... battery 3.Over-current,over-voltage,circuit-short protection Battery Capacity:2000mAh portable Power Bank Battery Cell Type:Polymer Li ... :5~8 yearsProtection Functions:Built-in protection functions for short circuit, over charge/discharge;Devices Supported:mobile phones, ... cameras, handheld game consoles, Bluetooth devices and so on. portable Power Bank Product color:Black, Silver, Pink, Red, Blue ...