In recent years, with the popularization of USB PD fast charging and high-power fast charging technology, USB-C interface has achieved large-scale commercial use in consumer electronic products. In addition to the most frequently used mobile phones, tablets, laptops and other products, the application areas of USB-C interface also include TWS Bluetooth headsets, shavers, power tools and so on.
As a well-known brand in the field of personal care products, FLYCO recently launched an electric shaver that also uses a USB-C charging interface, completely bidding farewell to the traditional 8-character charging cable. At the same time, this electric shaver also supports functions such as charging while using, power display, etc., to solve the pain points of traditional products and improve the user experience.
At present, the charging head network has obtained the razor of Feike's USB-C interface, and the following is to disassemble and see the internal structure and materials.
First, the appearance of Feike electric shaver
FLYCO's electric shaver comes in a black box with the product's exterior, logo and model number, FS903 printed on the front.
On the back of the box are printed the major selling points of the product, as well as product parameters and manufacturer information.
In addition to the electric shaver body, the box also includes a charger, charging cable, storage bag, and instruction manual.
The standard charging cable is USB-A to USB-C specifications, with a length of about 110cm and a PRINTED FLYCO logo at the interface.
The standard charger features a glossy black body with fixed pins and a FLYCO logo printed on the body.
FLYCO A10 power adapter, model: A10, input: 100-240V~ 40/50Hz 8W, output: 5V1A, manufacturer: Shanghai Feike Electrical Appliance Co., Ltd.
The output protocol of the charger is detected using the ChargerLAB POWER-Z KT002, and the Samsung 5V2A, DCP protocol is supported.
This shaver features a streamlined body design, full body wash, and supports IPX7 waterproofing. The front handle of the fuselage is printed with the Feike brand logo and product model, and there is a power switch button.
The handle has a built-in LED display that can display battery life, charging tips, cleaning tips, travel lock tips, etc.
There is a pop-up sideburns knife on the back and product parameters printed on the bottom.
Feike electric shaver, model: FS903, rated voltage: 5V, rated input power: 5W, charging time: 1 hour, production date: September 22, 2021.
The top is a three-dimensional floating 3-bit design, which can be used to remove the beard of each part according to the contour of the user's face.
There is a USB-C charging port at the bottom of this electric shaver.
Usb-C charging interface close-up.
The net weight of this electric shaver is about 192g.
Charge this electric shaver using an original charger, display voltage 5.18V, current 0.87A, charging power of about 4.5W.
Second, Feike electric shaver disassembly
Remove the acrylic shell on the front of the fuselage to show that there are multiple screws underneath.
Remove the assembly screws, open the housing completely, use two batteries inside, and also see the motor.
A sponge pad is attached to the two batteries, and the shell can be clamped and fixed after the shell is assembled to avoid shaking.
Take out the battery cell, the back is the main control PCB board and LED display, the main control PCB board is connected to the USB-C interface through two wires, and the upper two wires are connected to the motor.
Two FLYCO NiMH rechargeable batteries, using a series of battery packs, a single battery voltage of 1.2V, capacity of 1200mAh.
The center of the main control PCB board is a large digital display screen, and there are also inductors, buzzers, power buttons, etc.
SS34 Schottky diode.
Power button close-up.
220 inductance.
Buzzer close-up.
The back of the PCB board has a main control chip in the center.
The main control chip is developed by Feike itself, screen printed FS0801-ON, responsible for power management and various function display.
Motor close-up.
The USB-C interface is waterproof.
The Fico shaver was all disassembled.
Charging head net disassembly summary
FLYCO FS903 electric shaver is currently one of the first personal care products on the market based on USB-C interface charging, compared to the traditional 8-word charging interface, the versatility of the charger is more friendly, the most common mobile phone chargers on the market can be compatible, there is no need to worry about the razor running out of power during business trips. In addition, this product supports IPX7 waterproofing, the fuselage can be directly rinsed with water, which is very convenient to clean.
The dismantling of the charging head network found that Feike's shaver adopted two FLYCO customized nickel-metal hydride rechargeable batteries, the series voltage of 2.4V was used to power the main control PCB board, and a flyCO self-developed main control chip was adopted, with high integration and comprehensive functions.