NEW Replacement Battery For ASUS X413 X413F X413FF X413J X413E X413EP TP420 V4050F V5050E M4050I X421DA B31N1911 C31N1911 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 Type Model:Laptop Battery Battery Model:B31N1911 C31N1911 Battery Capacity:3640mAh Compatible with : For ASUS X413 X413F X413FFX413JX413EX413EP TP420 V4050FV5050E M4050I ADOL14FQC ADOL14EQ REDOL14EA REDOLBOOK14F REDOLBOOK14E REDOLBOOK14I TP420IA/EA/EZ TP470EZ TP470EA X421DA X421EA TM420IA M413DA ​Battery Country of Origin: China Packing specification: bulk package

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. After you go through 2 to 3 cycles, you'll never have to condition your battery again!

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.