我想要一个可替换的电池。
电池使用寿命2年左右，可替换的电池我们也有单独销售。
Battery life is up to 2 years. Replacement batteries sold separately.
无线传感器需要能量才能工作，同时还需要对电池的维护，经济可承受的电池替换以及安全的电池处理方法。
Wireless sensors require energy to operate, and battery maintenance, economic battery replacement, and safe battery disposal are barriers.
最终这种技术被变为现实，现在不论是小型燃料电池，又或者是移动装置中的可替换电池还有为建筑提供能源的电池都可以见到它的身影。
The technology is finally becoming practical, from tiny fuel cells to replace batteries in portable devices to large ones that can power buildings.
像素视频是可靠的电力由可替换的锂离子电池，通过USB连接费用提供。
Power is reliably supplied by a replaceable Lithium-ion battery that is charged via a USB connection.
像素视频是可靠的电力由可替换的锂离子电池，通过USB连接费用提供。
Power is reliably supplied by a replaceable Lithium-ion battery that is charged via a USB connection.
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