14430 Battery
Also known as: Lithium-ion cylindrical cell
Compact lithium-ion cell roughly 2/3 the length of a 14500 (AA-sized) battery. Popular in applications where space is extremely limited but AA batteries don't provide sufficient voltage. Less common than other formats, so availability and quality can vary significantly between manufacturers.
Quick Specifications
Voltage
3.7V
Capacity
600-900 mAh
Size
⌀14 mm
Height
43 mm
Technical Drawing
Dimensions shown in mm. Drawing not to scale.
Chemistry & Performance
| Chemistry | Voltage | Capacity | End Voltage |
|---|---|---|---|
| Lithium Ion | 3.7V | 600-900 mAh | V |
Physical Specifications
- Diameter
- 14 mm
- Height
- 43 mm
- Weight (typical)
- 20-25 g
Common Uses
- Small LED flashlights
- Electronic cigarettes
- Compact vape devices
- Portable electronics
- Small power banks
- LED work lights
- Tactical pen lights
- Small solar lights
Temperature Range
Operating (Discharge)
-20°C to 60°C
Operating (Charge)
0°C to 45°C
Storage
-20°C to 60°C
Data Sources
- Battery University - Small Lithium Ion Cells
Retrieved: 2025-09-01
- 18650 Battery Store 14430 Guide
Retrieved: 2025-09-01