Based on this product's specifications, here are some alternatives and similar models
Portable gasoline power generator STANLEY SG3100 — 2600 W rated, 3100 W max, OHV 1‑cylinder 212 cm³, 15 L fuel tank, 230 V sockets
Summary description:
Portable STANLEY SG3100 gasoline generator provides 2600 W rated (3100 W peak) output from a 1‑cylinder, 4‑stroke OHV petrol engine (212 cm³). It features two 230 V sockets, voltmeter, IP23M protection, 15 L fuel tank, 0.6 L oil capacity, manual recoil start and castor wheels for mobility. Fuel consumption about 1.8 L/h, noise level 96 dB. Suitable for site work, outdoor events and backup power.