Ulefone RugKing 4G, 16GB 256GB, Unisoc T7255, 9600mAh, 18W, Black

A 9 600 mAh battery, 126 dB rear speaker and triple IP68 / IP69K + MIL-STD-810H protection make this rugged rugged companion a reliable companion where dust, water or drops are the norm.

Extra-long runtime and versatile charging

Offers up to 522 h standby and 52 h talk time. Replenishes at 18W via USB-C and supports 5W reverse charging and 10W magnetic dock, useful for torches or external meters.

The most powerful speaker in the industry

Its 36mm driver and 11.5cc cavity delivers 126dB without distortion thanks to the Smart PA amplifier - perfect for audible alerts in noisy environments.

Robust performance and large memory

The Unisoc T7255 octa-core runs pure Android 15 with 8GB LPDDR4X and virtual expansion to 16GB. The 256GB UFS 2.2 is expandable up to 2TB via microSD, ensuring smooth GIS, inventory or 1080p video.

Readable display and practical optics

The 5.99″ HD+ (910 nits) IPS panel prioritises visibility in bright sunlight and lower power consumption. The 50 MP Samsung JN1 camera documents work with sharpness; add 2 MP macro, 8 MP front and underwater mode down to 2 m.

Connectivity and field security

Global 4G dual SIM, NFC with Google Pay, Wi-Fi ac, Bluetooth 5.0 and GPS/GLONASS/Galileo/BeiDou facilitate payments and navigation. The side fingerprint reader and configurable button work with gloves.

Our expert's opinion

Compared to the Doogee S41 Pro (6 000 mAh, Android 14) or the Oukitel WP23 (8 100 mAh, standard speaker), the RugKing stands out for its superior battery life, the most powerful speaker in the segment and Android 15 without bloatware. The HD+ screen and 18W charging may not be enough for some, but its combination of military ruggedness, 126dB audio and expandable memory offers a price/performance ratio that's hard to match for construction, logistics or adventure professionals who put durability and sound power first.