Details ： 1. It can charge 20 tablets or mobile phones at the same time; the overall size is length*width*height 750*350*240mm (without casters);
2. The main structure is made of cold-rolled steel plate 1.0-1.5mm, the structure is firm and does not deform, and the front and inner frame are made of ABS flame retardant plastic
   Glue is opened and formed at one time. The front door adopts acrylic transparent design, which can observe the internal situation of the charging cabinet in real time.
3. Use smart protection USB interface for charging to prevent excessive instantaneous current from damaging the device;
4. The armrest is designed according to ergonomics, which is beautiful and practical; the bottom of the cabinet is designed with LED lights, which can intelligently identify each tablet
   Brain charge state;
5. The charging cabinet adopts the arc design for the front, back, left, and right, and the omni-directional direction to avoid the problem of bumping between teachers and students;
   The door has a vent to effectively exhaust the hot air in the cabinet;
6. Intelligent heat dissipation, equipped with an intelligent temperature control system. When the internal temperature is detected to rise to the set value, the heat dissipation system will start to run.
   After charging, the cooling system automatically stops.
7. The design of the cabinet adopts ABS fuel-resistant one-time mold opening to form the compartment, and the tablet computer is placed in layers, and each computer has an independent storage.
   Built-in space, omni-directional rounded corner design, can effectively prevent the tablet from scratching;
8. The power supply part is equipped with multiple protections for overload, overvoltage, and overcurrent protection to ensure the safety of charging equipment;
9. The charging circuit uses high-quality semiconductor chips to achieve small size and low heat generation, and optimize the power design, and add various protections.
   Protection function, realize each USB 2.1A charging current, with LED display, built-in protection functions such as overvoltage and overcurrent; voltage output
   Input: 220V~50Hz;
10. The rated output voltage and current of each USB is 5V/2.1A; all are equipped with high-quality tantalum capacitor filtering, high current and voltage accuracy, and ripple
Small size, excellent stability, to ensure that the battery life of the terminal device is maximized, and each USB channel supports over-current protection:
More than 2.1A, the current limit is 2.1A to ensure that the charging device works normally; when the charging device is abnormal, each USB port has its own
Built-in protection circuit to ensure the normal operation of other USB ports; when a short circuit occurs, the current-limiting circuit is activated to protect the device;
11. The LED light shows red light when charging, and green light when fully charged and standby.
12. The bottom of the cabinet is equipped with ultra-quiet shock-absorbing universal wheels and brake wheels, which is convenient for the mobile use of the cabinet;
13. Compatible with tablet computers and smartphones that are compatible with all operating systems such as Antuo, Apple IOS, Windows, Chrome, etc.;
14. Adopt modular design, easy to maintain; can be upgraded to two or three layers, corresponding to charging equipment