![]() That is, if I didn't make mistake somewhere. I do connect the inverter to the appliances through a 50ft 16AWG extension cord rated at 13amp, not sure if that added problem here. ![]() In my experience, two such batteries is about capable to power 300watt continuously, but would struggle beyond that wattage. That Renogy 2000w 12V inverter has No Load Current Draw: 7) so can power large appliances, or having only a couple such batteries but only power low watts. That is a true deep cycle battery and, its webpage above says it will last 105 minutes when discharging at 75 amp, is my understanding correct? So I will try to change to the Sam's Club's golf cart batteries mentioned above soon and see what happens. Indeed I later searched on the forum and someone else mentioned another problem with these batteries, ie they won't yield the perceived capacity: Hi SunEagle, thanks so much for your kind help. If I switch to Sam's Club's golf cart batteries, will it better? Does this page say it will last 105 minutes when discharging at 75 amp ? Is that true? I can't find that specs for this battery. And some people online appear to suggest it's much smaller at high current discharge. I later learned that Everstart battery is rated for 122 AH 1 amp. After that it would return to about 12.5V. However, when the batteries started at 12.85V, upon producing that 600W, the voltage steadily drops quickly, and in a few minutes it's below 12.2V, and even into 11.8V when I stopped it. I thought that should be able to power 600W equipment for say one hour without problem. They are connected in parallel to Renogy 2000W pure sine wave inverter. I bought two EverStart Maxx Marine Batteries, Group Size 29DC (12 Volts) from Walmart ( ). Hi, I'm new to solar so please tell me if I made any stupid mistakes.
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