3V~24V 3A 72W Universal Power Supply 3V 5V 6V 9V 12V 15V 18V 20V 24V Adjustable Variable Switching AC/DC Adapter 100V-240V AC to DC Converter with 14 Tips & Polarity Converter & Test Lead 3 Prong

Adjustable Power SupplyInput: AC 100~240V 50/60Hz;
Output: DC 3~24V Adjustable Max 3A 72W; It can supply with any voltage between 3~24V such as 3V 4V 4.5V 5V 6V 9V 12V 16V 19V 21V 24V etc and any amp less than 3A such as such as 300mA 500mA 1A 1.5A 2A 2.5A 3A. LED display will show the output voltage if the current drawn exceeds 3A the power supply will be damaged soon. Never overload! Upgraded Version Power Supply1. The knob can be adjusted more evenly. 2. Increase the off gear to turn off the power without pulling the plug. 3. Add a polarity converter cable and test lead which make it compatible with more devices doubles its range of application. 4. Built-in multiple safety protection systems. Automatic over voltage cut-off over current cut-off over temperature cut-off short circuit cut-off. No noise no spontaneous combustion no explosion no fire hazard safe to use. Universal AC AdapterIt comes with an original 5.5 x 2.5 mm tip and 14pcs frequently used tips: 6.5 x 4.4 mm+Pin 5.5 x 2.1 mm 5.5 x 3.0 mm+Pin 5.0 x 2.5 mm 6.3 x 3.0 mm 5.5 x 1.7 mm 4.8 x 1.7 mm 4.0 x 1.7 mm 3.5 x 1.35 mm 3.0 x 1.1 mm 2.5 x 0.7 mm Micro-USB Type-C and DC terminal connector. Can be applied to almost all commonly used electronic devices. You can screw wires onto it easily perfect for DIY projects. 6ft long power cable makes it convenient to use. 72W DC Power SupplyThe 72W all-in-one multipurpose AC/DC adapter fit for many 3~24V small household electronics such as LED strips 3D printer TV Box smart speaks wireless routers essential oil diffuser humidifier USB fan Wifi camera USB Hub hard disk box DC motor DC pump digital photo frame DVR NVR surveillance system etc. For indoor use only. (Check dc jack before buy: 5.5 x 2.5 mm compatible 5.5 x 2.1 mm)Worry-Free ShoppingPackage includes 1 x 3~24V 72W universal ac/dc adapter 14 x DC tips 1 x reverse polarity converter 1x alligator clip test lead 1x male DC power pigtail cable. We focus on producing premium quality and safety power adapters. If there is any issue please feel free to contact us. We have 30 days money back guarantee 24 months exchange. *This product is an AC to DC adapter NOT charger!!! It cant be used to charge electronic devices with batteries such as laptops. Please choose correct voltage before plug it to your device. Wrong voltage may damage your device. We recommend to use less than 80% of the full load.