Xtorm Xtreme Power 2 Smart 300W Runtime Calculator

Use this source-linked record to estimate runtime from tracked capacity, output, charging, and weight fields. Unknown specs stay unknown until an official or manufacturer-grade source confirms them.

Quick answer: the Xtorm Xtreme Power 2 Smart 300W stores 204 Wh and delivers up to 300 W of continuous AC power. Under this site's planning assumptions (85% inverter efficiency, 10% reserve), a steady 100 W AC load runs for roughly 1.6 hours. Last source check: 2026-08-27. This is an estimate, not a guarantee.

Capacity204 Wh
AC output300 W
Surge500 W
ChemistryLiFePO4
ConfidenceEstimated
Source regionregional
Checked2026-08-27
Swipe table sideways
Key specifications for Xtorm Xtreme Power 2 Smart 300W.
Battery capacity204 Wh
Battery chemistryLiFePO4
AC output300 W
Surge output500 W
DC output100 W
USB-C output65 W
Solar inputunknown
Weight3.65 kg
ConfidenceEstimated
Lifecycle statusUnknown
Source regionregional
Last verified2026-08-27
Xtorm quotes no maximum solar input for the 300W model, so solar input stays unknown even though the unit accepts Xtorm panels through a DC7909 to MC4 adapter. Xtorm is a Netherlands-based brand and publishes these figures on its European xtorm.eu storefront, so the AC ratings describe the 230V EU-market SKU rather than a 120V variant.
Regional source note: Some specs are cross-checked against official regional pages (xtorm.eu: Xtorm official Smart Power Station 300W product page). Regional SKUs can differ; verify the manufacturer page for your market before purchase or emergency planning.

Runtime Starting Points

These are formula estimates using the tracked capacity, a 10% reserve, and each scenario's default wattage and duty cycle. They are planning starters, not measured runtimes.

Swipe table sideways
Runtime starting-point estimates for Xtorm Xtreme Power 2 Smart 300W.
ScenarioDefault loadEstimateScenario confidenceStation page
Full-size refrigerator500 W at 33%above tracked AC outputEstimatedUse calculator
CPAP without heated humidifier40 W at 100%3h 54mEstimatedUse calculator
Starlink Mini32 W at 100%5h 10mEstimatedUse calculator
Wi-Fi router12 W at 100%13h 28mEstimatedUse calculator
LED TV100 W at 100%1h 34mEstimatedUse calculator

Calculator for this station

Adjust watts, duty cycle, reserve, output path, and startup surge with Xtorm Xtreme Power 2 Smart 300W prefilled from the source-linked specs above.

Loading calculatorPreparing calculator
Power station model
Battery capacity (Wh): 204 WhContinuous output rating (W): 300 WSurge output rating (W): 500 W
Xtorm Xtreme Power 2 Smart 300W
Estimated runtime2h 36m1h 38m – 3h 14mEstimated runtime: 2h 36m, 1h 38m – 3h 14m
Output path

Estimated runtime

2h 36mEstimated runtime: 2h 36m

This setup is tight. Reduce load, use DC where possible, or choose a larger station.

Conservative1h 38m
Estimated2h 36m
Optimistic3h 14m

Conservative assumes harder conditions; optimistic assumes favorable conditions.

  • This is an estimate. Real runtime changes with load, temperature, battery age, AC/DC output, and device behavior.

Show your work

Rated Wh is reduced by efficiency, reserve, battery health, and temperature before it is divided by average load.

Rated battery
204 Wh
Usable energy
156 Wh
204 Wh x 85% x 90% x 100% x 100%
Running watts
60 W
Average load
60 W
Max surge
n/a
Fixed station overhead
Unknown (not included)
60 W / 85% = 70.6 W battery draw; fixed overhead is unknown and excluded
Estimated runtime
2h 36m
156 Wh / 60 W = 2h 36m
Output path
AC inverter
Efficiency (%)
85
Reserve kept unused (%)
10
Battery health (%)
100
Cold weather loss (%)
0

This link contains the numeric values you entered, but not custom load names.

Source-Backed Next Steps

Good fit when

  • Capacity is a compact class; use it for small electronics and short essentials rather than high-wattage appliances.
  • Tracked AC output is 300 W, so high-draw appliances and tools need careful filtering.
  • USB-C output is tracked at laptop-class power, useful for direct DC charging when the device supports it.

Watch out for

  • Surge output is tracked, but device startup behavior should still be checked against the actual load.
  • Still unknown in the source-backed record: solar input.
  • Confidence is not marked verified; keep the linked source context visible before making a purchase or emergency plan.

Related Xtorm Records

Nearby source-linked models from the same brand help you compare capacity, output, and unknown fields without leaving the data set.

Sources