• Best Portable Power Station for Air CompressorA 6-gallon pancake compressor needs about 3,000W to start. That stops 6 of 15 power stations and leaves 2 at their limit. Runtimes and three picks.
• Best Portable Power Station for Charging Tool BatteriesA cordless tool charger pulls about 200W, so all 15 power stations can run one. Packs per charge, from 1 to 31, and four picks by weight.
• Best Portable Power Station for Circular SawA 15-amp circular saw needs about 1,400W to run and 2,300W to start. Only 10 of 15 power stations can do it. Cuts per charge and three picks.