Based on this product's specifications, here are some alternatives and similar models
Lithium AA battery Voltcraft VC-12632310 3.6V 2400mAh
Summary description:
Lithium AA battery Voltcraft VC-12632310 provides 3.6V nominal voltage and 2400mAh capacity. Designed for devices requiring long-lasting, stable power from a single AA-sized cell, it suits cameras, sensors, measurement tools and portable electronics. Benefits include high energy density, low self-discharge and reliable performance in applications needing steady voltage.