"My Personal Favorite. I have the same charger plugged in for 24 hours a day, 7 days a week and 365 days year round for the last 3 years with a flawless performance."
This is a 5 Volt 2100mAH.
NOT a 9V (Samsung, LG and Notes Phones)
On Sep-18-16 at 11:10:14 PDT, seller added the following information: