Smart USB Multifunction Battery charger
Product introduction:
Model number: WMY-BC08
Thank you for using our company new product WMY-BC08 with invention patents, it is a portable, beautiful, original disruptive intelligent multifunctional battery charger. Can charge most of popular standard cylindrical rechargeable batteries 18650,AA,AAA, including 3.7V lithium-ion battery, 1.2V Ni-MH/Ni-CD battery, automatic identification of battery function, with over-charge protection, over discharge protection, short-circuit protection, intelligent identification of bad batteries and reverse battery detection protection functions, if load 18650 batteries ,it can be as a beautiful portable mobile power supply (5V/1A), LED emergency lighting function. This product is widely used in strong light flashlight, power tools, toys, instrumentation, digital cameras and other consumer electronic products rechargeable batteries charging and mobile power function, As a good helper for your life at home and in travel.
Warning (Precautions for using)
1. Before using, please carefully read the reference in this product manual.

2. This product can only charge rechargeable batteries, such as cylindrical lithium-ion batteries (3.7V), Ni-MH/Ni-CD batteries (1.2V), model size of cylindrical is 18650,AA,AAA.

3. Can’t charge LiFePO4 battery and can not charge disposable dry battery and other chemical-type batteries, if charging other chemical types of batteries, may lead to safety accidents or losses.

4. It is recommended to use the standard genuine mobile phone 5V/2A USB Power Adapter to power this product (power adapter recommendation 2 A, less than 2A may reduce charging time and efficiency).

5. This product testing data for reference only, the actual status please refer to professional instruments.

6. Charger charging and discharging may be hot, be careful not to scald. When stopping use, unplug the power supply,take out the battery, cover the lid, and store it cleanly.

7. This product is limited to 0-40 degrees of temperature use, to avoid products by water or near the source of fire, do not be exposed to snow or rain, in order to avoid resulting in short circuit or damage to the product.

8. Prohibit any metal objects be placed inside the product in order to avoid the internal battery short circuit.

9. If the micro charging plug is inserted in use, the LED power indicator does not blink properly, please check whether the Micro USB plug is in good contact, whether the AC power switch is connected, or whether the 5V2A USB power supply is connected.

10. It is recommended to use this product dedicated micro USB charging cable, otherwise it may cause the inability to charge properly or the charging speed will decrease.

11. Charging process, the battery slot has a battery, but the corresponding slot LED lights are not lit, please open the product cover, check whether the battery cathode hardware contact piece is dirty, if there is dirt, may lead to poor contact, please clean and then use, in addition, if the battery positive and negative pole placed reverse, the charger although there is a battery reverse protection function,However, it can also cause the LED indicator to be not lit.

12. After the battery is charged full, for the 3,4,5,6 slot, if the Ni-MH/Ni-CD battery is placed in, unplug the power supply or open the upper cover, turn on the power supply again or cover lid again, for Ni-MH/Ni-CD batteries will have a process to re-identify the battery itself is full, the battery will be 50% or 75% in the LED power indication, which is normal Ni-MH/Ni-CD batteries full of recognition process, continue to charge about 10 minutes to 30 minutes or so, the LED power indication will normally display full status.

13. Do not disassemble the charger, children must use this charger under the supervision of adults.

* New invention patented battery charger, with original invention and the latest design of the program charging circuit.

* Portable, easy to use, beautiful.

* Suitable for rechargeable batteries such as: 3.7V lithium-ion battery, 1.2V Ni-MH/Ni-CD battery, cylindrical size is  18650,AA,AAA, automatic identification of battery type function.

* with 0V voltage activation function, in the activation status, the current uses trickle type charging.

* This product does not have a battery, but 3.7V 18650 Li-ion battery can be placed in the first slot and second slot as mobile power for mobile phones, mobile phone charging and other digital products charging.

* Automatic identification of 3.7V lithium ion, Ni-MH/Ni-CD battery

* Power supply using micro USB DC 5v/2a input, six-slot independent charging and microcomputer management system

Three main functions:
* Can charge the cylindrical rechargeable battery, including 1.2V Ni-MH/Ni-CD battery,3.7v 18650 Li-ion battery, can charge   6 pcs battery in one times, such as 2 pcs of AA,2 pcs of AAA,2 pcs of 18650 Li-ion battery,

* In addition, if the first slot and the second slot placed in the 3.7V 18650 Li-ion batteries, can be as a mobile power supply to charge mobile phones and other digital electronic products charging(this product itself does not include battery.)

* With small LED lights, can be as a emergency lighting function.



Product Specifications
Input power supply:  Using DC input, the charger working power input is a standard 5V/2A (micro plug).
Charging mode and charging method: Battery charger using pulse timeshare Charging mode, the battery by timeshare charging. Automatic identification of lithium-ion (Li-ion) batteries and Ni-MH/Ni-CD batteries, and then automatic selection of the appropriate charging mode for charging
Charging cutoff Voltage: Ni-MH/Ni-CD:1.45v±0.05v;


Battery Charging Current: For different slots, the microcomputer management system automatically distributes the charging current,

1,2 slot Charging current is 1000mA Max, 3,4 slot charging current is 850mA, 5,6 slot charging current is 500mA

