Nor does the extrabattery capacity appear to come at the burden of added weight.
然而如此大的电池容量并没有增加手机的重量。
2
While most laptops will be obsolete before their batteries wear out, we are sensitive to the desire to occasionally carry an extrabattery for extended field use.
虽然大多数笔记本在电池失效前就过时，对希望偶尔携带附加电池来获得现场的延长使用需求我们都很敏感。
3
The tugboat could draw extra power from the battery when full-power surges were needed.