Underwater Wireless Rechargeable battery system is a complex system involving many key technical links. Its design and implementation need to comprehensively consider various factors such as energy transmission principle, underwater communication, underwater positioning, etc. This paper will discuss the complete scheme of underwater Wireless Rechargeable battery system from the aspects of energy transmission principle selection, underwater communication, underwater positioning, etc., and integrate the existing research results and technical schemes, it provides reference for research and application in related fields.

1. Selection of energy transmission principle:
   to realize wireless charging in underwater environment, the choice of energy transmission principle is very important. A common choice is magnetic coupling resonant energy transmission, which realizes energy transmission through magnetic field coupling in resonant circuit. This principle has good stability and transmission efficiency in underwater environment, and is suitable for underwater Wireless Rechargeable battery system. In addition, technologies such as ultrasonic energy transmission and laser energy transmission can also be considered, and appropriate energy transmission principles can be selected according to specific application scenarios and requirements.

2. Underwater communication technology:
   underwater Wireless Rechargeable battery system needs to communicate and control with external devices, so underwater communication technology is an indispensable part. Common underwater communication technologies include acoustic communication, electromagnetic induction communication, laser communication, etc. When designing an underwater Wireless Rechargeable battery system, it is necessary to consider factors such as communication distance, transmission rate, anti-interference capability, etc., select appropriate underwater communication technology and match it with the principle of energy transmission, ensure the stability and reliability of the system.

3. Underwater positioning technology:
   underwater Wireless Rechargeable battery system needs accurate positioning and navigation capabilities to ensure effective energy transmission and communication. The complexity and variability of underwater environment bring challenges to underwater positioning technology, but it also gives birth to many innovative technical solutions. Common underwater positioning technologies include sonar positioning, Radio fix, laser positioning, etc. Combined with underwater communication technology, real-time monitoring and control of underwater equipment can be realized, and the intelligence and autonomy of underwater Wireless Rechargeable battery system can be improved.

Underwater Wireless Rechargeable battery system the design involves many key technical links, including the selection of energy transmission principle, underwater communication technology, underwater positioning technology, etc. By integrating existing research results and technical solutions and integrating different technical links, efficient energy transmission, reliable communication and accurate positioning of underwater Wireless Rechargeable battery system can be realized, it provides more perfect solutions for the development and application of underwater applications.