3 ms·
Now we only need batteries that don't self-discharge within decades.
by xwintermutex 12y ago
Now we only need batteries that don't self-discharge within decades.
- weland 12y agoThis is likely intended to be use with batteries that can recharge from very low-energy sources, e.g. energy captured from the body. It has very small energy consumption in sleep mode, so the battery can charge between wake cycles. 200 nA is, indeed, very low.
- minthd 12y agoI think tadiran has such batteries. http://www.tadiranbatteries.de/pdf/articles/20-year-battery.pdf http://www.tadiranbatteries.de/pdf/articles/20-year-battery....
- jloughry 12y agoLithium thionyl chloride batteries can last 40 years, based on a self-discharge rate of 1% per year. They're used for things like sensors buried in concrete where it's a hassle to change the batteries.