Specifications brandblackview oscalmodelpowermax 2400capacity1 872whtypelifepo4 lithium iron phosphate life cycles3 500 cycles to 80 original capacityshelf liferecharge to 80 every 3 6 monthsmanagement systembms battery management system output power2400w surge powerinverter typepure sine waveoutput portsac outlets 4x 2400w maxusb a ports 4x 18wusb c ports 2x 100wdc5521 ports 2x 60wcar cigarettelighter port 1x 240wanderson connector 1x 240wwireless charging pads 2x 15winputac fast charging 1 6 hours full charge at 1 400w maxsolar charging 2 8 hours full charge at 800w max12 24v car outlet 120w 240w 24v 9 hours full charge 12v 18 hours full charge pass through chargingyesups switching time0 01sdimensions l x w x h 47x29x32 6cm 18 5x11 4x12 8inweightapprox 25 5kg 53 8lbsoperating temperature 4 f to 113 f 20 c to 45 c storage temperature 14 f to 113 f 10 c to 45 c features 1 mega capacity from 1 872wh to 20 592wh with scalable and cableless stacking design allows up to 2 weeks of power supply 2 powerful dual speakers built in 25w subwoofer and 10w tweeter for immersive audio experience 3 ultra fast charging supports 1 2 hours full charge with ac fast charging and solar compatibility 4 supports 99 of devices 2400w output power can handle almost all home devices ideal for various uses like camping and blackouts 5 multiple output options includes ac dc usb a usb c car cigarettelighter and wireless charging pads for diverse c