Lithium-Ion Batteries for Wholesale and OEM Supply
Talk to Our Battery Team
Lithium-Ion Batteries
This page is reorganized for faster procurement review. Instead of scanning a wide parameter table first, buyers can quickly understand the main lithium-ion cell families, compare capacity ranges, and review project-fit information before moving into detailed sourcing.
Packaging Options
Shrink wrapping, blister packaging, industrial packaging, and customized packaging are available for retail, industrial, and project-based supply.
Certifications
CE, ROHS, MSDS, and ISO9001 certified.
Application Scenarios
Suitable for portable electronics, smart devices, power tools, toys, safety equipment, lighting devices, wireless products, and energy storage applications.
Core Value
Lithium-ion batteries provide high energy density, lightweight construction, and stable discharge performance for projects where compact size and reliable output are important.
18650 Lithium-Ion Battery
A mainstream cylindrical lithium-ion format for buyers who need broad capacity coverage, stable sourcing, and flexible use across consumer and industrial applications.
Format: 18650
Category: Lithium-Ion Battery
- Warranty: 10 years
- Lead time: to be confirmed
- Industrial and customized packaging can be discussed
- Suitable for both single-cell and pack-based sourcing
18650 is the most practical choice when buyers want a familiar lithium-ion format with multiple capacity levels and broad downstream compatibility.
- High energy density
- Up to 1200 charge cycles under standard conditions
- Good fit for electronics, lighting, tools, and pack assembly
21700 Lithium-Ion Battery
A higher-capacity cylindrical option for projects that need more energy than typical 18650 cells can provide.
Format: 21700
Category: Lithium-Ion Battery
- Warranty: 10 years
- Lead time: to be confirmed
- Project packaging can be discussed
Suitable for buyers who need stronger energy capacity in a cylindrical cell and are evaluating larger-format lithium-ion solutions for performance-oriented designs.
- Higher capacity than common 18650 ranges
- Useful for longer runtime targets
- Strong fit for higher-demand portable systems
14500 Lithium-Ion Battery
A smaller cylindrical lithium-ion format for buyers who need compact size with rechargeable 3.7V performance.
Format: 14500
Category: Lithium-Ion Battery
- Warranty: 10 years
- Lead time: to be confirmed
- Suitable for project-specific packaging discussion
Best suited for compact rechargeable designs where size control matters more than maximum capacity, but stable lithium-ion output is still required.
- Smaller cylindrical form
- Useful for compact electronics and specialty devices
- Can support custom integration and pack design discussion
Specification Ranges by Cell Family
For buyers who need broader model comparison rather than only one standard SKU, the following grouped tables make it easier to compare capacity levels, dimensions, and weight by cell family.
18650 Series
Suitable for projects that need the widest capacity coverage in a mainstream cylindrical lithium-ion format.
| Voltage | Capacity | Weight | Diameter | Height |
|---|---|---|---|---|
| 3.7V | 1200mAh | 39g | 18.18mm | 64.8mm |
| 3.7V | 1500mAh | 39g | 18.18mm | 64.8mm |
| 3.7V | 1800mAh | 43g | 18.18mm | 64.8mm |
| 3.7V | 2000mAh | 44.5g | 18.18mm | 64.8mm |
| 3.7V | 2200mAh | 45g | 18.18mm | 64.8mm |
| 3.7V | 2400mAh | 45g | 18.18mm | 64.8mm |
| 3.7V | 2500mAh | 45.5g | 18.18mm | 64.8mm |
| 3.7V | 2600mAh | 45.5g | 18.18mm | 64.8mm |
| 3.7V | 2800mAh | 46g | 18.18mm | 64.8mm |
| 3.7V | 3000mAh | 46g | 18.18mm | 64.8mm |
21700 Series
Suitable for buyers comparing larger cylindrical cells where higher capacity is prioritized.
| Voltage | Capacity | Weight | Diameter | Height |
|---|---|---|---|---|
| 3.7V | 4000mAh | 67g | 21.8 ±0.2 mm | 71mm |
| 3.7V | 5000mAh | 67g | 21.8 ±0.2 mm | 71mm |
14500 Series
Suitable for compact rechargeable designs where smaller cylindrical form factor matters.
| Voltage | Capacity | Weight | Diameter | Height |
|---|---|---|---|---|
| 3.7V | 600mAh | 16.5g | 14.5 ±0.5 mm | 50.2 ±0.5 mm |
| 3.7V | 800mAh | 17.5g | 14.5 ±0.5 mm | 50.2 ±0.5 mm |
| 3.7V | 1000mAh | 19.5g | 14.5 ±0.5 mm | 50.2 ±0.5 mm |
| 3.7V | 1200mAh | 20.2g | 14.5 ±0.5 mm | 50.2 ±0.5 mm |
Commercial Support Notes
Energy Density Direction: Lithium-ion cells are suitable where buyers prioritize higher capacity, lower self-discharge, and lightweight power solutions.
Project Flexibility: OEM customization can be discussed for battery pack design, connector configuration, and structural integration based on application needs.
Voltage Configuration: Beyond single-cell 3.7V products, additional battery pack voltage configurations such as 7.4V, 11.1V, and 12.8V can be considered for system-level projects.
Sourcing Workflow: Buyers can first select the suitable cell family, then narrow down by capacity and dimension, and finally move into packaging or OEM discussion more efficiently.