Compatibility: Microsoft Lumia 640 XL Nokia Lumia 640 XL Lumia 640 XL Dual Sim Lumia 640XL AT&T Lumia 640 XL Windows 8.1 RM-1062 RM-1063 RM-1064 RM-1065 RM-1066 RM-1067 RM-1096 Specifications:
Brand: Microsoft
Model: BV-T4B
Voltage: 3.8V 11.4
Wh Capacity: 3000mAh
Cell type: Lithium Ion Microsoft Mobile Made in China 1ICP5/47/97
Dimensions: 3.94 X 1.85 X 0.20 (100mm X 47mm X 5mm) Rechargeable Li-ion Battery. Use specified charger only. Must be disposed of properly. May explode if damaged or disposed of in fire. Do not short-circuit. Do not disassemble.