We are shipping the original Acer battery.
Intelligent Battery Pack
This is a�6 cell Li-Ion rechargeable battery for Acer�Aspire�4252, 4333, 4333Z, 4551, 4551G, 4552, 4552G, 4552Z, 4733, 4733Z, 4738, 4738G, 4738Z, 4741, 4741G, 4741Z, 4771, 4771G, 4771Z, 5251, 5251G, 5252, 5252G, 5253, 5253G, 5336, 5336G, 5336Z, 5551, 5551G, 5552, 5552G, 5736, 5736G, 5736Z, 5741, 5741G,�5741Z, 5742, 5742G, 5742Z, 7551, 7551G, 7552G, 7741, 7741G, 7741Z�and Acer TravelMate 4740, 4740G, 4740Z, 5542, 5542G, 5542Z, 5740, 5740G, 5740Z, 5742, 5742G, 5742Z, 7740, 7740G, 7740Z�and eMachines D442, D528, E440, E442 and Gateway NV49C, NV50A, NV51B, NV53A, NV55C, NV59C, NV73A, NV79A�and Packard Bell�EastNote LM,�NM, TM�series laptop and notebook computers.
This battery ships fully charged, tested and ready to work.
This ENERGY+ item is built with the highest quality standards, safety features and has a 12 month warranty.