Power bank CANYON CNS-TPBP10 10000mAh (Color: Dark Gray), bulit in Lithium Polymer Battery. Good news for iPhone owners! This ultra-slim Li-Polymer Power Bank has “lightning” cable input, so you don't have to carry two cables with it. It's so small and slim, that you will not even feel it in your bag or pocket. Battery capacity should be sufficient for 4 charges of an average smartphone. Li-Polymer batteries are slimmer, lighter and have lower discharge rate. Enjoy the benefits of new technologies!