1Battery Specifications: Provides 2pcs 1800mAh lithium batteries, supporting up to 160 minutes of battery life, suitable for Osmo Action 4 and for Osmo Action 3 cameras, suitable for travel and other outdoor activities. 2Quick Charger: The 3 slots charging station can charge 3 batteries using USB C devices (such as laptop, car charger, wall charger, and power bank), and the LED screen displays the charging status of the batteries. 3Secure and Reliable: This battery charger has overcharging, over discharging, short circuit, surge, overvoltage, and overcurrent guard, and has passed CE, FCC, and RoHS certifications to ensure accurate and reliable use. 4Multiple Guards: Integrated intelligent control chip helps you use action camera more safely. Built in multiple guard to prevent battery damage, ensure circuit security and stability, and provide high performance. 5Smart LED Indicator: This camera battery charger is equipped with LED indicator light. When the indicator light turns green, it indicates that the battery is fully charged, making it easy for you to know the charging status. Item Type: Camera Battery and Charger Replacement Battery: Applicable Model: For Osmo Action 4, for Osmo Action 3 Maximum Charging Voltage: 4.4V Battery Type: 2 x 1800mAh Lithium Battery (pure battery) 3 Slots Quick Charger: Compatible Model: For Osmo Action 4, for Osmo Action 3 Input: Type C 5V 2A Output: 4.4V 0.7A x 3 2 x ReplacementBattery 1 x BatteryCharger 1 x Type C Power Cable 1 x User Manual