emergency battery charger AD-D-1801 Input voltage:1.5V,Output voltage:5. ... .portable.color:red,golden,black,silver etc. can prin emergency battery charger AD-D-1801Important: Read Before Using Product How to Use ... hrsTalking time (approximate): 100-180 minSafe protection: short circuit protection, battery reverse connection protectionDimension: 72xD21mm emergency battery charger AD-D-1801