Hộp đựng pin 8.4V 4 pin 18650 chống thấm nước cho điện thoại thông minh

Giới thiệu Hộp đựng pin 8.4V 4 pin 18650 chống thấm nước cho điện thoại thông minh

#8.4V #Waterproof #USB #4x #18650 #Battery #Storage #Case #Box #For #Bike #LED #Smart #Phone
8.4V Waterproof USB 4x 18650 Battery Storage Case Box For Bike LED Smart Phone
Description:

Features:
100% brand new and high quality.
DC 5.5x2.1mm interface has input and output functions.
DC 5.5x2.1mm port for DC 8.4V LED Light or other devices
USB 5V Port for Charging Smart phone GPS Tablet PC or 5V LED Light and more,USB port only for output.
18650 Battery pack box:upgrading in traditional 18650 8.4V lithium battery group basis(Please use the same capacity batteries for installation)
Improve replacement battery pack inconvenient shortcomings,greatly facilitate the users of the battery pack DIY requirements.
No Battery, Only Power Bank Case.
18650 batteries are not included in the package, you need to purchase separately.
Power supply:you can use 18650 rechargeable lithium battery as a power source.
The output side:USB and DC dual output power supply function,DC output voltage is 8.4V(can power the 8.4V device,such as the bike light),USB output voltage is 5V(can power the cellphone and other 5V device),to meet a wider usage scenarios,the product comes with overcharge and over discharge protection,protection of the battery is more safe and sustainable,overcharge,overcurrent protection functions.
Magic strap to make installation more convenient and faster.


Specification:
Material:Plastic+metal
Color:Black
Input Voltage:DC 8.4V
Output Voltage: DC Port 8.4V
USB Output Voltage:DC 5V
USB Output Current: 1000-2100mA
Standby current Under 75μA
Waterproof grade is IP67.
Size: 9x4.8x4.5cm
Power cable length: 27cm
Magic strap length: 52cm
18650 Batteries are not Included

Note
Please put in battery in a right way.
Charge it when power indicator light flashes.
Don't use the device in the water. Waterproof standard is IP67.

Package includes:
1x Waterproof 4x 18650 battery box case.(without 18650 battery )
Giá COFI