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Black compact wall-plug surge protector with single outlet and two LED indicator lights

Monoprice Inc.

Monoprice 115877 1-Outlet Portable Mini Surge Protector 540 Joules Black

SKU CH-SE0V-C13QE

A compact single-outlet surge protector rated at 540 joules with LED grounding and protection indicators for travel use

  • Features1 outlet portable Mini surge protector: perfect travel compa
  • Protects laptops and projectors with 540 joules surge absorption
  • Compact single-outlet design plugs directly into any wall socket
  • LED shows grounded status and active protection at a glance
  • Clamping voltage rated at 50 volts for fast response
  • New condition unit ready for immediate travel use

Travel Surge Protection

The Monoprice 115877 is a single-outlet portable mini surge protector rated at 540 joules. It plugs directly into an AC wall outlet to safeguard laptops, projectors, or mobile devices while travelling. LED indicators confirm a properly grounded connection and active surge protection status. Its compact black design makes it a practical companion for protecting gear on the road.

Sustained Surge Handling

The 540 joule rating represents the total energy the unit can absorb over its lifetime rather than a single-event capacity. Under sustained load from repeated spikes or AC contamination, the protective components degrade progressively. The protected LED will extinguish once the joule capacity is exhausted, signalling that the outlet no longer suppresses surges. Clamping voltage is specified at 50 volts.

540 Joule Rating

This energy rating is the single specification that determines whether the protector suits your equipment. Devices with sensitive switch-mode power supplies benefit from the higher absorption capacity during storms or unstable hotel wiring. Buyers needing multiple outlets or a higher joule rating for whole workstation coverage should select a larger strip model. The direct-plug format also blocks the adjacent wall socket.

Highlights

  • Protects laptops and projectors with 540 joules surge absorption
  • Compact single-outlet design plugs directly into any wall socket
  • LED shows grounded status and active protection at a glance
  • Clamping voltage rated at 50 volts for fast response
  • New condition unit ready for immediate travel use

Specifications

BrandMonoprice
Model115877
Part Number115877
Features1 outlet portable Mini surge protector: perfect travel companion to protect your laptop, Projector, or mobile device.

Questions about this item

Does the Monoprice 115877 generate heat or noise when left plugged in all day?

The 115877 is a passive surge protector with no fan or moving parts, so it runs silently and produces no measurable heat during continuous use.

What must I already own for the 115877 to protect my laptop?

You need a standard grounded AC wall outlet and a device with a compatible plug; the unit provides a single protected outlet rated at 540 joules with a 50 V clamping voltage.

Will the 115877 work alongside an older power strip I already use?

Yes, plug the 115877 into any grounded wall outlet or into a power strip that supplies a grounded connection; its LED indicators will confirm proper grounding and protection status.

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