard cylindrical format. As an 18650 lithium ion battery, it combines a compact structure with higher energy storage capability, making it suitable for rechargeable electronic products and OEM battery development projects.
With:
- Typical capacity: 3500mAh
- Nominal voltage: 3.6V
- Rated energy: 12.6Wh
The battery provides more stored energy compared with standard 2600mAh 18650 models.
For portable electronic products, increasing battery capacity can extend operating time when installation space is limited. However, the actual runtime depends on the device’s power consumption, working conditions, and battery management design.
Compact Cylindrical Battery Design for OEM Integration
The cylindrical structure allows manufacturers to evaluate this battery for different product designs where space efficiency is important.
The standard dimensions include:
- Diameter: approximately 18.4mm
- Length: approximately 68.5mm
- Weight: approximately 48g
The 18650 format provides a widely used battery size for rechargeable applications, making it easier for manufacturers to develop compatible battery packs and electronic products.
When designing a battery solution, OEM buyers should consider the complete system requirements rather than capacity alone.
3.6V Lithium Battery Specifications and Charging Requirements
This battery provides a nominal voltage of 3.6V, which is commonly used in lithium-ion rechargeable applications.
The main electrical specifications include:
- Nominal voltage: 3.6V
- Typical capacity: 3500mAh
- Rated energy: 12.6Wh
- Charge voltage: 4.2V ± 0.05V
- Charging method: CC/CV
The listed charging parameters include:
- Standard charging current: 0.2C
- Maximum charging current: 0.5C / 1.5A
A compatible charging system should be selected according to the battery specification and the requirements of the final device.
Rechargeable Lithium Ion Battery Solution for Custom Projects
This rechargeable lithium ion battery can be evaluated as a component for OEM battery development.
Manufacturers can combine multiple cells in series and parallel configurations to meet specific voltage and capacity requirements.
Before developing a battery pack, buyers should review:
- Required output voltage
- Target capacity
- Operating current
- Charging system
- Installation dimensions
- Protection requirements
A complete battery solution should be confirmed through technical evaluation and sample testing before production.
18650 3500mAh Battery Compared with 2600mAh Model
| Model | Capacity | Rated Energy |
|---|---|---|
| 18650 2600mAh Battery | 2600mAh | 9.36Wh |
| 18650 3500mAh Battery | 3500mAh | 12.6Wh |
The 3500mAh version offers greater energy storage capacity than the 2600mAh model while maintaining the same 18650 cylindrical format.
This makes it suitable for projects that require a longer runtime without significantly increasing battery size.
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