Extend your power capacity with the OUPES Extra Battery, the perfect extra battery for your power station. Designed for seamless expansion, this high-capacity battery increases your energy storage, ensuring longer runtimes and uninterrupted power for home backup, outdoor adventures, or emergencies. OUPES Extra Battery is built for reliability and efficiency, providing a powerful boost to your portable power station. With fast recharging, durable construction, and a compact design, you’ll always have the extra energy you need—whenever and wherever you need it.