a rechargeable battery的用法和样例：
- It works like the AquaStar purifier but has a rechargeable battery.
- The lightweight (190g) Walkman in cassette case size has an auto reverse mechanism and a rechargeable battery system.
- The system is powered by a rechargeable battery that can be charged via optional solar panel for perpetual use.
- A self-contained microcomputer. It can be taken anywhere because it is small, lightweight, and powered by a rechargeable battery pack.
- The core of the charger DC power converters, which flows from the power supply has been absorbed energy to the largest possible current charge into a rechargeable battery.