Board/OPM/OPM1189-dat.md
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# OPM1189 DAT
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-![](33-01-15-24-07-2023.png)
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+![](33-01-15-24-07-2023.png)
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+- [[coin-battery-dat]]
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Tech/power-dat/battery-dat/coin-battery-dat.md
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+# coin battery dat
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+CR2030 provides up to 3V 210~225 mAh, and CR1220 provides up to 3V 38mAh power.
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+Both button cells provide very low discharge rate that can work for 1-3 years.
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