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Meet the Test Desk

The People Behind
Every Verdict.

Our reviews aren't written by an anonymous byline. They're tested, pressure-checked, and written by a small team that actually runs the hardware — then stakes their name on the result.

Behind our founder is a small Test Desk spread across California — each with a different specialty, a different basecamp, and a different reason they got hooked on backup power. They test every unit, argue over the verdict, and only publish what holds up. Here are the three people who do most of that work.

Wenny Zheng

Wenny Zheng

Portable Power Tester

Mill Valley, CA · Marin

Specialty

Ultra-portable & outdoor adventure power stations (under 30 lbs)

Portable TestingEditorial ReviewWriter

A corporate litigator for seven years in San Francisco, Wenny drafted her resignation letter off her very first power station — a little orange Jackery Explorer 240 — parked at the Bootjack Trailhead on Mount Tamalpais. She now tests portable gear for Station Arena and lives out of a lifted, all-terrain Subaru Outback.

Her legal training makes her relentless about the fine print: she's quick to flag chargers whose USB-C ports won't negotiate full speed with her Sony a7S III. Her signature test is the Dipsea Trail carry — hauling each unit up the trail's steep steps to see if the handle bites into a sweaty palm.

Ian Schneider

Ian Schneider

Solar & Off-Grid Tester

Truckee, CA · Lake Tahoe

Specialty

Solar generators & off-grid living systems

Solar TestingEditorial ReviewWriter

Ian spent nearly a decade on experimental rocket planes and avionics at the Mojave Air and Space Port before moving to Truckee, where he lives in a self-built cabin that runs entirely on his own solar setups.

His obsession started in 2014 with a lead-acid Goal Zero Yeti 400 that shed half its capacity on sub-freezing Tahoe mornings — so now he studies how lithium handles the cold. He clocks how fast charge controllers react to pine shadows with a Fluke multimeter and data loggers, and leaves units on his 15°F deck overnight to see if their heaters can safely warm the cells before a solar charge.

Gunner Gustafson

Gunner Gustafson

Whole-Home Backup Tester

Boulder Creek, CA · Santa Cruz Mountains

Specialty

Whole-home backup & heavy-duty emergency power (100+ lbs)

Home BackupEditorial ReviewWriter

A retired Cal Fire wildland firefighter, Gunner lives in a redwood canyon in Boulder Creek where storms routinely take out the grid. He runs emergency radio for his mountain neighborhood off a Yaesu FT-991A and a wire antenna strung seventy feet up between two redwoods.

He wheeled his first backup battery — a 116-lb Goal Zero Yeti 1250 — down his driveway during the CZU Lightning Complex fires, and has chased better home backup ever since. He wires our heaviest units into his house through a Reliance transfer switch, checks whether they can start his deep-well water pump, and puts an oscilloscope on the line to confirm the switchover is fast enough to keep his Starlink and desktop alive.

One team, three jobs

The same people test, review, and write — which is the whole point. Nothing gets handed to a writer who never touched the unit.

They test

Every unit is run through real-world capacity, surge, thermal, and charge-speed testing before it earns a spot in our rankings — the numbers behind the Power Score.

They review

Draft comparisons and verdicts get read by the people who ran the tests, so every recommendation is checked against what the hardware actually did.

They write

The same testers write the guides and head-to-heads, which keeps the writing grounded in first-hand experience instead of spec-sheet guesswork.

See how the testing works

Every score on this site comes from the same methodology. Read exactly how we test — or jump straight into a side-by-side comparison.