What is shared power bank composed of?
We will provide you with a comprehensive introduction to
the composition of shared power bank and its corresponding
functions from the external structure, internal structure, control
system, battery, oftware and payment method of charging
cabinet, and comprehensively analyze the professional knowledge
of shared power bank, so that you will have a clear understanding
of what shared power bank is.
Charging cabinet:
External Structure
Appearance
Designed according to the number of charging treasure, generally
4/ 5 / 6 / 8/ 12/ 24/ 32/ 48/ 72/ 96/ 120 ports and integrated
super-large cabinet 216 ports.
According to the needs of different scenarios, according to the
functional area is divided into outdoor waterproof, solar energy,
indoor scenarios (desktop, wall-mounted, vertical, etc.)
Vertical cabinets are usually placed in shopping malls,
airports, railway stations and other places with high
traffic flow, the height is usually around 1 - 2 meters,
which is convenient for users to operate; desktop
cabinets are smaller and suitable for placing on the
desktop of restaurants, cafes, and other small
commercial places. Solar, outdoor waterproof cabinets
are suitable for placing in squares, parks, and scenic
spots and other places with a large flow of people.
Material: common plastic shell and metal shell.
Plastic shell is generally used ABS engineering plastics
or PC plastic, with good insulation, lightweight and a
certain degree of impact resistance. The metal shell
is mostly made of alloy, with good pressure resistance
and anti-theft properties; the main role is to protect
the internal components.
Internal structure:
The main function is to return and eject the rechargeable
treasure when renting and restricting the position, preventing
the rechargeable treasure from being pulled out and taken
away directly, resulting in loss.
Charging treasure storage and charging slot
Slot design: used for storing and fixing the charging treasure,
the size and shape of the slot matches the charging treasure,
and some of them have a certain tilt angle, which is convenient
for users to access the charging treasure, and there is a charging
interface inside the slot, which is connected to the charging pin
of the charging treasure to realize the function of charging for
the charging treasure.
Inside the cabinet, there are several slots dedicated to storage
and charging, and the size and shape of these slots are customized
according to the size of the shared power bank. Typically, the slots
are deep enough to ensure that the chargers can be securely placed
in them and will not fall out when the cabinet is moved or
subjected to minor external forces. The number of slots varies
depending on the size of the cabinet and the purpose for which
it was designed. Smaller cabinets may have a few to a dozen slots,
while large vertical cabinets may have dozens or even hundreds of slots.
Inductor: installed in or near the charging slot, used to detect the
insertion and removal status of the charging treasure, when the user
inserts or removes the charging treasure, the inductor will send the
signal to the control system, in order to carry out the corresponding
billing, management and other operations.
Transmission device: the earliest because of the immaturity of the
technology using solenoid valves to control the rental and return
of the charging treasure pop-up and return, but due to the high
failure rate and give up, most of them have now adopted a more
stable form of motor drive, precise control of the pop-up distance
and strength, to reduce the failure to enhance the user's experience.
Shade components: Shade components are set up at the front of
the charging slot, when the charging treasure is removed, the
shading plate is automatically closed, mainly used to prevent
dust and debris from entering the warehouse channel, reduce
cabinet failure to enhance the service life of the cabinet.
Control system:
PCBA motherboard, the core component of the control system, on which various electronic components
are integrated, such as microprocessors, memory, communication modules, power management chips, etc.,
is responsible for controlling and managing the operation of the entire cabinet, including charging control
of charging treasure, management of the rental and return process, and data statistics and transmission and
other functions.
Some cabinets will add different versions of Android to run different programs of shared power bank to realize
different functional requirements.
Communication module Realize the communication connection between the cabinet and the server or cloud
management platform, usually using 4G, 5G and other wireless communication technologies, uploading the
cabinet's status information (e.g., charging power, rental status, fault information, etc.) to the server, and at the
same time, receiving commands (e.g., remote control commands, price adjustment commands, etc.) issued by
the server; in some areas, it can use the network interface and the WiFi module to solve the network problems.
Problems. The inconsistency of the network system of each national region leads to the price of communication
module varies, of which the communication module of GSM is the most expensive.
Power management module: It is responsible for distributing and managing the power supply of the cabinet, on
the one hand, it converts the AC power into the voltage and current suitable for charging the rechargeable treasure
and other components inside the cabinet, and on the other hand, it monitors and protects the charging process,
preventing over-charging, over-discharging, short-circuiting and so on.
