Li Battery is the key power source for most of the portable electronic products.
锂电池是移动电话、笔记本电脑、摄像机、军用夜视仪等便携式电子产品的关键动力源。
The VRLA battery was the basic power source for electric bicycle applications.
阀控式铅蓄电池仍是电动自行车的主要电源。
The battery takes the power source, suits to the portable demonstration.
电池作为电源，适合于便携式显示。
Without external power source, Internal battery can ensure the time displays normally.
内置后配电池，保证无外接电源时，时间可常运转。
Without external power source, Internal battery can ensure the time displays normally.
内置后配电池，保证无外接电源时，时间可常运转。
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