Rechargeable Lithium Battery For Lenovo B40 B50 E40 E41 N40 N50 E51 B40-30 B40-45 B40-70 B40-80 B50-30 L12L4E55 L12M4E55 L13M4A01 Laptop Battery

Remember kindly: You need professional technology to change the built-in phone battery. We recommend that you go to a mobile phone repair shop to install it.

Battery capacity: 2800mAh Compatible with: ​For Lenovo B40 B50 E40 E41 N40 N50 E51 B40-30 B40-45 B40-70 B40-80 B50-30 B50-45 B50-70 B50-80 E41-30 E41-45 E41-70 E41-80 N40-30 N40-45 N40-70 N40-80 E51-30 E51-45 E51-70 E51-80 N50-30 N50-45 N50-70 N50-80 etc., Model Battery Country of Origin: China Packing specification: bulk package (bubble envelope bag)

Important: New Lithium Ion batteries must be FULLY CHARGED and FULLY DISCHARGED 2 to 3 times, before being FULLY CONDITIONED. Please remember that a new Lithium-Ion battery's full performance and longevity is only achieved after 2 to 3 complete charge and discharge cycles. All talk and standby times are approximate, depending upon carrier's network settings, signal strength, and features selected. Talk and Standby times will be lower in Analog mode as noted above.