Portable power & off-grid solar,
sized by data.

How long will a station run your CPAP? What size solar generator do you need for a 30 amp RV? Get estimates from sourced power figures — and the scenarios that put them to work.

⚡ Runtime Calculator ☀ Solar Size Calculator
Quick lookups: CPAP (53W) 12V Fridge (104W) Starlink Mini (25W) Home Backup 30A RV
Data updated 2026-08-09 · v0.2.0 All pages live · data calibrated v0.2.0 (2026-08-09)
Off-grid campervan and portable solar generator campsite at sunset
Empirical Sizing Benchmarks

Real Gear. Real Conditions. Sized by Data.

From high-surge RV rooftop air conditioners to quiet overnight CPAP power, stop guessing battery watt-hours. We model continuous discharge, temperature de-rating, and real inverter efficiency.

Test Your Devices → Our Lab Methodology

Flagship tools

Free, interactive, sourced from device official labels.
Tool Live

Power Station Runtime Calculator

Estimate runtimes from station capacity & device wattage — or reverse-calculate the capacity you need.

/tools/runtime-calculator
 Tool + Content Live

Solar Generator Size Calculator

Size battery, inverter peak and solar array from your daily appliance list.

/tools/solar-generator-size-calculator

Scenarios

Real-use guidance with official-label power data.
Scenario Live

CPAP Camping

Keep your CPAP powered off-grid — safely. Evergreen demand, year-round guide.

/scenarios/cpap-camping
 Scenario Live

30A RV Sizing

Solar generator sizing for a 30 amp RV. Peak demand in the summer camping season.

/scenarios/rv-30-amp
 Scenario Live

Home Backup

Essential loads during an outage. Demand spikes with storm & hurricane seasons.

/scenarios/home-backup
 Scenario Live

Refrigerator

How long will a station run a 12V compressor fridge? Summer-peak appliance long-tail.

/scenarios/refrigerator
 Scenario Live

Air Conditioner

High-power loads & surge matching, calibrated to Dometic 13.5K BTU class specs.

/scenarios/air-conditioner

Brand comparisons

Spec & price tables with a discrepancy table that shows our source and conclusion. Live — data calibrated v0.2.0 against official product pages

Fridge runtime @ 104W — side by side

How long each station runs a rated 12V compressor fridge · usable capacity 0.85 × rated Wh · official-label power figures
Bluetti AC180
Bluetti AC180 9.4 h · $499
Jackery Explorer 1000 v2
Jackery Explorer 1000 v2 8.7 h · $559
Anker SOLIX C1000
Anker SOLIX C1000 8.6 h · $449.99
EcoFlow DELTA 3
EcoFlow DELTA 3 8.4 h · $629
Open brand comparison →
Compare

Jackery vs Bluetti

Capacity, inverter, price & use-case verdict.

/compare/jackery-vs-bluetti
 Compare

Bluetti vs EcoFlow

Two heavyweights head to head.

/compare/bluetti-vs-ecoflow
 Compare

EcoFlow vs Bluetti vs Jackery

The three-way spec shootout.

/compare/ecoflow-vs-bluetti-vs-jackery
 Compare

Jackery vs EcoFlow

Which one for your setup?

/compare/jackery-vs-ecoflow

Data quality you can audit

Every figure points to an official source and a version.
Data card

Appliance power library

Official-label wattages, versioned & reversible (Config as Code).

Data card

Brand spec / price library

Config as Code — monthly price spot-check, quarterly spec audit.

Transparency

Discrepancy table

Conflicting SERP claims → official source → our conclusion.

Core power figures calibrated against device official labels; station specs/prices calibrated against brand official pages (v0.2.0, 2026-08-09) — generic appliances remain marked illustrative. Seasonality follows five-year Google Trends: CPAP evergreen, camping/appliance summer peak (Apr–Jun), home-backup dual disaster peaks (Jun–Sep + Dec–Jan).

Frequently asked questions

How long will a portable power station run my devices?

Use the Runtime Calculator: runtime ≈ capacity × 0.85 composite usable factor ÷ device watts. A 1,152 Wh station runs a 53 W CPAP about 18.5 hours, or a 104 W rated 12V compressor fridge about 9.4 hours (days on its ~13 W official average).

What size solar generator do I need?

It depends on your daily load. The Solar Generator Size Calculator turns your appliance list into battery capacity, inverter peak, solar array size and charge time — no guesswork.

Where does the data come from?

Core power figures are calibrated against device official labels; station specs and prices are calibrated against brand official pages (v0.2.0, 2026-08-09). Generic appliances remain marked illustrative. Versioned and audit-tracked via changelog.