Power adapter TP-LINK 9V DC 0.85A model 3530500758 for networking devices

Replacement power adapter for TP-LINK networking devices providing 9.0 V DC at 0.85 A with a 5.5 mm x 2.1 mm barrel connector. The adapter model 3530500758 is designed as a compact indoor power supply to replace or serve as a spare for routers, access points and other small network equipment that require this voltage and current.

Advantages

The adapter supplies a stable 9V DC output at up to 0.85A and uses a common 5.5 × 2.1 mm jack, ensuring compatibility with devices that match these parameters. Its compact form factor is suitable for indoor installations and as a direct replacement for original TP-LINK model 3530500758, helping restore device power quickly.

Suitable for

• Routers that require 9V DC, 0.85A input
• Wireless access points and range extenders with a 5.5×2.1 mm barrel jack
• Small network switches and other low-power network peripherals

Key specifications

• Output voltage: 9.0 V DC
• Output current: 0.85 A
• Connector: 5.5 mm × 2.1 mm barrel jack
• Model: 3530500758
• Brand: TP-LINK

How to use

Verify that your device requires a 9V DC, 0.85A power supply and that the barrel connector size 5.5 × 2.1 mm matches the device inlet. With the device powered off, insert the adapter plug into the device power jack and connect the adapter to a suitable indoor AC mains outlet. Turn the device on and check that it powers up normally.

Usage recommendations

Use this adapter indoors only, avoid exposing it to moisture or extreme temperatures, and confirm polarity and connector fit before use. Do not modify the adapter; if it becomes hot, damaged or malfunctions, discontinue use and replace it.