Wall outlet (Input Limit on High): 1.1 hrs. (Yeti 1000), 1.1 hrs. (Yeti 1500).
Goal Zero solar panels: Varies by panel size and sunlight; a 200W panel will recharge a Yeti 1000 in 6–12 hrs and a Yeti 1500 in 9-18 hrs. while a 400W panel will recharge a Yeti 1000 in 3–6 hrs. and a Yeti 1500 in 4-8 hrs.
Car 12V port: 9.3 hrs. for the Yeti 1000 and 13.6 hrs. for the Yeti 1500, depending on vehicle output.