Advancements in battery and power technologies are critical to the development of more interactive and autonomous sex dolls. Recent innovations focus on creating longer-lasting, safer, and more efficient power sources to support features such as movement, voice interaction, and temperature regulation. Lithium-polymer batteries, with their high energy density and quick charging capabilities, are increasingly used to power dolls without adding significant weight or bulk. Some models incorporate rechargeable batteries that can be easily swapped or charged wirelessly, enhancing convenience for users. Improved power management systems enable dolls to operate for extended periods, making interactions more seamless and natural. These technological improvements also facilitate the integration of sensors and AI-driven responses, allowing dolls to react more dynamically during use. As power technology continues to evolve, we can expect more sophisticated, lifelike dolls capable of complex movements and interactions, further blurring the lines between robotic and human-like experiences. Enhanced battery systems are thus pivotal in driving the industry toward more realistic, interactive, and autonomous products.