Based on this product's specifications, here are some alternatives and similar models
Battery RAYOVAC for Samsung S8 Plus EB-BG955ABE 3500mAh replacement cell
Summary description:
Replacement battery compatible with Samsung S8 Plus, model EB-BG955ABE, manufactured by RAYOVAC with 3500mAh nominal capacity. Designed as a spare or replacement cell for restoring device runtime, it fits the Galaxy S8+ form factor and supplies power for calls, apps and multimedia. Ideal for repairing phones with degraded or faulty original batteries.