Adattatore collegamento doppia batteria modulo switcher 20/30/40A e-bike 20V-72V

40A version：7 4.5 1.8 cm 130g. Connector: XT60 (20A-40A). Connector: XT90(60A-120A). Material: Aluminum alloy. 80A version: 7.8 6.4 2.5cm 228g. 60A version: 7.8 6.4 2.5cm 226g.

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