The 1420m Ah Battery for ONE X2 is designed as a lower-capacity backup battery for the Insta 360 ONE X2 camera. It provides a slightly lower runtime than the replacement 1630m Ah model & also recharges quicker. Depending on room temperature it charges in about 73 to 80 minutes using the optional Insta 360 Fast Charge Hub for ONE X2. Specifications. Voltage. 3.85V Charging Voltage. 4.4V Battery Capacity. 1420m Ah Rater Power. 5.46 Wh Charging Time. 80minutes Run Time. 73minutes (at room temp) Use Environment. -10°C to 40°C (-14°F to 104°F)