Power supply: Convert AC power into DC power to supply power to the rechargeable battery and the cabinet control
system by means of an adapter that suits the voltage and current of the cabinet.
Other auxiliary components
Display: Installed on the surface of the cabinet, it is used to display the rental process of the charging treasure, use
instructions, charging standards, cabinet status and other information, which is convenient for the user to operate
and understand the situation of the cabinet, and some of the displays also support touch operation, so that the user
can rent and return the charging treasure by touching the screen and other operations.
Indicator light: Different colors and states of indicator lights are set on the surface of the cabinet or near the charging
slot to indicate the working status of the cabinet, such as power indicator light, charging indicator light, fault indicator
light, etc.. For example, the charging indicator can show the charging progress of the rechargeable treasure, and the
fault indicator light indicates that the cabinet is in trouble and needs maintenance personnel to deal with it.
Cooling Fan: Installed inside or on the side of the cabinet, when the temperature inside the cabinet is too high, the
cooling fan will start automatically to accelerate the air flow, discharging the heat out of the cabinet, lowering the
internal temperature and ensuring the normal operation of the equipment.
Decorative components: RGB color adjustable ambient lighting, adjusted according to the decorative style and
personal preferences.
Other components:
1.POS machine bracket: for example, in order to facilitate the user to use our self-developed external different POS
components, fixed POS machine in shared power bank cabinet, convenient for the user to swipe the card to rent,
rather than using APP, to enhance the convenience of the user to use shared power bank.
2. Wall-mounted component, hang the shared power bank on the wall, saving installation space for users to borrow.
3. Floor stand, the shared power bank is mounted on the stand, which can be placed anywhere for customers to see and use.
4. Built-in functional components, for the sake of aesthetics and ease of use will be different POS machine bracket on the
inside of the cabinet, to achieve the card rental
User interaction interface: In order to facilitate the use of users, the cabinet is usually equipped with a user interaction interface.
This interface mainly includes the display and operation buttons. The display screen is used to show the user information, such
as the rental process description of the rechargeable battery, the remaining number of rechargeable batteries, rental fees and
so on. The operation buttons are used for the user to perform the operation of renting and returning the rechargeable treasure,
for example, the user can start renting the rechargeable treasure by pressing the “Rent” button, and complete the return
operation by pressing the “Return” button.
Battery.
Generally 5000/6000 mA rental users emergency charging after return, the advantages of charging treasure product price is relatively
low, lack of charging speed is not super fast charging fast, generally half an hour to charge 30% or so, to meet the user wants to quickly
full of cell phone battery needs.
With the maturity of the technology and the development of the industry, super fast charging will slowly replace the ordinary charging
treasure, super fast charging basic battery capacity of 8000 mAh and above, can quickly meet the user's charging needs, charging half
an hour to reach about 60% of the power.
Shell
Material: mostly PC and ABS fireproof material, plastic and other insulation materials
Role: to protect the internal components, to prevent external impact, collision damage to the internal circuit and battery, but also play
a certain insulation and aesthetic effect
Battery cell
Type: Usually use lithium-ion batteries, or lithium polymer batteries.
Role: It is the core component of the rechargeable treasure, responsible for storing electric energy and providing power support for external devices 1.
Circuit board (PCBA)
Circuit components: integrated with the main control chip, battery protection chip, charge management chip, communication chip and
other electronic components
The main control chip is responsible for the whole machine control, responsible for input and output control and other functions
Battery protection chip is used to prevent the battery from over-charging, over-discharging and over-current.
Charging management chip controls the charging process of the battery to ensure safe and efficient charging.
The communication chip realizes the communication between the rechargeable battery and the cabinet, so as to manage the operation of
renting and returning.
Function realization: realize charging and discharging management, power monitoring and display, output control, communication with
cabinet and various protection functions of the battery.
Charging interface and contact
Interface type: Usually has a variety of output interfaces, such as Micro USB, USB-C, Lightning interface, etc., to meet the charging needs of different brands and models of cell phones on the market.
Charging contact: There is a charging contact at the bottom or side, which is used to connect with the shared power bank cabinet to realize the charging and data communication functions.
Indicator light and buttons
Indicator light: Generally located on the surface of the charger, it is used to show the power status, charging status, etc. There is an indicator light or indicator ring on the top or front of the shared power bank, which indicates different power level and working status through different colors or flashing methods.
Button: Usually there is a power button, which is used to turn on or off the output of the charging bank.
Charging port: Type-C port, if the customer buys the charging bank directly, he/she can charge the charging bank by himself/herself.
