Kasa HS103P4 Smart Plug Four-Pack Review

Verdict: start with a clear lamp-scheduling job

The Kasa HS103P4 four-pack is a reasonable candidate when several indoor lamps or suitable small devices would benefit from simple on/off schedules. We have not tested setup, wireless reliability, relay endurance or standby consumption. The recommendation rests on documented functions and compatibility limits.

Before buying four plugs, identify four actual jobs. A lamp with a conventional switch is easier to reason about than an appliance that needs someone to press Start after power returns. A basic timer may be enough for one fixed daily routine; app control becomes more useful when schedules or remote access are genuinely needed.

Sources: Kasa: HS103 Wi-Fi Plug Mini, TP-Link: HS103 US 3.0/5.0 user guide.

Facts: a four-pack with revision-specific ratings

Amazon identifies B07RCNB2L3 as the white HS103P4 four-pack advertised at 15 amps. TP-Link’s support page lists several hardware revisions. The US V5 datasheet states 100–120 volts, 60 Hz, 15 amps maximum and 1800 watts for general/resistive loads.

Older HS103 images still carry 12-amp language. That is why the label on the delivered plug and its matching regional hardware instructions must govern use. A product-family photograph or a newer sales title cannot increase the rating of a device you already own.

Sources: Amazon: HS103P4 white four-pack, B07RCNB2L3, TP-Link: HS103P4 hardware-version support, TP-Link: HS103 US V5.0 datasheet, Kasa: HS103 Wi-Fi Plug Mini.

Features: switching, schedules and app setup

The documented system uses 2.4 GHz Wi-Fi with the Kasa app and TP-Link account setup. It offers schedules, a timer, grouping and Away Mode; compatible Alexa and Google Assistant connections provide voice control. The button on each plug provides direct on/off control.

Our practical advice is to test one intended lamp before configuring the whole set. Check that it returns to the desired state when power is restored and that everyone at home understands which physical switches need to stay on. Give each plug a recognizable room-and-device name so remote commands do not become guesswork.

Sources: TP-Link: HS103 US V5.0 datasheet, TP-Link: HS103 US 3.0/5.0 user guide.

Research: do not rely on old integration promises

TP-Link’s July 2026 notice says IFTTT services for Tapo and Kasa end fully on August 1, 2026. That date has passed at this review’s research date. Older reviews or packaging references to that service are therefore poor evidence for a new automation plan.

Treat this as a switching purchase. The checked HS103 documentation does not establish Matter compatibility or energy-metering functionality for this bundle. If either is essential, select a model whose current specifications explicitly include it rather than relying on the shared Kasa brand.

Away Mode varies switching to suggest occupancy; it is not a security system. Remote access also depends on the relevant network and services. Consider what should happen during an outage before putting a device under remote control, and do not assume an app notification is proof of the appliance’s physical state.

Sources: TP-Link: IFTTT service termination announcement, Kasa: HS103 Wi-Fi Plug Mini, TP-Link: HS103 US 3.0/5.0 user guide.

Safety: a current rating is not universal appliance approval

TP-Link warns that high-power motor-driven loads can draw excessive startup current. Match both the exact plug rating and the intended load type; do not apply the 1800-watt resistive figure to every motor or appliance. Ask TP-Link about uncertain compatibility rather than guessing from steady-state watts.

For this buying guide, low-consequence lamp switching is the preferred use. Do not use a plug as a medical-device control, essential uninterrupted-power switch or a reason to run heaters and cooking appliances unattended. The appliance’s own restrictions on timers and remote switching also apply.

The manual specifies indoor use, accessible outlets and separation from water, fire, humidity and hot conditions. It prohibits disassembly and stacking pass-through devices into one another. Two plugs in separate receptacles of a duplex outlet are different from daisy-chaining them. Inspect fit, keep cords clear of damage and maintain access to disconnect power.

Check the hardware version before using a manual or firmware release. Keep the app and supported firmware updated, use a strong account password and avoid sharing account credentials. No measured cybersecurity guarantee is made here.

Sources: TP-Link: supported smart-plug loads, TP-Link: HS103 US 3.0/5.0 user guide, TP-Link: HS103P4 hardware-version support.

Buying: confirm the bundle and the intended appliances

Confirm HS103P4, four white plugs and the regional mains format. Check that your router offers compatible 2.4 GHz access where each plug will sit. Validate each appliance’s restart behavior and approved load type before committing to the full setup.

Review the current seller, total, returns and delivery on the linked offer. Look beyond per-plug price: an unused four-pack is not better value than the right number of suitable controls. Verify the delivered labels before operation; no live price or availability promise is made here.

Sources: Amazon: HS103P4 white four-pack, B07RCNB2L3, TP-Link: HS103P4 hardware-version support, TP-Link: HS103 US V5.0 datasheet.

Questions: Wi-Fi, ratings and integrations

Sources: Kasa: HS103 Wi-Fi Plug Mini, TP-Link: HS103 US V5.0 datasheet, TP-Link: HS103P4 hardware-version support, TP-Link: HS103 US 3.0/5.0 user guide, TP-Link: IFTTT service termination announcement.