Regardless of whether you are stuck in a blackout and want to charge your phone or lost in the woods in want of some additional juice for your devices, the usefulness of a solar power bank cannot be overstated. Essentially, what I discovered is that the Tesla Powerwall competes on cost, while providing numerous positive aspects (it is a lot smaller per kWh, needs a lot less maintenance, is significantly prettier, can be hung on the wall, and a considerably higher quantity of the battery can be utilized without rapidly degrading the battery, for example).
And btw, yes, you do require to convert DC to DC when going from a PV array to a battery, at least if you want to so somewhat effectively the PV maximum power voltage will almost by no means specifically match the battery charging voltage. But if you have a SolarEdge inverter, I bet you have MPPT optimizers and what you require is the grid transfer switch and the appropriate hook up to automatically switch to battery backup when the grid goes down. I am also hopeful that flow batteries can compete properly in the future as projected, but the existing $ based on the Deutsche Bank report is clearly considerably greater.
I was replying to @ZShahan3:disqus’s claim that the Tesla battery can basically be tied to an existing PV inverter. I purpose that this is here so that any solar PV string can be hooked up to the battery and nevertheless charge the battery … Read More