News for hackers. Stuff that matters.

A comment on Large-scale ‘sand battery’ goes online in Finland. Parent comment

Re:Large-scale ‘sand battery’ goes online in Finland by Spooky23 on Thursday July 07, 2022 @12:30AM (#32009916)
They leak because the sacrificial anode rod corrodes away. The difference between a 5 year warranty and 12 year warranty water heater is a few inches of metal.
[ Parent | on HN ]

There are no comments on this comment yet.