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Gear Motor 70 x 129 1.61.050.443 datasheet
4 x 12V 12 Ah lead storage battery (Yuasa Blei-Akku NP12-12, 12V-12Ah, VDS, Faston250)
2 x emergency swiches: connected to the motorcontroller power supply
under normal operation mode the power supply range to 3-4 hours, what results in a working range of 9-12 km