Features:  HIGH QUALITY MATERIAL: Made of high quality material, it is not easy to break and lasts longer. BATTERY REPLACEMENT: By using this accessory, you can retain the integrity of your device and ensure that the parts you purchase will work perfectly. Long service life: Compared to disposable batteries, rechargeable batteries typically last longer and can provide reliable power to your device for a longer period of time. CONVENIENCE: Enjoy the convenience of a rechargeable batteries that doesn't need to be replaced as often, saving you time and money in the long run. WIDE APPLICATION: This replacement battery can be used to replace damageds batteries or batteries that run out of power quickly, making it easier to use your device. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement                 Description: Battery type: BV-T4D Battery capacity: 3340mAh Voltage: 3.85 V Compatible with Lumias 950 XL CityMan, Lumias 940 XL RM-1118 NOTE: New lithium-ion batteries must be fully charged and fully discharged 2 to 3 times before being fully conditioned. Keep in mind that new lithium-ion batteries will develop their full performance and extend their service life only after 2 to 3 complete charge and discharge cycles. After 2 or 3 cycles, you no longer have to condition the battery! Package List: 1 x Battery