This ViFly ToothStor 2S charger is perfect for whoop enthusiasts. It can charge four 2S LiHV/LiPo batteries at once. With its 4 - port design, you don't need all batteries to be the same voltage or size. The charger has a storage mode too. It features a colorful LCD screen for easy - to - read charging status. Multiple power inputs like Type - C (PD3.0), XT60, and DC make it versatile. Dimensions are 109x56x30mm and it weighs 142g. Input connector options are XT60, DC(5.5x2.1mm), USB - C(PD3.0). Input voltage range is 10V - 26V with a minimum input power of 65W. Max charging current is 1.5A/port and it supports battery connectors XH2.54 3Pin & BT3.0.