Power bank is a portable, external battery pack that is used to charge electronic devices like smartphones, tablets, laptops, and other USB-powered gadgets when you're on the go and don't have access to a power outlet. It's a convenient way to keep your devices powered up while traveling, camping, or during emergencies.
Product name:Power Bank
Model:YM-515
Battery capacity:10000mAh
Battery:polymer battery
Input:Micro/Type-C DC 5V-2.1A
Output:DC 5V-2.1A