This is a generic, equivalent one, 100% compatible. This 10.8V 4400mAh Replacement battery is designed to compatible with Lenovo 45N1042 45N1043 45N1044 45N1048.

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 10.8V (Compatible with 11.1V)
* Battery Capacity: 4400mAh
* Chemistry: Li-ion
* Cell: 6 Cells
* Color: black
* recharge cycles： 500
* Operation time: Around 2-3 hours
* Certification: CE FCC RoHS
* Condition: new, 1 Year Warranty!
* No memory effect, Over-charge protection, Over-discharge protection.
* Over-heat protection, Over-current protection, Short-circuit protection.

Compatible Part Numbers:
Lenovo 121500047 121500050 3ICR19/65-2 45N1042 45N1043 45N1044 45N1048 45N1049 45N1055 L11S6Y01(3INR19/65-2)

Compatible with the following Lenovo Laptop models:
Lenovo ThinkPad E430 B590 M490 V385 B490 B495 B580 B595 E435 E49 E530 E535 M480 M495 M580 M595 V380 V480 V485 V580 V585 K49 B480 B485 B585

Package Included:
1 x Replacement Laptop Battery for Lenovo 45N1042 45N1043 45N1044 45N1048 10.8V 4400mAh