[UK] I bought a microsoft surface laptop 5 off ebay - is it a scam?

A user purchased a Microsoft Surface Laptop 5 with an i5 processor, 8GB RAM, 256GB storage, and no charger for £156.70 on eBay. The seller has 61 positive reviews and previously sold a similar model with an i7 processor, 16GB RAM, and a charger for £361. The user is seeking advice to determine if the purchase is a scam.