Based on this product's specifications, here are some alternatives and similar models
Solar panel Anker SOLIX PS400 400W monocrystalline silicon, ground-mount, IP67, 48V, 23% efficiency
Summary description:
Anker SOLIX PS400 is a 400 W monocrystalline silicon solar panel designed for ground-mount installation. Rated at 48 V with 23% cell efficiency, it features adjustable tilt (30–80°), stackable design and IP67 water resistance for reliable outdoor use. Compact folded size and 15.9 kg weight make transport and installation straightforward for off-grid, backup power or residential systems.