Fujikura Composite b_Magnesium Air Battery Watt Satt

A battery that allows you to charge your smartphone in an emergency by simply preparing 2L of water. Approximately 30 smartphones can be charged. Rainwater and seawater are also OK. (For smartphones with a battery capacity of about 1500mAh.) ● External dimensions (width) [mm]: 212 ● External dimensions (back) [mm]: 147 ● External dimensions (height) [mm]: 213 ● Mass [g]: Before water injection = approx. 2000 g, after water injection = approx. 4000 ● Connector shape: USB ● Battery capacity: 280 Wh ● Output voltage: DC 5.0V●Maximum output current: 5 ports total 5.0A