The Bluetti Handsfree 1 backpack offers 42 liters of capacity and a compact 300W/268Wh power system; Ideal for one or two day trips. For longer adventures, the Handsfree 2 backpack has a 60-liter capacity and a powerful 700W/512Wh power supply that supports trips of approximately 3-5 days.
Both models are equipped with a variety of compartments and ports, including one AC, two USB-C and two USB-A, easily accessible from the side compartment.
The backpacks are currently on sale at a special price until November 15: the Handsfree 1 costs $299 ($499 with solar panel) and the Handsfree 2 costs $399 ($599 with solar panel).
Source: Ferra

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