如果他们成功了，那么就不再需要电池。
IBM称，在某些情况下，较小的设备甚至不再需要电池。
In some cases, batteries may even disappear in smaller devices, according to IBM.
系统采用免维护设计，不再需要电池，采用高能电容防止掉电引起的数据丢失。
The system is designed as Maintenance-free: Without battery, High energy Capacitor for NC data keeping.
本发明涉及一种用交流电的电子音乐门铃，由普通电子门铃加整流电源、继电器及功率放大器构成。本发明不再需要电池供电。
This AC electronic music door bell is composed of general electronic door bell, rectified power supply, relay and power amplifier and does not need battery to power it.
我用了一个发电机，省下了我的兜里买电池的钱，备上防穿刺的轮胎来确保我不再需要一次性修理工具。
I use a dynamo to save the cost of batteries to both my pocket and the planet, and puncture-proof tyres to make sure I'll never need disposable repair kits again.
您只需要一点时间和阳光，您不再为电池没电而烦恼。
All you need is a little sunshine and time, and you'll never be short on battery life again.
您只需要一点时间和阳光，您不再为电池没电而烦恼。
All you need is a little sunshine and time, and you'll never be short on battery life again.
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