EXTENDED BATTERY LIFE - Enjoy longer shooting sessions with the 1100mAh capacity, ensuring your GoPro stays powered during critical moments, so you never miss a shot. BROAD COMPATIBILITY - Seamlessly works with GoPro HD Helmet Hero, HD Hero 2, and more, offering a versatile power solution for various GoPro action camera models for great usability. RELIABLE POWER - Delivers a stable 3.7V output, ensuring consistent performance and reliable power to your GoPro, maintaining optimal functionality during any activity. LIGHTWEIGHT DESIGN - Weighing only 0.8 oz, this battery adds minimal weight to your setup, making it perfect for on-the-go adventures without compromising portability.