Perhaps a bit large to be truly convenient, but good value and will get your phone, or other equipment back to life in a stitch.
400W is impressive, and in full sun this very large panel can achieve it. Worth considering if you don't need anything especially resilient or convenient.
The Jackery SolarSaga 100W Monocrystalline Solar Panel is durable and if the sun is strong it's an ideal way of creating off-grid, clean, renewable power
