Appliances › Pumps, Tools & Off-Grid

What size power station runs a power tool charger?

Job-site charging from a portable unit — light and easy.

100 Wrunning watts

—startup surge

50%duty cycle

111 Whfor 2.0 h

Need to run it alongside other things? Add it to the full sizing tool with the rest of your load.

What size you need for 2.0 h

You need about 111 Wh — and 34 units fit. The smallest sufficient is the Goal Zero Yeti 200X; we never push more capacity than your load can use. Surge to clear: 100 W.

The math
Running watts (everything on at once) = 100 W
Surge watts (worst single startup + the rest running) = 100 W
Average draw (cyclic loads counted by their duty cycle) = 50 W
Watt-hours = 50 W × 2.0 h ÷ 90% usable reserve = 111 Wh

Goal Zero Yeti 200Xsmallest that fits

187 Wh 120 W cont · 200 W surge ~3.4 h on this load $$

A pocketable unit for phones, CPAP, and small electronics — premium build, small inverter.

NMC · ~4 h AC; up to 100 W solar · 5 lb

Check price at Goal Zero → Full specs

Jackery Explorer 240 v2step-up

256 Wh 300 W cont · 600 W surge ~4.6 h on this load $

A featherweight entry unit — phones, CPAP, laptops, lights through an evening.

LiFePO4 · ~1.5 h AC; up to 100 W solar · 8 lb

Check price at Jackery → Full specs

EcoFlow RIVER 2

256 Wh 300 W cont · 600 W surge ~4.6 h on this load $

Fastest-charging tiny unit; X-Boost stretches it to bigger resistive devices briefly.

LiFePO4 · ~1 h AC; X-Boost runs up to 600 W resistive · 8 lb

Check price at EcoFlow → Full specs

Bluetti EB3A

268 Wh 600 W cont · 1,200 W surge ~4.8 h on this load $

Punches above its size — a 600 W inverter in a tiny 268 Wh body for surgey small loads.

LiFePO4 · ~30 min to 80% AC; up to 200 W solar · 10 lb

Check price at Bluetti → Full specs

Anker SOLIX C300

288 Wh 300 W cont · 600 W surge ~5.2 h on this load $

A compact LiFePO4 unit for CPAP and electronics with a long cycle life.

LiFePO4 · ~1.8 h AC; up to 300 W solar · 9 lb

Check price at Anker SOLIX → Full specs

Jackery Explorer 300 Plus

288 Wh 300 W cont · 600 W surge ~5.2 h on this load $

Compact LiFePO4 unit for small electronics and overnight CPAP.

LiFePO4 · ~2 h AC; up to 200 W solar · 8 lb

Check price at Jackery → Full specs

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Can a specific unit run a power tool charger?

34 of the units we track deliver enough watts to run a power tool charger. Check a specific one for the runtime and the full verdict:

Goal Zero Yeti 200X

187 Wh · 120 W cont

runs it

Jackery Explorer 240 v2

Jackery Explorer 300 Plus

677 Wh · 1,000 W cont

Common questions

What size power station do I need to run a power tool charger?

A power tool charger draws about 100 W running (a resistive load, so no real startup surge). So you want a unit with at least 100 W continuous output. For 2.0 h of runtime that's roughly 111 Wh of capacity — the Goal Zero Yeti 200X is the smallest unit that clears all of it.

How many watts does a power tool charger use?

About 100 W while running. It only draws power about 50% of the time, so over an outage its energy use is well below 100 W × the hours — which is why a modest battery lasts longer than you'd expect.

Sources: Power Tool Charger wattage — Standard appliance-wattage / generator-sizing charts (representative values; verify your nameplate); station specs — manufacturer published specifications (compiled 2026-06-15; approximate). Informational only — a computed sizing estimate from published appliance-wattage charts and manufacturer station specs. It is not an electrical guarantee. For hardwired or whole-home backup, transfer switches, or any permanent install, consult a licensed electrician.