KnowSpec.comIndependent product intelligence
Amazon US · ASIN B091FXLMS8

Kasa Smart Plug Ultra Mini 15A, EP10P4, Smart Home Wi-Fi Outlet

The compact housing and documented Alexa, Google Assistant and SmartThings support suit US households seeking scheduled switching. HomeKit and energy metering remain meaningful exclusions. A local API test establishes a possible integration path, but its unspecified firmware cannot promise the same result on every purchased unit. Check the 100-120 VAC requirement and the manual's appliance-specific limits before treating the general 15 A rating as sufficient.

Updated 2026-10-08

Kasa Smart Plug Ultra Mini 15A EP10 front view showing power button and outlet socket
Available at Amazon

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Prices and sellers

No price information yet

Conditions and limitations

US supply and load limits

Manufacturer stated

Capability
Switch a load within the documented US electrical conditions.
Limitations
  • 1800 W is a general resistive-load rating.
  • The general rating does not replace load-specific guidance.
Requirements
  • 100-120 VAC supply.
  • Follow appliance-specific limits.

country: US · variant: EP10P4

TP-Link · TP-Link

US electrical and appliance-specific conditions documented; purchased hardware and firmware unspecified.

Compatibility

Official platform support and attributed local test captured; no current firmware-specific interoperability matrix.

Official platform support and attributed local test captured; no current firmware-specific interoperability matrix.

Where sources differ

Manual runtime instructions and review energy-metering exclusion are distinguished; no physical energy-accuracy test found.

Manual runtime instructions and review energy-metering exclusion are distinguished; no physical energy-accuracy test found.

Reported issues and fixes

Issue and firmware reports explored, but key snapshots were robots-denied; no exact-revision defect or fix asserted.

Issue and firmware reports explored, but key snapshots were robots-denied; no exact-revision defect or fix asserted.

Care and support

Current manufacturer page and US manual captured. Firmware notes snapshot denied; no support-end date or repair promise asserted.

Current manufacturer page and US manual captured. Firmware notes snapshot denied; no support-end date or repair promise asserted.

Who it suits

Choose compact switching for compatible loads

Manufacturer stated · Published source

Check before buying
  • Check outlet clearance.
  • Check 2.4GHz Wi-Fi.
  • Check voltage and appliance limits.
  • Verify third-party integration on the actual firmware.
Constraints
  • Documented platforms and US electrical conditions.
Needs
  • Scheduled switching.
  • Keep the adjacent socket usable.
Reason
Useful for documented switching functions when outlet clearance, electrical supply and the intended load match the guidance. Missing metering or native HomeKit should rule it out when those are essential.
Tradeoffs
  • Compact switching lacks native HomeKit and energy metering.
  • Local API test firmware is unspecified.
Assessment
conditional

country: US · variant: EP10P4

TP-Link · Smashing Robotics · Kiddo of Speed · TP-Link · Kasa Smart

Fit, platforms and load limits inform the decision; current firmware-specific integration remains unknown.

Areas not yet researched (1)

No conclusion is available for these areas. This does not mean the Product has no limitations or reported issues.

  • Ownership costs

Measured performance

Setup duration

90 s

Reviewer timed Kasa app setup. · Kiddo of Speed reported EP10P4 app setup; router, hardware revision, firmware and repeated-trial count were not specified. This timing excludes the separately described Google Home linking step.

Source [5]

Local poll toggle duration

0.18 s

Reviewer polled and toggled through python-kasa. · Smashing Robotics reported about 180ms for its EP10P4 local test. Hardware revision, firmware, network conditions and repeated-trial count were unspecified; this is not a cloud or voice-response benchmark.

Source [1]

Buyer questions

Before you buy

Will it block the adjacent outlet?

Kasa describes a compact housing that allows plugs to be stacked in the same outlet. Check your wall plate and neighboring adapter clearance rather than assuming every installation will fit. [4]

Does the 15 A rating cover every appliance?

No blanket conclusion follows from that number. The datasheet qualifies 1800 W for general resistive loads; the manual lists heater 1500 W, toaster 850 W, humidifier 260 W, tower fan 50 W and iron 1500 W limits. Check the intended appliance against its applicable guidance. [2], [3]

Compatibility

Which voice platforms are supported?