USB Output function: Specifies that the 1th slot, 2 slot provides output power to the USB (under the condition of loaded 18650 batteries), this product itself does not include battery.
Output is 5V/1A, USB automatic recognition output function, load 1000m A current, its port output voltage: 4.75v-5.25v.
Discharge cutoff voltage: 3.0±0.2v.
Protection function: Over charge protection,Over discharge protection, short circuit protection, intelligent identification of bad batteries and reverse battery detection protection.
LED Display charging status Red: 25% Yellow: 50% green: 75% Blue: 100%
Certification: CE,FCC,Rohs
Product New weight  130g+20g(micro cable)。
Product Dimensions: 57mm× 59mm×98mm(L/W/H)。
Compatible Battery types:
3.7V Lithium-ion battery: 18650, 14500, 10440
1.2V Ni-MH/Ni-CD battery: AA, AAA
How to use
1. How to use the battery charger function (product charging mode):

Charge the battery, press the unlock key, open the lid,  battery positive upward, battery negative downward, put battery in the battery slot, cover the lid, the charger through the micro USB cable connected to the 5V2A power supply, and then power the charger, the Led light corresponding to the battery, the battery light bright blue indicates full, charge complete, and then press the unlock key., open the lid, take out the fully charged battery, then the user can use the fully charged battery.

2. How to use the mobile power function to charge mobile phones or other digital products (product discharge mode)

In this charger USB output port plugged into the mobile phone charging cable or other digital products USB charging cable, connected to the phone or other digital products, press the Unlock key, open the lid, in the first slot and the second slot placed in the 3.7V 18650 Li-ion battery, cover the lid, 6 sets of LED indicators will instantly light, it is in normal charger self-test, After that ,Will charge the phone and other digital products, and will display 1 slots or 2 slots of 18650 battery power energy percentage. However, because the slot is not an input source for mobile power supplies, so their related LED indication does not display their power energy percentage in discharge mode.


When the electronics product load are full, the output will automatically stop, 18650 battery power indicator lights off, if you want to recharge again, please press the Power key again to activate the charger, 18650 battery power energy LED will be displayed again, and then you can charge the phone and digital products again.


3. How to use LED Emergency lighting function (product discharge mode)

Long press the power key on the panel, the LED emergency lamp will light, and then Long press the power button on the panel to turn off the LED emergency lamp.


Key function Description
1. The unlock key on the side of the cylindrical charger body

Press unlock key to open the upper cover, which can take out or placed in rechargeable batteries.

2. The Power key on the Display panel:

A. Long press power key to turn on LED lighting and long press the power key to turn off LED lighting.

B. In the product discharge mode, when the Charger 1 slot or 2 slot placed in the 18650 battery, tap the power key, you can activate the battery charger display 18650 battery power energy and USB output port output 5V1A, mobile phones and other digital products can be charging.

C. In the discharge mode of the product, when 18650 batteries are placed in the Charger 1 slot or 2 slot (the battery charger is dormant), tap the power key, the LED panel will display 18650 battery power status corresponding to the 1th and 2nd slots (the battery in 3,4,5,6 slot does not do the power display in the discharge mode),

At the same time, the USB output can output 5v/1000ma to charge the external digital production.

Display panel LED power indication function description
This cylindrical intelligent Charger Display Panel has 6 different sets of LED lamps (each set of 4 color LED lights, red, yellow and green blue), respectively, corresponding to six battery charging slot, do battery power energy percentage indication under charging mode or discharge mode

A. In the battery charging mode of this product, 6 sets of batteries will have a corresponding LED light display.

B. When this product is in the mode of charging battery, the LED indicator will display battery energy percentage for each slot battery and their charging indication, the red light represents 25% of the battery charged, The yellow light represents 50% of the battery charged, the green light represents 75% of the battery charged, and the blue light represents 100% of the battery charged ,When the LED light is in color flashes, it indicates that this battery is in this power energy percentage stage , the charger is charging it.


C. In the discharge mode of this product can be used as a mobile power supply, only 18650 of the battery as the input source of the mobile power supply, only display power energy percentage of 18650 battery in the first slot or the second slot.

D. In the discharge mode of this product, only 18650 of the battery as the input source of the mobile power supply, when the first slot or the second slot has placed in 18650 batteries, 6 sets of LED lights flash instantly ,after flashing a second and then extinguished, this is the product’s own detection process.


E. When the discharge mode of this product as a mobile power function, the LED on the display panel only display 18650 battery power energy percentage in the 1th and 2nd slot (only 18650 batteries as the input source of the mobile power supply, the other 3,4,5,6 slot battery is not used as the input source of the mobile power supply, so in the discharge mode, the display panel with its corresponding LED 3, 4,5,6 slot does not do power energy percentage display), when the 1th slot or the 2nd slot has 18650 batteries, cover the lid, LED lights in full light 1 seconds (this product itself is in self-test), display panel will display the corresponding slot 18650 battery power, when the USB output is detected connected to the corresponding load electronics product,the USB port will continue to power the electronics product until the 18650 power energy used up and the LED light on the display panel is extinguished

List of complete product parts:
Part Number QTY Remark Photo
 Charger Main body 1pcs Standard
Micro USB cable 1pcs Standard
Manual 1pcs Standard
USB Power Adapter(5V2A) 0 Optional, additional purchase required
Ni-MH Rechargeable battery (AA,AAA) 0 Optional, additional purchase required
Ni-CD Rechargeable battery (AA,AAA) 0 Optional, additional purchase required
3.7V 18650 Li-ion 0 Optional, additional purchase required
Product Parts Diagram

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