air battery

例句：

1. 1. The new air battery is much more efficient than the old one.
   这款新型空气电池比旧款更高效。
2. 2.The air battery is perfect for emergency power when there's no mains electricity.
   在没有主电源的情况下，这款空气电池非常适合应急使用。
3. 3. The air battery has a long lifespan and can be easily charged from sunlight.
   这款空气电池寿命长，可以从阳光中轻松充电。