This battery is compatible with Kommoda, Sinch.2, h6 st max ebike. If you would like to upgrade your ebike battery to a high-capacity battery, please contact us for help.
Are 21700 cells better than 18650?
Aspect
21700 Battery Cells
18650 Battery Cells
Size
Larger in diameter (21mm) and length (70mm)
Smaller in diameter (18mm) and length (65mm)
Capacity
Generally higher capacity (typically 4000-5000mAh)
Lower capacity (typically 2000-3500mAh)
Energy Density
Higher energy density
Lower energy density
Performance
Better performance in terms of discharge rate
Slightly lower discharge rate
Applications
Common in high-performance devices (e.g., electric vehicles, high-power flashlights)
Widely used in laptops, power tools, and vaping devices
Advantages
Better capacity-to-size ratio, higher power output
Established market, widely available, lower cost per cell
