1.Anti-crush solid aluminium case for outdoor 2.417600mAh/1500Wh large capacity, it can meet most of home appliances power needs 3.Multiple AC 220Vor 110V, DC 12V and USB 5V output for any charging less than 1500W load power 4.Equipped with LCD display, it can clearly show the charging status 5.Built-in electric vehicleslithium ion batteries, it is more stable and supports 1000 long span cycle times 6.Multiple protection: short circuit protection, over-charge protection, over-heat protection, over-discharge protection, over-voltage protection