2x 1800mAh Battery+Universal Charger+Folding Bracket for Nokia Lumia 521 * This package is specifically designed for Nokia Lumia 521 from T-Mobile as we stated in our listing. * If you do not have Nokia Lumia 521 , this package is not for you.     Battery * Quantity: 2 * Brand:Unbranded/Generic * Excellent quality battery for   Nokia Lumia 521 * This battery has an integrated that prevents overcharging and lengthens battery life. * Cell type: Lithium Ion.    * Voltage: 3.7V.   Capacity 1800mAh * The battery operation time depends depends on conditions suchas:Transmitting power level, Signal (distance between the phone and the base station),Network parameters base the operator. Universal Charger * Quantity: 1 * To Charge battery for Nokia Lumia 521   allow the 2 metal pins on the charger to   touch the 1st and the 2nd contacts of battery. * For other batteries, it's not necessarily to be the 1st and 2nd though, please refer to the user manual. * You should see the LED light turn blue on the charger, that means the contacts has been firmly connected. * Now you could plug in the charger with the battery into a power socket. * The LED Light will turn Red when charging the battery, turn blue to indicate the battery is fully charged. Folding Bracket * Quantity: 1 * Color: as shown in picture. * Material: durable& lightweight plastic. * Size: 5.2cm x 3.5cm. * Sits your Android Smart phones in a stylish   way. * Creative 2-stage stand and adjustable   design * Suitable for your smartphone or tablet upto 8. * Miniature size, convenient to carry.      Package Content:   * 1800mAh Battery x 2 * Universal Charger x 1 * Folding Bracket x 1 * ( Cellphone not included ) Compatible with: Nokia Lumia 521 ( T-Mobile )     *  This battery has the same dimension as your stock battery,    you do not need  a special back cover to use it