Based on this product's specifications, here are some alternatives and similar models
Rechargeable Battery Pack Panasonic Eneloop F1x4 4.8V 750–800mAh Ni-MH
Summary description:
Rechargeable battery pack Panasonic Eneloop F1x4 with nominal voltage 4.8V and capacity range 750–800mAh. Consists of four Ni‑MH cells pre-mounted for use in devices requiring a 4.8V supply. Suitable for portable electronics, toys, remote controls and other household devices. Provides reusable power, reducing need for disposables and offering stable voltage for consistent operation.