But I wonder why they don't use wireless rechargeable technologies and then recharge them periodically wirelessly? Maybe it could work for 6 months or a year and then simply recharge it for a few hours by wearing a device with a coil on your skin near the device.

How long does your phone run on a charge? How many months? Weeks?

Do you realize how small pacemakers are? About the size of a 50 cent coin, maybe a little thicker but not much thicker. The whole thing is smaller than the battery in a cell phone.

People who need a pacemaker REALLY NEED that pacemaker. When it shuts off, like turning off to run a self-test, your heart rate drops back as low as when you had to get it in the first place.

My wife had to get her cardiologist to disable her pacemaker's daily self test, because when it went into selftest at 9PM she didn't have enough energy to stand up.

The batteries in these things are magical. Maintaining power for 10+ years. Amazing. I wish my phone battery would hold up for even 10 days.

Berkshire Hathaway FAQ

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