TP-Link lists Alexa, Google Assistant, and Samsung SmartThings compatibility. [2]

Does it support Apple HomeKit?

The EP10P4 review reports no native Apple HomeKit support. Choose a model with documented native support if Apple Home is a requirement. [5]

Setup

What is required for setup?

Use the Kasa Smart app and log in or sign up with a TP-Link ID on a 2.4GHz Wi-Fi network. A reviewer reported 90 seconds for app setup, but that is an observation from an unspecified test environment, not a universal timing promise. [3], [5]

Limitations

Does it monitor energy use?

No. The reviewed EP10P4 does not include energy monitoring. [5]

Kasa Smart Plug Ultra Mini 15A EP10 front view showing power button and outlet socket
Kasa Smart Plug Ultra Mini EP10 Wi-Fi smart outlet front viewImage source: TP-Link

Facts and specifications

Manufacturer datasheet

SpecificationValueSource
CertificationRoHS, FCC, IC, and UL US[2]
CompatibilityAmazon Alexa, Google Assistant, and Samsung SmartThings US[2]
Form FactorCompact design allows plugs to be stacked in the same outlet. US[4]
Interface2.4GHz Wi-Fi only US; Schedules can turn plugs on and off at chosen times. US[2]
Maximum Current15 A US[2]
Power1800 W US[2]
Voltage120 V US[2]

Manufacturer manual

SpecificationValueSource
InterfaceA countdown timer switches the plug on or off when the selected time ends. US; The manual's usage screen instructs the user to check runtime. US[3]
LimitationManual supported-load limits: heater 1500 W, toaster 850 W, humidifier 260 W, tower fan 50 W, iron 1500 W. US[3]
Setup RequirementKasa Smart app setup requires logging in or signing up with a TP-Link ID. US[3]

Stated by reviewers

SpecificationValueSource
InterfaceSmashing Robotics reported local polling and switching through python-kasa; tested firmware was unspecified. US[1]
LimitationThe EP10P4 review reports no native Apple HomeKit support. US[5]

Other facts

SpecificationValueSource
Buyer FitCrowded indoor outlets where adjacent sockets should remain usable. US[1]
LimitationEnergy monitoring is absent. US[5]

Data: JSON · CSV

KnowSpec analysis

Choose by outlet fit, ecosystem and load

The compact housing and documented Alexa, Google Assistant and SmartThings support suit US households seeking scheduled switching. HomeKit and energy metering remain meaningful exclusions. A local API test establishes a possible integration path, but its unspecified firmware cannot promise the same result on every purchased unit. Check the 100-120 VAC requirement and the manual's appliance-specific limits before treating the general 15 A rating as sufficient.

Method: Synthesis of manufacturer documentation and attributed independent EP10/EP10P4 observations.

Visible information gaps

Missing information is shown rather than guessed.

  • Topic:Wifi Vs Thread Range Behaviornot found
  • Topic:Outdoor Weather Ratingnot found
  • Topic:Value Per Plugnot found
  • Topic:Homekit Alexa Google Compatibilitynot found
  • Topic:Privacy Cloud Dependencenot found
  • Topic:Firmware Update Supportnot found
  • Topic:Matter Thread Setup Reliabilitynot found

Sources and method

  1. Best Smart Plugs Tested and ReviewedSmashing Robotics · retrieved 2026-09-27Editorial review
  2. Kasa Smart Wi-Fi Plug Mini EP10 DatasheetTP-Link · retrieved 2026-09-27DatasheetPDF
  3. EP10 US User Guide REV1.1.0TP-Link · retrieved 2026-10-08ManualPDF
  4. Kasa Smart Wi-Fi Plug Mini EP10 / EP10P4Kasa Smart · retrieved 2026-10-08Manufacturer
  5. Best Smart Plugs for Home AutomationKiddo of Speed · retrieved 2026-09-27Editorial review
  6. The Best Smart PlugsGold Tested · retrieved 2026-10-08Lab review
Updated: 2026-10-08 · Research accepted 2026-10-08Method: document and public-data analysis by an authorised research Agent with deterministic KnowSpec validation. No physical testing unless a section says otherwise. Missing or conflicting evidence stays visible instead of being guessed.