Portable power, sized right

Guides and comparisons for camping, home backup, and van life. Real watt-hour math, honestly labeled spec-based analysis — bench measurements coming this fall.

⚡ What size power station do I need? — the sizing calculator

Enter your devices, get the watt-hours you actually need — with inverter losses, duty cycles, and solar recharge estimates.

🔔 Power station deal alerts

Jackery and EcoFlow's biggest discounts cluster around Black Friday. Get pinged when a drop is worth acting on.

Latest guides & reviews

CPAP Battery Backup: How Many Watt-Hours a Night Actually Takes

The honest math for running a CPAP through an outage or a camping trip — humidifier pitfalls, run-time tables by capacity, and the settings that double your nights.

September 7, 2026 · updated Sep 7 · cpap, medical, backup, sizing

Jackery Explorer 1000 v2 Review (2026): The Spec-Sheet, Minus the Hype

What Jackery's 1070Wh LFP mid-size actually offers per its specs — who it fits, the math on real devices, and where the marketing overreaches.

September 4, 2026 · updated Sep 4 · jackery, reviews, camping, 1000wh

Best Power Station for Home Backup (2026): What Actually Keeps You Running

Hurricane season and grid outages: the honest watt-hour math for fridge, router, lights, and medical devices — and which capacity class covers your home.

September 2, 2026 · updated Sep 2 · home backup, outage, sizing, hurricane

EcoFlow vs Jackery (2026): How to Actually Choose Between Them

EcoFlow and Jackery dominate the portable power market. Here's what genuinely differs — chemistry, charging, expandability — beyond the marketing.

September 1, 2026 · updated Aug 31 · ecoflow, jackery, comparison

What Size Power Station Do I Need? The Honest Sizing Guide

How to size a portable power station from your actual devices: the watt-hour math, inverter losses, and the capacity table nobody shows you.

September 1, 2026 · updated Sep 1 · sizing, beginner, watt hours

Affiliate disclosure: PowerStationMath may earn a commission on purchases made through links on this page, at no extra cost to you. We only link to products we consider worth recommending. Prices and availability are subject to change — check the retailer's current price before buying. Full disclosure.