Based on this product's specifications, here are some alternatives and similar models
Laptop battery Dell 42Wh Lithium-ion 3-cell 03KF82 for compatible Dell notebooks
Summary description:
Replacement laptop battery Dell 42Wh Lithium-ion 3-cell (model 03KF82) designed for compatible Dell notebooks. Provides 42 watt-hours capacity with a 3-cell Li‑ion chemistry to restore portable power for everyday use, travel or work. Ideal for users needing a direct battery replacement to extend runtime and maintain mobility. Install as OEM-design compatible part.