Synergy Digital Wireless Router Batteries, Compatible with TP-Link M5350 Wireless Router, (Li-Ion, 3.7V, 2000 mAh), Combo-Pack Includes: 3 x SDWR-L1521 Batteries

Products from the USA may come with an input voltage of 110V–120V, requiring a step-down transformer. Check the device wattage to select the correct power converter.