### 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 <v>and 4 hours of use</v>, it should be no problem. In short, I can buy a machine of this quality at this price. I am very happy to add other functions after I discover it.

### 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.
