• Best Portable Power Station for Diesel HeaterA 12V diesel heater averages 25W, so a 768Wh power station runs it for 3.5 nights. The catch is the 120W glow plug. Math for 15 models.
• Best Portable Power Station for Maxxair FanA 12V roof vent fan draws about 20W. A 1,024Wh power station runs it nonstop for 1.9 days, or almost 6 nights. Runtimes for 15 models.
• Best Portable Power Station for RV Air ConditionerA 13,500 BTU RV air conditioner needs about 3,300W to start, which stops 8 of 15 power stations. Expect about 1 hour per 1,000Wh. Three picks.