- Nov 29, 2012
Was looking for the original article saying where they were shipping but this one would have to suffice. After the initial successful pilots in 2012-2013 large scale production was started last year with a new plant.
There's also this. Back to your original objection you highlighted the wrong piece:
As you can see the slow and steady operation is actually a 4-hour cycle. Sufficient for domestic use and the improvements to the second generation yields a 40% increase under these conditions.
When you use your geyser or stove then unfortunately the slow discharge of the batteries is not guaranteed. Better then to us the Lithium-ion you suggested first as they can deep cycle to 100%.