Other auxiliary components
Thermistor: used to detect the battery temperature, when the battery temperature is too high, it can trigger the protection mechanism to prevent the battery from overheating damage or even danger.
Anti-theft locking slot: some rechargeable treasure is equipped with anti-theft locking slot on both sides of the rechargeable treasure, with the anti-theft lock of the cabinet, to prevent the rechargeable treasure from being maliciously taken out.
Software:
User terminal: Android user terminal APP, IOS user terminal APP, H5 user terminal
Agent client: PC management background, APP
Management: PC management background, H5 management background, APP management background
User Side:
User Registration / Login Module
Support multiple ways for users to register and login, such as cell phone number registration, verification
by sending verification code. You can also use a third-party account to log in, like WeChat, Alipay and so on.
This facilitates users to quickly enter the software to use the service, and also makes it easy for the software
operator to obtain the basic information of the user and provide the identification basis for the subsequent service.
Map and Positioning Module
With the help of the GPS function of the cell phone, it can accurately locate the user's position. It will display on the
map the location information of nearby shared power bank cabinets, including the specific address of the cabinet,
the distance from the user and so on. For example, when users are looking for a shared power bank in a shopping
mall, they can quickly find the closest cabinet on the floor and near the specific store location through this module.
Rental / Return Module
Rental process: After the user chooses to rent in the software, the software will communicate with the cabinet
through Bluetooth or other near-field communication technology (such as NFC) to recognize the information
of the rechargeable treasure in the cabinet, and then control the cabinet to eject the rechargeable treasure.
At the same time, the software will start to record the rental time as the starting point for billing.
Return process: After the user inserts the rechargeable treasure into the charging slot of the cabinet, the
software confirms that the rechargeable treasure has been returned through the information fed back from
the cabinet, stops billing, and calculates the cost based on the length of use and other information. During
the return process, the software will also check whether the rechargeable treasure is damaged or not, whether
the power is normal or not, and so on.
Billing Module
Depending on the brand and operation strategy, there will be a variety of billing methods. The most common
is hourly billing, for example, ranging from $1 - $3 per hour. Some brands may also offer daily and weekly
packages. The software will accurately record the user's usage hours or the validity period of the package, and
calculate the fees to be charged. At the same time, the software will be connected to the payment system,
supporting a variety of payment methods, such as WeChat payment, Alipay payment, etc., so that it is convenient
for users to complete the payment.
Charging Po Status Viewing Module
Users can check the current power level of the rented charging treasure, so that they can plan the use in advance
to avoid insufficient power when they need to charge the charging treasure. At the same time, you can also check
whether there are faults in the rechargeable battery, such as high temperature inside the rechargeable battery,
battery aging and other abnormal conditions.
User Evaluation / Feedback Module
After using shared power bank, users can evaluate the rental experience, including the quality of the rechargeable
battery, the convenient location of the cabinet, and the smoothness of the rental and return process. At the same time,
users can also use this module to provide feedback on problems encountered in the process of using the shared
power bank, such as the charging treasure can not be charged, the cabinet malfunction, etc., so that the software
operator can deal with the problems in a timely manner according to this feedback and optimize the service.
Personal Center Module
Here users can view their own rental records, including the time, location, duration, cost and other information of
each rental. You can also set up personal information, such as change password, bind or change payment method,
set up reminder function (e.g. reminder that the rechargeable treasure is about to expire) and so on.
Agent Client: Login, Home, Equipment Management, Order Management, Merchant Management, Financial
Management, My, etc.
User: Login, Home, Map, Rent and Return, Billing, Personal Center, etc.
Cabinet Management Module
Merchants can check the status of the shared power bank cabinets in their stores through this module, including
the number of chargers in each cabinet, the charging status of the chargers, and whether the cabinets are working
normally, etc. For example, merchants can know in real time whether there are any chargers in their stores. For example,
the merchant can know in real time how many chargers are fully charged and ready for rental, how many are charging,
and whether any chargers are damaged and need to be repaired.
Revenue Viewing Module
Merchants can view the revenue earned from shared power bank cabinets, including daily, weekly and monthly revenue
statistics. Revenue is usually calculated based on the number of times and hours that a user rents a cabinet in the
merchant's store, according to the agreed-upon percentage split with the shared power bank operator. For example, the
merchant may receive a certain percentage (e.g. 30% - 50%) of the user's rental fees as revenue from the space.
Permission Module
For merchants with multiple employees, the merchant manager can set up different employees' permissions in this module.
