Suction type detachable mobile phone backup power supply

Abstract

The invention relates to a suction-type detachable mobile phone back-up power supply, which comprises a battery charging module fittedly fixed on a protective sleeve by a suction device; the battery charging module comprises a bottom cap, a separation board fittedly fixed on the bottom cap, a circuit mainboard, and a battery connected with the circuit mainboard; a cavity for accommodating the battery and the circuit mainboard is disposed on the bottom cap; the separation board is disposed above the circuit mainboard and the battery; a terminal matched with the mobile phone is disposed on the circuit mainboard; a terminal cap fixed on the separation board is disposed above the terminal. The protective sleeve is fixed on the bottom cap accommodating the battery in a suction manner, and the power supply is connected with the mobile phone through the terminal matched with the mobile phone; on one hand, the mobile phone can be charged by the power supply so as to prolong the standby or using time of the mobile phone; no connecting line is required when in use, which is convenient for users to use; the structure is compact, which is convenient for users to carry; on the other hand, the protective sleeve can be detached from the bottom cap, which meets individualized selection of the protective sleeve by users.

Description

technical field [0001] The invention relates to the technical field of power supplies, in particular to a suction-type detachable backup power supply for mobile phones. Background technique [0002] With the development of technology, the functions of personal consumer electronics are becoming more and more powerful, such as smart phones, although they can provide people with more convenience and choices, although smart phones are more and more powerful, they need to provide larger capacity Otherwise, the built-in battery of the mobile phone is easily exhausted and cannot provide a long enough battery life, so there is a rechargeable battery that can charge the battery in an emergency. [0003] The existing power supply is usually separated from the mobile phone, and the power supply is only connected to the mobile phone when in use, which causes inconvenience to the user to carry. At the same time, the appearance of smart phones is becoming more and more exquisite, electro...

AI Technical Summary

Problems solved by technology

During use, the user prevents scratches on the smartphone shell and reduces external shocks that affect the performance of the smartphone. Therefore, smartphones usually need to be provided with a protective case. Since the smartphone protective case does not have a power source, the smartphone cannot be used to charge the mobile phone.

At the same time, the mobile power supply or backup power supply is usually unable to protect the smartphone, and it needs to be connected through a connection line during the use of the mobile power supply or backup power supply, which brings inconvenience to use and carry.

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