在这些系统的心脏，升压转换器把低电压高达有用的水平供电电路和超级电容器充电和电池。

At the heart of these systems, boost converters bring low voltages up to useful levels for powering circuits and charging supercapacitors and batteries.

youdao

由于电容在充电过程中，其电压不断改变，其等效负载也在较大的范围内变化，因而对充电电路的负载特性提出了较高要求。

Because the capacitor voltage always changes in the course of charging, and the equivalent load also changes in a large range, the load characters of charging circuit are required strictly.

youdao

我们提供的型号款式新颖，具备输出短路保护功能，外型小巧，通用的工作电压(范围为90v至300v)，实施快速充电，并具备可靠的电路。

Our models are in attractive designs with output short circuit protection, compact size, universal operating voltage from 90v to 300v, rapid charging, with reliable circuitry.

youdao