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
New Original RC30-0259 4000mAh Battery For RAZER Phone 2 RC30-0259 1ICP4/69/81 | eBay
New RC30-0259 3.85v 4000mAh Battery For RAZER Phone 2 RC30-0259 1ICP4/69/81 753512060399 | eBay