• Best Portable Power Station for AquariumA 55-gallon tank's filter and heater average 80W. A 1,000Wh power station runs both for 10.9 hours, or the filter alone for 43.5.
• Best Portable Power Station for Gas FurnaceA gas furnace blower pulls about 600W. A 2,000Wh power station covers about 7.3 hours of a cold day. Sizing math, safe hookup, and four picks.
• Best Portable Power Station for Space HeaterA 1,500W space heater drains a 1,000Wh power station in about 36 minutes. Here is the honest math, three units that can run one, and better options.
• Best Portable Power Station for Sump PumpA 1/3 HP sump pump needs about 1,800W to start, which rules out 5 of 15 power stations. Here is the runtime math and the three worth buying.
• Best Portable Power Station for Well PumpMost well pumps need 240V, and only 2 of 15 power stations supply it. Each holds under 2 days of water. The math, the hookup, and both picks.
• Best Portable Power Station for WiFi Router and ModemA router and modem use about 20W together, so a 288Wh power station lists about 12 hours. Here are the four that fit, compared on switchover speed.
• Best Portable Power Station for Window Air ConditionerA 5,000 BTU window AC averages about 315W on a hot day, so a 2,000Wh power station runs it for about 5.5 hours. The honest math and four picks.