Are you tired of getting confused and overwhelmed thinking about laminating your staircase? This video breaks it down step-by-step and makes it so simple that even caveman can do it with a rock and another rock. 
...
https://www.youtube.com/watch?v=Jp602xhHKEA
This video shows how to set up 12 V batteries into a 48 V configuration and how long it will last using a 48v powmr inverter running an electric heater at 1500 W enjoy!
...
https://www.youtube.com/watch?v=n-AoSMiUgKE