... blue, purple, black, silver,red 2.Have a power indicator&LED lamp 3.long cycle life,low self discharge rate Parameter sheet ... battery cell 2. High capacity and long cycle life 3.Have a power indicator and LED lamps 4. With protecting functions of ... , black, silver,red Main application fielduniversal usage as stand-by power for cell phone, smart phone, iphone series products, Bluetoothmusic player like ...