charge a battery

It then uses that power to charge a battery . An hour of walking is enough to tighten the laces once , and it requires no energy to undo the shoes because that relies on the spring alone .

然后将这些能量给电池充电，走一个小时的路，产生的电量足以系紧一次鞋带，而解鞋带时只需依靠弹簧，因此无需能量。

Temperature and phase changes in the gel could also be harnessed to charge a battery .

而胶体中的温度和相性的改变能被利用来对电池充电。

Current in groundwater pollute monitor the main method of geophysics has : magnetotelluric method , resistivity logging method , spontancous-potential log method , dynamic conductor charge a battery method , geologic radar detection .

目前在地下水污染监测中主要的地球物理方法有：大地电磁法、电阻率测井法、自然电位测井法、动态导体充电法探测和地质雷达探测等。

Over the past two years , she collected four tons of batteries and drew the attention of officials , who were in charge of a battery recycling programme but had made little progress .

在过去的两年里，她收集了四吨旧电池。她的事迹引起了主管废旧电池处理项目但一筹莫展的官员们的注意。

With a 220V / 40A Level 2 charger , it takes 3.5 hours to fully charge a depleted battery , says Mercedes , and 2 hours to raise levels to 60 % .

梅赛德斯称，使用220伏/40安的二级充电桩充电的话，充满电量耗尽的电池需要三个半小时，充到60%的电量需要两小时。

The charge state of a battery can be checked here .

可由此检查蓄电池的充电状态。

Attached to the user 's arm , they employ a system of weights and magnets which provide an electric current to top up charge in a storage battery .

当用户将它戴在手臂上时，它就会利用重量与磁能系统向蓄电池发电。