The 5180mAh battery of the S51 is optimized for up to 48 hours of active phone use. In standby mode, it can last up to 15 days and 24 hours if you spend more time on phone calls.

With a screen of only 6.0 inches, the S51 is not only portable but can be used with one hand. The anti-glare screen features include a resolution of 720*1440 and can reach a maximum brightness of 500 nits. There is a layer of Corning Gorilla Glass for protection against scratches and drops.

The MediaTek Helio G25, with the advantages of HyperEngine technology, provides smooth performance, improved power efficiency, and reliable low-latency connections.

With 4 GB LPDDR4X RAM, all high-performance applications will be handled without any problem. The memory is configured to keep you one step ahead of your opponents. The storage space on the S51 starts from 64 GB but can be expanded up to 512 GB using a TF card.

The IP68 and IP69K ratings of the Doogee S51 mean that it is protected from water and dust ingress. It is also waterproof and can withstand full immersion in water. Its rugged construction means it can withstand drops from a height of 1.5 m onto concrete.