Synergy Digital Wireless Headset Battery, Compatible with Razer OPUS X Wireless Headset, (Li-Pol, 3.7V, 1000mAh) Ultra High Capacity, Replacement for Razer 1ICP5/34/50 1S1P Battery - Walmart.com
I used to love this phone a lot, but lately the battery is terrible and even flashing the firmware to a new start doesnt help, Goodbye Razer : r/razerphone
Razer Phone 2 Review: Incredible sound, decent camera, still the #1 choice for hardcore gamers | Mashable
Battery for Razer Phone 2 by Maxbhi.com
2018 Razer Phone 2 Disassembly Teardown Repair Video - YouTube