calculating how long a battery will last

Introducing the PowerPro X2000, the most advanced and efficient battery pack on the market! With its cutting-edge technology and high-capacity lithium-ion cells, the PowerPro X2000 is designed to keep your devices powered for longer periods of time. Whether you're a frequent traveler, outdoor enthusiast, or just someone who relies on their devices throughout the day, the PowerPro X2000 is the perfect solution to ensure you stay connected without worrying about running out of battery. With its impressive 20,000 mAh capacity, the PowerPro X2000 can provide multiple full charges to your smartphone, tablet, or other USB-powered devices. Plus, its intelligent charging technology ensures faster and safer charging, while its sleek and compact design makes it easy to carry with you wherever you go. Say goodbye to low battery anxiety and hello to endless power with the PowerPro X2000. Experience the convenience and reliability of long-lasting battery life, and never miss an important call or moment again.