Based on this product's specifications, here are some alternatives and similar models
Battery for DELL CP6DF laptops — MicroBattery Li‑Ion, 0.39 kg
Summary description:
Replacement laptop battery compatible with DELL CP6DF models. Manufactured by MicroBattery using Lithium‑Ion (Li‑Ion) technology, intended as a spare part for portable devices. Weighing 0.39 kg, it provides a direct swap for depleted batteries and is suitable for repairs, maintenance or extending runtime of compatible DELL laptops.