Based on this product's specifications, here are some alternatives and similar models
AVACOM Li-Ion Camera Battery Li-40B / Li-42B / NP-45 / EN-EL10 3.6V 700mAh
Summary description:
Replacement AVACOM Li-Ion battery compatible with models Li-40B, Li-42B, NP-45 and EN-EL10. Rated 3.6V and 700mAh capacity, it provides reliable power for cameras and other compatible portable devices. Intended for photography use and field work, it delivers portable backup power for extended shooting sessions and on-the-go replacements.