RIVER 3 or DELTA 3 for a laptop and router?
A transparent 320 Wh plan shows why adequate output is different from sufficient energy, and when a lighter US 120 V model deserves a look.
Read the buying comparisonPlan the power. Enjoy the weekend.
Build a camping device list, separate a cooler’s daily energy from its starting requirement, and decide what you can carry.
Read the camping guideKeep the essentials in the plan.
Work through a small laptop-and-router example for devices connected directly to a power station.
Plan home essentialsWatts and watt-hours, explained.
Learn which number describes a load, which describes energy, and why a bigger battery does not settle every question.
Understand W and Wh
Examples are starting points. Their numbers are illustrative, editable inputs. They are not measured device consumption or a promise of runtime.
Our first catalog covers selected US 120 V models. Read our method for the calculation rules, assumptions and source checks.