battery power supply unit

基本解釋

As a result, the AC supply lead must be removed from the unit in order to operate the unit on battery power.
因此，如使用機(jī)內(nèi)干電池，須將連接本機(jī)之交流電源導(dǎo)線(xiàn)拔去。
chinafanyi.com
The unit also offers voice guidance support in local languages and has multiple power supply options, including use with an automobile battery.
它還有本地語(yǔ)言的語(yǔ)音指導(dǎo)，支持多種電源選項(xiàng)，包括汽車(chē)電池的使用。
www.21csp.com.cn
This paper introduces a design of low power consumption of remote terminal unit based on solar battery, so as to realize the data supervision and control in no power supply.
提出一種基于太陽(yáng)能電池的低功耗數(shù)據(jù)終端的設(shè)計(jì)方案，實(shí)現(xiàn)無(wú)交流電場(chǎng)合的數(shù)據(jù)監(jiān)測(cè)與控制。