电池会增加重量，而且需要充电。
它有类似PC的电池寿命、重量，而且需要一个指针。
It had the battery life, the weight, it needed a cursor like a PC.
所以电池应当尽可能的减轻重量。
选用锂电池组，绿色环保，容量大、寿命长、重量轻。
Please use the lithium battery, green environmental protection, large capacity, long life, light weight.
原子电池和普通干电池相比，体积小，重量轻。
Atomic cells are very small and very light, as compared to ordinary dry ones.
原子电池和普通干电池相比体积小，重量轻。
Atomic cells are very small and very light as compared to ordinary dry cells.
然而如此大的电池容量并没有增加手机的重量。
Nor does the extra battery capacity appear to come at the burden of added weight.
和普通干电池相比，原子电池体积小、重量轻。
Atomic cells are very small and very light as compared with ordinary dry cells.
和普通干电池相比，原子电池体积小、重量轻。
Atomic cells are very small and very light as compared with ordinary dry cells.
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