User Manual
Smart USB Multifunction Battery charger
Product introduction
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Model number
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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
