principle

　　1. It is powered by a special battery, and the platform is in a deep sleep state when it is not working. The device only works when it is awakened, and usually enters a sleep state after working for a few minutes.

　　In addition to reporting the current location information, the wake-up state also processes configuration commands issued by the background. After these two actions are completed, the system enters a deep sleep state again.

　　3. Due to being in a deep sleep state, it cannot track and execute commands issued by the background in real time. The commands can only take effect after the terminal wakes up; But at the same time, it also has the advantages of super power-saving and not afraid of being interfered by GPS signal blockers.

　　Battery material

　　1. The battery commonly used for ultra long standby is a lithium sub battery, rather than a lithium battery.

　　2. The chemical name of lithium sulfite chloride battery is Li − SOCl2, abbreviated as lithium sulfite battery. Due to its unique chemical properties and passivation effect, its annual self discharge current is less than 1%, and its storage life can reach over 10 years. Therefore, it is widely used as a power source in water, electricity, and gas meters.

　　3. Lithium ion batteries are disposable batteries and cannot be recharged. Lithium batteries are rechargeable batteries that can be recharged repeatedly. If it is a lithium battery, strictly speaking, it should not be called ultra long standby because lithium batteries will self discharge; Lithium batteries are suitable for charging terminals such as mobile phones, electricity meters, water meters, etc.

　　4. Rechargeable ultra long standby batteries on the market all use lithium batteries, which will self discharge. A single charge cannot reach 3 years and is not suitable for industries such as car loans and long-term leasing.

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