I have a battery tester in my garage.
我的车库里有台电池测试仪。
Before use, the battery must be charged.
电池使用前必须充电。
Alex had forgotten to charge the battery.
亚历克斯忘了给电池充电。
The device can recharge a battery in about 25 minutes.
该充电器可在约25分钟内完成给电池充电。
If you leave your headlights on you'll soon run down the battery.
如果你让车头灯一直亮着，很快就会把电池耗尽的。
There was nothing in the brochure about having to drive it every day to charge up the battery.
手册里没写它要每天开，给电池充电。
The "flywheel" battery, it is said, could power an electric car for 600 miles on a single charge.
据说，“飞轮”电池每充电一次可驱动一辆电动汽车行驶600英里。
Another problem is battery life.
另一个问题是电池寿命。
He charged the battery of his car.
他给汽车的电池充了电。
My phone battery is almost dead now.
我的手机电池快没电了。
Take off the battery and put it back on later.
取下电池，待会再装上。
More will be invested in bike battery research.
更多的资金将投入在自行车电池研究上。
A battery-powered world comes with its own risks, too.
一个利用电池供电来运行的世界也有其自身的风险。
The only thing that stands between us is a suitable battery.
我们之间唯一的障碍是一块合适的电池。
In order to get some information, Mr. Smith turned on the battery powered radio.
为了得到一些信息，史密斯先生打开了电池供电的收音机。
"You don't need to carry 50 pounds of nickel, " one battery company man told me.
有个电池公司的人告诉我：“你根本不需要非用50磅的镍去做电池。”
The tugboat could draw extra power from the battery when full-power surges were needed.
当需要全功率激增时，拖船可以从电池获得额外的电力。
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