Backup battery 12V 7A for Systems Battery Brand Product and Access control Backup Power Supply

Product Quick Detail

Minimum Order
1
Place Of Origin
China
Packaging
N/A
Delivery
3 Days

https://www.s4a-access.com/12v-7a-backup-battery_p342.html

What is in a power supply?
A power supply is an electrical device that supplies electric power to an electrical load. ... All power supplies have a power input connection, which receives energy in the form of electric current from a source, and one or more power output connections that deliver current to the load.


Why do we need power supply?
One purpose of a power supply is to convert AC to DC so the computer has proper power to run its components. ... Another purpose of a power supply is to distribute proper DC voltage to each component. Several cables with connectors come out of the power supply.
  • Country: China (Mainland)
  • Business Type: Network Access Controller, Locker board, Electromagnetic lock, Standalone door Controller, Automatic door opener, etc
  • Market: North America
  • Founded Year: 2010
  • Contact: Candy Liu

S4A INDUSTRIAL CO.,LIMITED

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