DELL Laptop Battery For Inspiron 14 5000 Series 5451 5452 5458 5459 Inspiron 15 5000 Series 5552 5559 Inspiron 17 5000 Series 5759 Always on the go no more worries about running out of battery power you can power your laptop with this 4-cell lithium-ion battery from Delltm. With a capacity of up to 40 WHhr, the battery lets your laptop work seamlessly when you are on the move. Dell's one year warranty guarrantees that if Dell parts should fail, Dell will replace them.