Alpine Power Bank 30W Fast Charging

[Format] Professional e-commerce product main image, square 1:1, alpine-tech gadget promo set against snowy peaks. [Colors] Icy snow-mountain background (#cfe2f0) with cool blue sky; matte black and pearl white power banks; black-outlined feature pills; white title with a yellow highlighted line; red-orange price figures. No frame border. [Layout] Logo pill top-left; the two-line title spans the top; a column of outlined feature pills runs down the left with a certification chip mid-left; two power banks stand angled right of center showing LED displays; price and claim bars fill the bottom. [Subject] No people. Two slab-style 30W power banks, one matte black and one pearl white, each with a small smart LED display reading 100 and a brand mark on the face, leaning together on a snowy ledge with a crisp alpine peak behind. [Headline] White bold caps: "Huge Capacity, Long Runtime" over "Charge Several Devices at Once" picked out in yellow; black outlined pills: "Low-temp fast-charge tech", "Dual input, triple output", "Huge capacity, long runtime"; a blue-outlined chip: "3C certified - 30W ultra-fast charging". [Badges] Bottom strip: "Carry-on approved - 18-month free replacement"; bottom-left price card: "Event price $129.8"; gold bar: "Free waterproof pouch x1". [Mood] Crisp, powerful and outdoorsy; glacial whites and blues with bold spec-driven typography.