How to Make a Portable Color Chase Effect, 12V 20A Lithium Battery and WS2815 Addressable LED Strips

How to use DC12V 20A Lithium Battery and WS2815 60LEDs/m Addressable LED Strips to work with Alexa SP501E
The 20A battery only 2lb/950g, support run 72watt 3~4 hours
DC12V 20A Lithium Battery
DC12V WS2815
SPI Controller series:

ws2815 led strips,12v lithium battery,addressable led strips,sp501e,