Battery Type: Li-ion Polymer battery Capacity: 1800mAh Nominal Voltage: 3.7V Pack Dimension: 51.00 x 34.50 x 9.5mm Weight: 25g Working Temperature: Less than 60℃(140℉) Compatible Models: Sony Playstation 5 PULSE 3D Wireless Headset Wireless Headset Models: CFI-ZWD1Cautions: 1. DO NOT ATTEMPT OPEN, DISASSEMBLE THE BATTERY. 2. DO NOT CRUSH, PUNCTURE OR DISPOSE OF IN FIRE OR WATER. 3. DO NOT EXPOSE TO ABOVE 60℃(140℉).