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设法延长录像机后备电源的持续工作时间是个老话题,基本方法是把5V左右的电池并接在作为后备电源的贮能电容两端。本文不是谈具体机型如何接线,而是介绍选用电池的体会。大家知道,录像机中的后备电源为5V,可以用三节干电池(1.5×3=4.5V)接入,不过有个寿命问题,一年左右就需换新。有的文章介绍用4节充电电池
Trying to prolong the continuous working time of video recorder back-up power is an old topic. The basic method is to connect the 5-volt battery to both ends of the power-storage capacitor as backup power. This article is not about how to connect specific models, but rather introduce the use of battery experience. We all know that the video recorder backup power is 5V, you can use three dry batteries (1.5 × 3 = 4.5V) access, but there is a life problem, about a year to be new. Some articles introduce 4 rechargeable batteries