First Quality
6 month Warranty (one to one Replacement)
4-Cell 40WHr 14.8v /11.1v
65WHr 14.8v /11.1v
The Battery Supports All Models Listed Below (Dell 3521 / Dell 3421 / Dell 3542 / Dell 5421 / Dell 5521 / Dell 3721 / Dell 5721 / Dell 2421 / Dell 2521)