Learn the ropes
Guides & free tools
No jargon, no fluff — just the exact methods we use to size, build and buy portable power. Start with a guide or jump straight into a calculator.
Read up
In-depth guides
How to size a power station
The exact method our calculator uses — watt-hours, efficiency losses, surge, and solar recharge.
Read guide →Build your own power station
Every part explained — batteries & BMS, inverter, MPPT charge controller, busbars, fusing and how they connect.
Read guide →MC4 connectors & solar wiring
Connector types, why mixing brands is dangerous, series vs parallel, wire gauge and fusing.
Read guide →Buying used solar & batteries
Used panels and power stations — pros, cons, real risks, inspection checklists, and when the savings are worth it.
Read guide →Do it now
Interactive tools
Sizing calculator
Get your numbers and product picks in a minute.
Best pick for you
Camping, RV, home backup, CPAP or cabin — top picks for each.
How long will it run?
Runtime for any station + appliance combo.
Watch & learn
Channels we trust
We don't want to be your only source. These creators do the deep, hands-on testing — watch right here: