# The Solar Lab > The Solar Lab is an independent site that tests and compares solar gear for US consumers: portable power stations and solar generators, home backup batteries, and off-grid / DIY solar systems for RVs, vans, and cabins. What sets it apart: reviews based on real, extended hands-on testing, free calculators (power station runtime, solar payback), and prices refreshed regularly from official stores. The site is independent, with no brand or installer behind it. Some recommendations include affiliate links, always disclosed, which do not influence the selection or ranking of products. ## Portable Power Stations - [Portable Power Stations](https://the-solar-lab.example/portable-power): The no-nonsense guide to portable power stations and solar generators. Skip the marketing hype and learn the three specs that actually matter. ## Home Backup & Batteries - [Home Backup & Batteries](https://the-solar-lab.example/home-backup): How to choose a home backup battery, from plug-in expandable units to whole-home systems. Sizing, transfer switches, and what actually keeps your essentials running. ## Off-Grid & DIY Solar - [Off-Grid & DIY Solar](https://the-solar-lab.example/off-grid-diy): A plain-English intro to building your own off-grid solar system for an RV, van, or cabin: panels, charge controllers, inverters, and 12V batteries, and how they fit together. ## About - [Home](https://the-solar-lab.example/): The Solar Lab - [About](https://the-solar-lab.example/about) - [Contact](https://the-solar-lab.example/contact)