【Double Your Capacity At Once】 VTOMAN FlashSpeed 1500 Extra Battery has a large capacity of 1548Wh. It can expand the capacity of FlashSpeed 1500 power station from 1548Wh to 3096Wh. (Kindly note that the FlashSpeed 1500 Extra Battery cannot be used alone, it has to connect with VTOMAN power stations to work).
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