Basic Info. Model NO. S 2-i9100 Capacity for Battery 1600-1799mAh Compatible Brand Samsung Voltage 3.7V Battery Type Lithium-Ion Battery Power Source Electric Certification FCC Socket Type of Charger For E.U. Packaging Simple Capacity 1650mAh :Product Description Mobile battery: Keep a spare battery at home, in the office or while traveling so you will never miss that important call. Our battery is the best replacement to give you extra power. Product advantages: 1. Using battery cells from wellknown manufacturers, protecting the IC, controlling precisely, and making it more reliable to those protection functions of battery overcharge, over discharge, over current and short circuit; 2. Optimizing the internal space structure, the most effectively using reasonable space to increase the cell's volume, the biggest extent to use the battery capacity, double time for the phone call. 3. Using low pressure injection molding packaging technology, the quality is more stable. Specifications: 1. Battery Type: Lithium ion 2. Battery Capacity: 1650 mAh 3. Voltage: 3.7V Shipping: Your order will be shipped within 1-2 business days once we receive your payment. Return: We stand behind our products. Items can be returned for exchange or full refund within 180 days from the date you receive your merchandise for any quality problems. Return shipping is the responsibility of buyer unless the return is a result of our mistake (i. e., your receive the wrong item). We will pay for shipping replacement back to you if an exchange is requested.