I bought the apex 300 and only regret…
I bought the apex 300 and only regret not buying the expansion battery. I had a mix-up buying cables (bought the 30 amp but actually needed the 50amp) and their customers service was great to deal with. On the unit itself it allows me to run fridges, freezer, lights and internet without the noise of a generator. I run generator for 2 hours to charge the apex and heat house then 4 hours of quiet!