Technical Editor
David Chen
David handles deep technical content at The Power Pick — battery chemistry, inverter design, charge controllers, and the engineering nuances that separate quality products from cut-rate ones. He spent eight years as a power electronics engineer at two Tier-1 automotive suppliers before moving into technical writing. David reviews every spec sheet that appears on the site.
M.S. Electrical Engineering, 8 years in automotive power electronics
Articles by David
buying-guides
Home Battery vs. Generator vs. Power Station: Total Cost of Ownership (2026)
Whole-home batteries, gas and inverter generators, and portable power stations all promise to keep your lights on. But sticker price is a lie. Here's the real 5-year total cost of ownership for each, with fuel, maintenance, lifespan, and tier-by-tier product picks.
Jun 1, 2026
guides
Summer Study Sessions: Outdoor Learning Spaces with Reliable Power
Studying for summer exams outside or running an outdoor study group? Here's how to size laptop power and a WiFi backup so a dead battery never ends your session.
May 27, 2026
guides
Wildflower & Flower Festival Season: Portable Power for Photography & Events
Wildflower season means long days shooting in remote fields with no outlets. Here's how to size the right power station and power bank to keep cameras, drones, and laptops running from sunrise super blooms to golden hour.
May 20, 2026
guides
Solar Panel Maintenance 101: Spring Cleaning for Maximum Summer Output
A technical, step-by-step spring maintenance routine for portable solar panels. Learn exactly how dust, pollen, and connector corrosion rob you of output, and how to recover it before summer peak season.
May 12, 2026
guides
Mother's Day Recovery: Spring Home Refresh with Battery Backup for Tools
An engineer's guide to running cordless tool chargers, paint sprayers, and corded gear off a portable power station for your spring home refresh. Real power draws, runtime math, and which unit to buy.
May 3, 2026
guides
Spring Garden & Yard Power Tools: Battery vs. Portable Power Station
Should you buy a fleet of battery yard tools or run them off a portable power station? An engineer breaks down power draw, runtime, and the smartest setup for spring yard work.
Apr 29, 2026
guides
Power Station vs. Whole-Home Battery: Which Backup Strategy Wins for Your House?
Tesla Powerwall and similar whole-home batteries cost 10-20x what a portable power station costs. Here's exactly when each approach makes sense, plus the hybrid strategy that gets most of the benefits at a fraction of the price.
Apr 23, 2026
guides
Bluetooth and WiFi in Power Stations: Which App Features Actually Matter?
Most power stations now ship with companion apps. Some features are genuinely useful, others are pointless. Here's a technical breakdown of which connectivity features earn their keep — and which ones are pure marketing.
Apr 18, 2026
guides
What 'IP65' Actually Means for Your Power Station and Solar Panels
IP54, IP65, IP67 — the ingress protection ratings on portable power gear are easy to misread. Here's exactly what each rating means, what it doesn't promise, and which one you actually need.
Apr 16, 2026
buying-guides
Best Power Banks for the iPhone Air and Latest Phones in 2026
The iPhone Air and other 2026 flagships charge faster than ever — but only with the right power bank. We tested 12 portable chargers to find the ones that actually deliver their rated speeds.
Apr 10, 2026
guides
Inside the Inverter: How Your Power Station Converts DC to AC (Pure Sine Wave Explained)
Pure sine wave, modified sine wave, total harmonic distortion — what do these inverter specs actually mean, and which ones matter when you're buying a power station? A technical editor's deep dive.
Apr 6, 2026
guides
How Lithium Batteries Work: The Science Behind Your Power Station
Understand the chemistry inside your portable power station. We explain how lithium-ion and LiFePO4 batteries store and release energy, why they degrade, and what affects their lifespan — in plain English.
Apr 4, 2026
guides
How Solar Panels Work: A Beginner's Guide to Portable Solar Power
Learn how solar panels convert sunlight to electricity, what affects their efficiency, how to pair them with power stations, and how to maximize solar charging in real-world conditions.
Apr 2, 2026
guides
Watts, Volts, Amps, and Watt-Hours Explained: The Complete Guide to Electrical Units
Confused by watts, volts, amps, and watt-hours? This plain-English guide explains every electrical unit you need to understand when buying a power station, solar panel, or generator.
Apr 1, 2026
buying-guides
Solid-State vs LiFePO4 Batteries: Which Power Station Battery Tech Is Better?
Solid-state batteries promise lighter weight and higher energy density, but LiFePO4 delivers proven longevity and lower cost. We break down the real differences for portable power station buyers.
Feb 28, 2026
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State of Portable Power 2026: Industry Trends, New Tech, and What's Coming
A comprehensive look at the portable power industry in 2026: LiFePO4 dominance, solid-state batteries, falling prices, solar efficiency gains, and the brands reshaping the market.
Feb 20, 2026
guides
Portable Power Station Safety: Everything You Need to Know
Are portable power stations safe? Yes — but there are important rules to follow. This guide covers battery chemistry, BMS protection, charging precautions, certifications, storage, and airline restrictions.
Feb 20, 2026
guides
How to Make Your Power Station Last: 7 Maintenance Tips
Practical maintenance tips to extend your portable power station's lifespan. Learn the best storage charge level, temperature guidelines, BMS calibration, and the difference between LFP and NMC battery longevity.
Feb 20, 2026
guides
Solar Panel Compatibility Guide: Which Panels Work With Which Power Stations?
Not every solar panel works with every power station. This guide breaks down connectors, voltage matching, brand compatibility, and adapters so you can pair the right panel with your station.
Feb 20, 2026
guides
LiFePO4 vs Li-NMC Batteries: Why It Matters for Power Stations
LiFePO4 or Li-NMC? Understanding battery chemistry helps you choose a power station that lasts. Here's what the specs actually mean for you.
Feb 18, 2026