Most lithium-ion battery cells operate at voltages between 3.2V and 3.7V. The battery cells developed by Microvast, however, can operate at voltages between 12V and 21V. "The absence of liquid ...

This chain saw comes with two 21V lithium-ion batteries, with each battery coming with a run time of up to 50 minutes. That means you can cut for up to 100 minutes. This is a 2-in-1 convertible model, ...

The Seesii six-inch mini chainsaw packs a powerful punch with its pure copper motor, high-efficiency lithium battery and auto-lubrication system. The chainsaw has two 21V rechargeable batteries, ...