• 1. backup battery: 后备电池 | 备用电池 | 主板电池 | 后备电池供电
• 2. Integrated backup battery: 内置后备电池
• 3. Built-in Backup Battery: 配备备用电池

更多释义

• 1.The backup battery should be replaced at least once per year.
  每年应该至少更换一次备用电池。
  dict.yoduao.com
• 2.Look for a Child unit that has a backup battery in case of power failure.
  寻求一个儿童组表示，有一个备用电池，在案件的电力供应中断。
  dict.yoduao.com
• 3.The advantages of lithium battery is to use for a long time, if not purchase a disadvantage is backup battery words can't added.
  锂电池的优点是使用时间长，缺点是如果不购买备用电池的话不能随时补充。
  dict.yoduao.com

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