This ultra slim wallet-sized battery pack by Shen Zehn Indstries is perfect for on-the-go charging. It boasts a power capacity of 2500mAh and features a single USB port for connectivity. The black finish is sleek and versatile, while the ultra-thin design makes it easy to carry in your pocket or purse.

Compatible with universal brands and models, this battery pack comes with a charging cable and has a voltage of 5V. Its design and finish are both stylish and functional, making it a must-have accessory for your cell phone or other compatible devices. Get your hands on this brand new battery pack today!