Battery Type: Li-ion Polymer battery Capacity: 900mAh Nominal Voltage: 3.7V Pack Dimension: 6.0 x 30.5 x 50.0mm Weight: 15g Working Temperature: Less than 60℃(140℉) Compatible Models: SteelSeries Arctis 9X Wireless Headset Compatible Battery Part No.: FT603048P Cautions: 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℉).