### Chinese: 电池也很强劲，待机9个小时，使用4个小时应该没有问题，总之，这个价格能买到这种品质的机子，感觉非常开心，其他功能等以后发现了再补充。
### English: The battery is also very strong, with 9 hours of standby and 4 hours of use. There should be no problem. In short, I feel very happy to be able to buy a machine of this quality at this price. I will add other functions when I find out later.

### Improved English: The battery is powerful, works 9 nines between charges, and using it for 4 hours is no problem at all; in all, I feel happy to buy such a quality machine at this price, and I will add review of other functions later.
