Based on this product's specifications, here are some alternatives and similar models
Battery Pentax D-LI92 Lithium-Ion 925 mAh
Summary description:
The Pentax D-LI92 is a Lithium-Ion battery with a capacity of 925 mAh, designed for reliable performance in compatible devices like the Optio D-BC92. Its compact dimensions (42 mm x 60 mm x 40 mm) make it easy to carry and use, ensuring your camera is always ready for action. Enjoy extended shooting time and quick recharge capabilities with this high-quality battery.