Charge a service fee ranging from 2 to 5 yuan per hour. This depends on the service fee standard everywhere, but also need to pay for electricity, that is, the cost of electricity consumption, 0.7 to 1 yuan per degree, depending on the power used and charging time. A power bank is a portable power source that can help wireless charging of small electronic devices such as mobile phones and tablets.
Shared charging treasure pay by time or electricity is generally in accordance with the rental timeFor a fee. First of all, the charging standard of each store is different, ranging from 1-5 yuan/hour, subject to the display after scanning the code. The maximum billing system is 10 hours per day. More than 2 yuan/hour within 10 hours, 20 yuan capping within 24 hours, and so on. If the time is more than 24 hours, the cumulative charge should be carried out. However, it does not exclude others.
According to the customer service, the pricing standard is no money for the first 5 minutes, and the time fee for more than 5 minutes is 1 yuan for 30 minutes, and generally no more than 6 yuan for an hour. Because the region is different, so the fees between the various stations may beThere will be differences, depending on your city. In April 2021, data from research institutions showed that the number of online shared charging treasure devices in the country has exceeded 4.4 million in 2020, and the user scale has exceeded 200 million.
Generally speaking, the shared charging treasure is charged by the hour, some places of the shared charging treasure is free within half an hour, more than half an hour after the standard of 1 to 2 yuan per hour to scan the code to pay, 15 yuan within 24 hours. As for the deposit, some charging banks need to pay a deposit of 100 yuan when leasing, and the deposit will be automatically returned to the account after returning, and the sesame credit will reach 6Deposit is free above 00.
Scan code charging treasure, sleep at night has been charging, the mobile phone is full of him will deduct money even if it is held in the hand, you do not charge, it is also deduct money.
It is understood that the price of most shared charging banks is about 2-3 yuan per hour. In addition, there is no price on the shared charging treasure cabinet, and consumers only need to scan the code to know the charging standard of the current cabinet. Now, the price of shared power banks has begun to rise. At first, it was 1 yuan per hour, and now the highest has risen to 4 yuan per hour. In fact, the experience of sharing power banks is very bad. someLate return will result in overtime fines.
From the theory, wireless charging technologySafe and harmless to the human body, the resonance principle used by wireless charging is magnetic field resonance, which is transmitted only between coils resonating at the same frequency, and other devices cannot accept the band, in addition, the magnetic field used by wireless charging technology is itself harmless to the human body.
Disadvantages of mobile phone wireless charging Although the technical content of the equipment is high, the economic cost of the equipment is high and the maintenance cost is large. Because of the realization of long-distance high-power wireless magnetoelectric conversion, the energy consumption of the equipment is high. As the distance and power of wireless charging devices increase, the loss of idle work will be greater.
has little effect on human body; Wireless chargingElectricity uses the principle of electromagnetic induction, which operates at a very low frequency and does little harm. If you are still worried, you can choose a shielded scheme.
First of all, you already have a database, and then you only need to develop a mobile phone system, that is, an app, or a mobile website or wechat to develop an interaction with your database, so that you can perfectly solve your problem.
First, wechat has quietly provided a convenient solutionCase. Just open the wechat app on your phone, swipe to the top right corner, search gently, and enter the name of the "wechat Payment Business version" mini program. Once you find it, scroll down and you'll find a prominent mobile credit card payment option at the bottom of the page, which is your entry. Next, registering as a merchant is a key step.
First of all, wechat has provided us with convenient solutions. Just open the "wechat" app on your phone, tap the search icon in the upper right corner, and type the "wechat Payment Business Version" mini program. Once there, you will see the "Mobile Credit Card Payment" option at the bottom of the page