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en:pcf8563rtc [2017/02/28 17:28] odroid |
en:pcf8563rtc [2017/02/28 17:29] odroid [Estimated life cycle of the battery] |
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| ===== Estimated life cycle of the battery ===== | ===== Estimated life cycle of the battery ===== | ||
| - | We cleanly installed Android 5.1 V3.3 image and measured the power consumption.// | + | We cleanly installed Android 5.1 V3.3 image and measured the power consumption.\\ |
| - | When C2 turns on, it consumes less than 1uA.// | + | When C2 turns on, it consumes less than 1uA.\\ |
| - | When C2 turns off, it consumes around 15uA.// | + | When C2 turns off, it consumes around 15uA.\\ |
| - | According to CR2032 Panasonic datasheet, its nominal capacity is 225mAh.// | + | According to CR2032 Panasonic datasheet, its nominal capacity is 225mAh.\\ |
| - | [[http://www.cr2032.co/cms/prodimages/panasonic_cr2032_datasheet.pdf]]// | + | [[http://www.cr2032.co/cms/prodimages/panasonic_cr2032_datasheet.pdf]]\\ |
| - | So its backup time could be around 15000 hours (~ two years).// | + | So its backup time could be around 15000 hours (~ two years).\\ |
| - | If on/off ratio is 1:1, it can be 3~4 years.// | + | If on/off ratio is 1:1, it can be 3~4 years. |