For example, some employees can only be responsible for the daily maintenance of the cabinets, such as replenishing the
charging treasure, checking the status of the cabinets, etc.; some employees can check the revenue situation; while the
person in charge of the merchant has all the permissions, including the authority to add or remove the cabinets, and modify
the terms of cooperation with the operator.
Management system: equipment management, agent management, user management, order management,
customer service management, marketing management, advertising management, financial statistics
management, authority management, etc.
Equipment management module
It can centralize the management of all shared power bank cabinets and charging treasures. Including the installation,
debugging and updating of cabinets, as well as the placement, recovery and maintenance of charging treasure and
other information records. For example, operators can use this module to know how many new charging treasures
and cabinets need to be placed in a certain area, and which equipment needs to be repaired or replaced.
Data Statistics Analysis Module
Collects and analyzes a large amount of data, such as the usage rate of cabinets in different regions, the rental
frequency of charging treasures, the distribution of users' usage hours, and the revenue situation. By analyzing
these data, operators can formulate more reasonable placement strategies, such as increasing cabinet placement
in which high-traffic areas, and adjusting cabinet locations or reducing placement in which low-usage-rate areas.
At the same time, it can also optimize the billing strategy according to the user's usage habits.
User Management Module
Manage all user information, including user's registration information, rental records, credit status, and so on.
If the user maliciously damages the charging treasure, or fails to return it after the due date, the operator can
handle the user accordingly through this module, such as deducting the credit score, restricting the rental,
and other measures.
Partner Management Module
This module is used for the management of cooperation with merchants, including the audit of merchants,
the signing of cooperation agreements, and the setting of revenue sharing, etc. It also allows you to view
the cooperation with each merchant. At the same time, you can also view the cooperation situation with
each merchant, such as the use of the merchant's cabinet, revenue, etc., and communicate with the merchant
in a timely manner to optimize the mode of cooperation.
Need to prepare: domain name, server, developer account, for the development of the system to use.
Payment:
Payment channel development required documentation / SDK, etc., for the use of is the scanning code
payment collection issues
Payment principle
User operation and data transmission
Scanning code identification: Users use their cell phones to scan the QR code on the shared power bank
equipment, this operation will trigger the cell phone application or applet to obtain the unique identification
of the equipment and other information, and then transmit these data to the shared power bank operation
platform through the network.
User Confirmation: After the platform receives the information of the device, it will push the rental fee, the
remaining power of the charger, the duration of use and other related information to the user end. After
the user confirms the rental and selects the payment method, the user end will encrypt the payment instruction
and the related payment information and then transmit them to the operation platform again.
Operation Platform Processing
Order generation and billing: After receiving the payment instruction from the user, the operation platform
first generates the corresponding rental order, records the rental time, charging treasure number, user account
number and other information, and calculates the cost of the rental according to the preset billing rules, such
as hourly billing, package billing and so on.
Payment interface call: The operation platform calls the corresponding third-party payment interface according
to the payment method chosen by the user, such as WeChat Pay, Alipay Pay, etc., and passes the encrypted
payment information and order amount and other data to the third-party payment platform.
Third-party payment platform processing
Payment verification and authorization: After receiving the payment request from the operation platform, the
third-party payment platform verifies and authorizes the user's payment information, including checking
whether the user's account balance is sufficient, whether the payment password is correct, and whether the
bank card is valid.
Funds transfer: If the payment verification is passed, the third party payment platform will deduct the
corresponding rental fees from the user's account and temporarily freeze or directly transfer the funds
to the account opened by the operator of the shared power bank in the payment platform, and at the
same time return the notification of successful payment to the operation platform.
Subsequent Processing by the Operation Platform
Order update and feedback: After receiving the successful payment notification from the third-party
payment platform, the operation platform will update the order status to “paid” and feedback the
successful rental information to the user, and at the same time, unlock the charging device and allow
the user to take it out and use it, thus completing the whole payment process.
Data Recording and Analysis: The operation platform will record the relevant data of this transaction,
such as payment time, payment amount, payment method, etc. into the database, so as to facilitate
the subsequent statistical analysis of data, financial accounting and provide a basis for operational
decision-making.
Almost everyone in China has two payment software, Alipay and WeChat, only need to open the
payment software to realize the rental of shared power bank, simple and efficient.
In other countries and regions mobile payment may not be particularly popular, and there are a
variety of payment companies, the payment environment is more complex, so this is also an
obstacle to do shared power bank project outside of China.
January 7, 2025