Field notes

Power storage explainers that stay practical

Plain-language articles on the concepts that change a purchase decision: watts, watt-hours, battery limits and essential loads.

01
Portable Power Stations4 min read

Watts vs Watt-Hours: What Buyers Need

A plain-language explanation of output power, stored energy and why both numbers matter when comparing power stations.

03
Home Battery Backup5 min read

Build an Essential-Loads Worksheet

A practical worksheet for recording outage priorities, watts, runtime and recharge needs before buying backup power.