ORIGINAL Nokia BP-4W phone battery for Nokia Lumia 810 822 845 RM-878 1800 mAh etc Features Nokia Battery Brand Nokia Model  BP-6M Main features  Battery Type  Li-Ion Charging Time  2 to 3 hours Battery Capacity  1800 mAh Voltage in Volts(Approx.)  3.7v Dimensions  Weight (Approx.) 40.5g Features  Description  Constantly on the move, never run out of power with this extra high capacity spare Lithium Ion battery. Always keep an extra battery for the times when one battery just will not do. Compatibility  Nokia Nokia Lumia 810 822 845 RM-878 Mobiles Guarantee 3 Months Contains Loose Packing     Important Note: The Battery is brand new original comes in loose pack. Terms and condition of Warranty: The Product is having a seller warranty of 3 months. For any problem the seller will provide the free of cost service for 3 guarantee. If any type of physical damage is there then it is not included in the guarantee. For any assistance, please contact our customer service at: Mobile: 09920890056