Battery capable of stably providing accurate time information for long time

• Main Authors: SHEN ZHUO, WANG KUAN, JIANG XIN, LIU JIUJIU
• Format: Patent
• Language: Chinese; English
• Published: 18.08.2017
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

The invention discloses a battery capable of stably providing accurate time information for a long time, which comprises a rechargeable battery and an RTC circuit integrated inside the rechargeable battery, and is characterized in that the rechargeable battery comprises a power supply circuit and an output protection circuit connected with the power supply circuit, and the output protection circuit is connected with a power supply end of a circuit mainboard; the RTC circuit is connected with the power supply circuit so as to provide power for itself, and the RTC circuit is further provided with a serial port used for being communicated with the circuit mainboard. According to the invention, an RTC chip can stay at a normal time keeping state for a long time when a device/product is placed and not used for a long time or the device/product is normally used until the rechargeable battery triggers output protection, and the device/product can be used normally only by replacing the battery or charging the recharg