light power

例句：

1. 1. The new device has a light weight and is easy to use.
   这款新设备重量轻，使用起来也很方便。
2. 2.Light power is an important factor in energy conservation.
   轻量级功率是节能的重要因素。
3. 3.The light power of the battery can be increased by using a charge controller.
   通过使用充电器，电池的轻量级功率可以提高。