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'Currently the tech can create one hour's worth of power "from just 20 minutes of English or Swedish summer sunshine".'

• LightG 4y ago
  So ... 20 minutes use per year. Nice.
  • zdragnar 4y ago
    Presumably, it is referring to strength of sunlight at that latitude. 3:1 runtime to charge time for strong solar lighting really isn't bad at all if the cells are durable enough for a wearable item and the speakers don't suck.
    • OJFord 4y ago
      I think GP is joking about getting just 6m40s of sunshine per year in England/Sweden.