Onite 2 2600mAh(NFC) Battery for Samsung Galaxy S IV / S4 I9500,Samsung I9505 Galaxy S4, with Charger
Package Contents:Battery x 2, Charger x 1Compatible Cellphone Models:Samsung Galaxy S4 Active I9295, I537 AT&T;, Samsung Galaxy S4, GT-I9500, GT-I9505, SGH-M919(T-Mobile), SCH-I545(Verizon), SGH-I337(AT&T;)SPH-L720(Sprint), SCH-R970(U.S. Cellular/MetroPCS)Service Information:Since the date of sale within 2 months, the batteries can be returned with no reasons and all batteries enjoy 12-month free warrantyIf there is any abnormal condition when using the product, please stop using it and contact with customer service centerCharger Instructions :Positive and negative of the charger are automatically recognizableFirst, please take a look at your battery; there are one mark "+" positive contact and one mark "-" negative contactThen, take a look on the Onite charger; you can get two little movable prongs. As the positive and negative are automatically recognized by this charger, it doesn't matter which is contact on positive and which is negative;Third, Pull down the bottom, and put battery in it. Adjust the charger prongs to match the polarities of the contacts on the battery. Release the part of the charger that moves. This will lock the battery in place. When the light on the charger turn on to blue, it means they are prepared to be charged;Finally, plug the charger into the wall, the light becomes red, which indicates the battery charging. When the light turns to blue again, that indicates the battery is fully charged.