20W USB-C Charger. Fast charging for any USB-C device, smartphone, and tablet. Built-in UK Wall Plug and Singapore Safety Mark Certified (220063-21). UK plug and Singapore safety mark certificate number 220063-21. Protect Your Charger & Devices. Keep your devices safe with industry-leading over-current, over-voltage, overheating, and short-circuit protection. Highly Efficient and Stays Cool. Lab-tested, industry-leading 95% power efficiency and low-temperature operation (60ºC exterior).