DC Power Supply Lithium Battery 9V 12V to 5V 5A Step Down Buck Module 4USB Phone Charger with Shell

DC Power Supply Lithium Battery 9V 12V to 5V 5A Step Down Buck Module 4USB Phone Charger with Shell

Description:
- Input voltage: DC7-14V, recommend it to the 9V/12V battery .
- Output voltage: DC5.4V, for the 5V devices, like most of the Android phone, iOS phone and tablet PC .
- Module size: 47*42*23mm

Function:
- Input reverse protection
- Input over current protection (max 4A)
- Output over voltage protection (over 6V,stop output)
- Two 4 USB ports

Instructions:
- Charge phone MEIZU NOTE by charging cable after voltage adjusted high can be 1.5A. And it is about 0.9A when using 5V charger.
- Working stable within 5A. And continue to work above 5A that needs cooling condition.
- Main chip is IR3841, can provide loading ability that is 8A continuously. (Theory current, practical current is <=5A)

Chargin identification IC:
- RH7902  is the one that USB charging protocal port controls IC, can automatically indentify the charging devices. And match the devices through the corresponding USB charging protocal so that the devices can obtain the maximum charging current.
- Dual port controll function: Can support dual channel USB charging protocal detection at the same time. Support many USB charging protocal and the protocals can be switched automatically, including: Divider1/Divider2/Divider3 protocal (for iOS); D+/D– 1.2V mode (for Samsung); BC1.2 DCP及CTIS YD/T 1591-2009 protocal; reliable POR and LVR performance.

Package list:
- 1 x DC Power Supply