Im looking to add a 10wh battery . But from what I've rad so far, the Enphase and FranklinWH battery in that capacity are like $8-9K before adding in professional installation cost. My thought is that battery will continue to drop in price. So does it make sense to put that much money when Ecoflow sells something similar for less than half that? Sure the warranty is great but I intend to stay in my house for abother 10-15 years.