Based on this product's specifications, here are some alternatives and similar models
Battery PATONA 2908 for DELL laptops — Lithium Polymer 2200 mAh, black/yellow
Summary description:
Replacement laptop battery PATONA 2908 compatible with select DELL models (e.g., DELL 5421-68, Ins14VD series). Lithium Polymer (LiPo) chemistry with 2200 mAh capacity, designed as a portable device battery for mobile use. Weighs 0.218 kg and comes in black and yellow; suitable for on‑the‑go power replacement and extended runtime in compatible DELL notebooks.