Synergy Digital Wifi Hotspot Battery, Works with TP-Link M7350 Ver 5 Wifi Hotspot, (Li-Ion, 3.7V, 2000 mAh) Ultra High Capacity, Compatible with TP- Link TBL-71A2000 Battery - Walmart.com
Tp-Link M7350 M7350 Ver 2 TL-TR961 Replacement Battery: BatteryClerk.com