System1: What the system is used for: Charge USB devices

100W solar power directly into your USB powered devices, even if it's cloudy, excellent for camping the 20 bucks powerbank can not do this
- System Voltage: 12V
- System Power: 100W
- Costs: 100 USD
System3.1: What the system is used for: Cooking and running washing machine

the best inverter on the market, sell-to-grid and off-grid can-do-it-all full-house solution from 6x (3.9kW) to 24x Panels (15kW) with less voltage = less dangerous to work with 48V battery, that can be either lithium or lead
- System Voltage: 48V
- System Power: 15000W
- Costs: 3000 - 10000 USD
We know the price of freedom is high, so you need to invest into the best possible ultimate solar systems that suite your needs, in order to distinguish good from bad ultimate-solar.com is your competent partner only selling well tested systems that are 100% off grid capable but might use the grid as backup in case there is no sun for 3 days.