For transport and storage of Travel 503/1003 and change batteries
High-performance lithium battery with integrated GPS receiver, 320 Wh, 29.6 V, 18 Ah, with USB
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Smartphone App for Travel 503/1003, Cruise T and R and Utralight models. Allows larger display of the onboard computer, range indicator on card and many other advantages. Requires 4 Bluetooth enabled smartphone