You're on a cross-country train, engrossed in your laptop. Suddenly, it blinks - low battery. Enter Portronics Ampbox 27K, a 4-in-1 powerhouse. Its 65W max output, 2 USB-A, and 2 Type-C PD ports charge your laptop, phone, and tablet simultaneously. With a high capacity 27000mAh battery, it can provide power to your devices for days. Real-time LED display tells you about the battery left in the power bank, while premium Indian craftsmanship ensures durability. Smart charging, compact design - it's the ultimate on-the-go energy solution.