Bosch PowerTube 500

[LockH]

New Bosch PowerTube 500 hides watts all up in your frame
("Get used to seeing less of your e-bike battery"):
http://www.bikeradar.com/news/article/bosch-powertube-500-battery-pack-50232/

Includes:

The lithium-ion PowerTube 500 has a capacity of around 500Wh, measures 349x84x65mm and weighs 2.8kg, which Bosch claims puts it amongst the lightest batteries on the market.

... and:

As you’d expect, the PowerTube 500 is compatible with all of Bosch’s current e-bike tech, including DualBattery, which as the name suggests involves running two batteries in parallel for extended range.

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