Based on this product's specifications, here are some alternatives and similar models
Rechargeable battery XTAR 16340 (CR123) Li‑ion 3.7V 850mAh, 34 mm height, 1.6 cm diameter
Summary description:
Rechargeable XTAR 16340 (CR123) Li‑ion battery with nominal voltage 3.7V and capacity 850mAh. Cylindrical cell 34 mm high and 1.6 cm in diameter, intended for devices that accept 16340/CR123 format. Single battery pack, suitable for flashlights, cameras and other portable electronics. Uses lithium‑ion chemistry; avoid exposure to direct heat.