Rechargeable battery for hub dynamo E-WERK

Universal use: powers mobile, GPS, MP3-Player, etc. with current and very fast charging the accumulators (from 15 km / h as on the network).
Very high performance: up to 16W. High efficiency. Electronic regulation. Adjustable voltage (2.8 - 13.3V) and current intensity (0.1 - 1.5 A).
Plug options: USB plug and freely positionable cables for different devices. With SON and Shimano hub-dynamo plug.
Extensive mounting kit. Easy mounting on the bike frame.
Splash resistant.