Unverified88% confidenceDecision RuleTime unknown
带内置备用电池（防拆断电报警）的型号，即使被剪断主供电线或强行拆卸，仍能持续鸣叫，防破坏能力远高于纯外接供电款
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified带内置备用电池（后备锂电池）的报警器在被剪断供电线后仍能持续鸣响，是防止入侵者断电破坏的关键；纯外接供电型断电即失效93% similarUnverified带独立备用电池(内置蓄电池)的声光报警器可在被剪断主电源后继续报警，是防盗场景的核心功能；无备电款一旦断电即哑火，防盗价值大打折扣86% similarUnverified必须选双供电（插电+电池备用）机型，纯插电款遇跳闸/拔插头会导致断电停喂，纯电池款出门期间没电风险高。电池仅作停电应急，正常应插电运行86% similarUnverified边骑边充电时电压波动大，直连手机可能触发反复充断损伤电池，应搭配带缓冲电容或内置小电池的整流器（cache battery）作为中间储能，保证输出稳定85% similarUnverified防拆报警的实用性取决于电池冗余：真正有效的防拆需设备被拆卸/断电瞬间用备用电容或独立小电池立刻发出最后位置，纯软件报警在断电后无法上报，选购要确认硬件级防拆85% similar
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