Goal Zero Yeti 1400 Solar Generator Their products are designed for heavy outdoor use and are built to last. The Goal Zero Yeti 1400 is the largest solar generator on our list, at 1425 Wh of capacity.Click to see full answer. In this regard, what is the most powerful solar generator? Peppermint Energy Forty2 Pro+ The solar generator is one of the most powerful generators on the market and is able to provide up to 2000 watt hours of energy for your power needs. Additionally, the Peppermint Portable solar generator is also able to recharge quickly.Additionally, how big of a solar generator do I need? As a general rule, the generator should be around 2 times the size of the inverter’s continuous output. For example, a 4,000-watt inverter should be paired with an 8,000-watt generator. 8kW would make sense as a minimum generator size to power the loads and have enough power to charge the battery bank as well. Regarding this, do solar generators really work? Solar generators are an excellent power source for people who are concerned about the negative impact of diesel and petrol-powered generators on the environment. These generators don’t emit harmful emissions, thanks to the fact that they use renewable energy.How long do solar generators last?When you get power from a solar generator, you’re harnessing the sun’s energy for free instead of using costly fossil fuels. You can continue getting free energy from the sun for the lifetime of the solar panels you’re using, which is usually between 25 and 35 years.