Grant Mercer

Grant Mercer is the founding editor of Power Backup Lab. He leads the site's research process and editorial standards across backup power, portable power stations, home battery systems, and outage preparedness. The Power Backup Lab approach does not rely on marketing claims. Every recommendation is built from three sources: official manufacturer specifications, independent lab and field testing published by trusted third parties, and verified feedback from real owners who live with these products day to day. The goal is simple and practical guidance, with no hype, so readers can choose the right backup power setup for their home and budget.

Can You Run a Portable Generator in the Rain? (Safety Guide)

July 16, 2026July 10, 2026 by Grant Mercer

Running a generator unprotected in the rain risks electrocution and damage. Here is how to do it safely with covers, canopies and smart placement.

EcoFlow vs Bluetti vs Jackery: Which Portable Power Station Brand Is Best in 2026?

September 5, 2026July 10, 2026 by Grant Mercer

The three biggest power station brands compared head to head: battery life, charging speed, ecosystems and clear verdicts for every type of buyer.

How to Safely Store Generator Fuel at Home (Gas, Propane, Diesel)

July 16, 2026July 10, 2026 by Grant Mercer

How much fuel to store for an outage, which containers are safe, where to keep it, and how long gasoline, propane and diesel actually last.

Best Backup Power Options for Medical Devices (CPAP, Oxygen, Insulin)

July 16, 2026July 9, 2026 by Grant Mercer

How to keep a CPAP, oxygen concentrator, or refrigerated insulin running through a power outage: real wattage numbers, battery sizing, and a three-layer backup plan for every budget.