- Notebook battery (equivalent to: Dell WR050
- Dell TT485
- Dell 312-0566)
- 1 x lithium ion 6-cell 5200 mAh
- for Dell Inspiron 13
- XPS M1330
- XPS M1330 Performance; XPS M1330
Need a battery for Dell Laptops/Notebooks with the following model numbers: XPS M1330; Inspiron 13, 1318 (6 cells)? BTI has you covered with our premium 6 cell LiIon battery. This product has been engineered to meet or exceed the original manufacturer's specifications and replaces the original Dell part numbers 87-22S8S-4EC, M22BAT-8. All BTI batteries are manufactured and tested under our stringent quality standards and come with an industry leading 18 month manufacturer's warranty. BTI... True to the original.