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TP-Link Kasa Smart Plug Slim Energy Monitoring (KP115) $22.46 + Post ($0 Prime/ $39+) @ Amazon AU/ $0 C&C @ The Good Guys

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Price has recently dropped on this popular smart plug. 74¢ cheaper than the previous Amazon deal. Price matching The Good Guys

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  • +1

    None available at my nearest tgg 😔

  • +2

    Love them. Use it on my dryer and also pool pump. Works great.

    • +1

      How do you use it on the dryer? Just to check energy or do you leave it on and then restart?

      • +1

        Mainly as usage monitoring … see trends and approx costings etc.

        • How do you track usage? Does it store it somewhere? The Amazon reviews say it only shows live data

          • @onlinepred: Kasa app I think

            Edit: Someone else said Home Assistant will record a lot more detail and for longer.

          • +1

            @onlinepred: The Kasa app shows you some historical data, but it's a total or aggregate figure only (i.e. Daily Average consumption, Today's total consumption, Past 7 Days total consumption, Past 30 Days total consumption and daily average). It does not store anything past the last 30 days.

            Unfortunately there's no historical charting or anything like that where you can see power consumption trends over time etc.

            It does show Current Power if you're interested in actual instantaneous power draw, though it's a little slow to respond so it's not quite as precise as a Power-Mate Lite, for example.

      • +13

        Yep, use it on the wife's hair straightener.

        No more do I go to work and get a text from her saying ' I think I left the hair straightener on!!'

        • +3

          I love this idea!

        • Most modern straighteners usually have an auto shut off feature if left on after x amount of minutes but it's a good solution for peace of mind.

  • -4

    Can't think of any other reasons for this apartment from lamps.

    • +4

      I think you should probably put something other than lamps in your apartment. Maybe a bed?

    • I use mine for a lot of lighting
      Computers
      Pool pump
      Some annoyingly hard to reach devices
      Pool music
      Heated dog blanket
      Baby monitors
      Hair straightener :)

    • Desk fan, kettle, electric blanket.

    • +1

      Turn things on when excess solar

      • +1

        Is this automated? How?

        • Still WIP but yes, there is a python library for these plugs, and quite a few ways to get battery voltage (my BMS has Bluetooth)

  • +2

    Same price on Amazon

  • How detailed is the consumption data?

    • +4

      In the App
      Today:
      Current Power (in W)
      Total Consumption (in kWh)
      Past 7 days (and Past 30 days):
      Daily Average (in kWh)
      Total Consumption (in kWh)

      If you're using Home Assistant, a lot more.

      • The HS110s poll every 10s (into Home Assistant at least), so hopefully similar for these.

  • +4

    Hey, could it be uses to power cycle a modem/router or does it need internet access to turn back on?

    If there is a power failure and power is resumed does it restore to the state it was in when the power was turned off?

    Finally is there a timer function that still works when the internet is not connected?

    • +2

      these work off wifi, so turning it off would indeed turn off the modem/router, but wouldnt be able to turn it back on.

      Power failure would resume back to the same state it was in, there are always those odd moments that you may need to flip it on and off at the power switch

      Not sure on the timer function.

      I personally use the arlec smart plugs (via the grid connect app) - the 4 pack from bunnings

      • +9

        My experience with these:

        1. Yes, you can power cycle a modem/router by setting up a timer. It does not need the Internet to turn back on once you have programmed it trough the app as the timer settings are stored locally on the plug. If you tell it to turn off the power to the modem at 12am and back on at 12:10am it will do that no problems. So previous post is incorrect.
        2. Yes, it returns to the state it was in when the power was turned off.
        3. Yes - see above. The timer settings are stored on the plug and it will happily switch power on and off at the designated time without an Internet connection. The only think you can't do without the Internet is turn it on/off using the app on your phone.
    • +1

      Yes I’ve used it to do this. I used the schedule feature to set a time on and time off for my modem and it worked great. Doesn’t require internet connection.

      Not sure about the power failure if it remembers it’s last state.

  • +1

    Not HomeKit compatible.

    • +2

      If you run homebridge, you can bring in Kasa smart plugs into the Home App.

      • +2

        Would rather pay a bit extra for natively compatible plug than need to rely on Homebridge for the rest of my life. If I died then whoever inherited my junk isn't going to bother learning about Homebridge.

        • +5

          That's some serious forward-thinking. I know plenty of peeps into automation, not sure how many have considering said automation in their estate planning!

          • +1

            @WhyAmICommenting: Well it doesn't apply to me because I'm never going to die, but for everyone else it's something worth thinking about if you share your smart home with others.

        • +1

          I have Homebridge set up on an old Mac Mini. A little involved but once it's done, the TP-Link devices work like a charm.

          If you want an out of the box solution, look into Hoobs.

          The only other Homekit smart plug (for AU) is made by Meross. But they are bulky and block adjacent powerpoints.

        • Homebridge is more likely to outlast the alternatives.

      • I don't know any smart adapters that monitor usage because I've not looked up any, but I did buy a four pack of Meross adapters that are HomeKit compatible and worked out about the same price, from an OZB deal, probably Amazon.

      • KP125 is HomeKit comparable but so far only a US version. I’d been waiting for the KP125 to come out locally but get setup with home assistant in the last few months and it’s far superior to HomeKit so happy enough to use these ones.

      • Eve plugs are.
        It may be a little too large for some sockets AND it’s only 8A.

        • Eve Energy is a weird one. It now supports Thread instead of Wi-Fi which is a much better choice for a device like that. It integrates with HomeKit and is likely to get a Matter upgrade.

          But it is FREAKING EXPENSIVE and it is indeed only 8A which is not ok for an expensive product.

    • I know it's not the same thing as native Homekit integration but I create an ios Shortcut to invoke a Hey Google command.

  • +4

    Do these offer anything better than the Arlec Gridconnect ones from Bunnings which are cheaper?

    https://www.bunnings.com.au/arlec-white-grid-connect-smart-p…

    • +1

      These are the ones I bought and happy so far

      Bunnings sell these in a four pack

      • +3

        Same here. Purchased a 4 pack the other day for $65, works with Google and Alexa, working well so far. Plus they are also slimline so they don't block other outlets and they give you energy usage stats.

    • Do the GridConnect ones block adjacent plugs in a double outlet/powerboard?

      • Slim space-saving design enables two adaptors to be used side-by-side in standard power points

  • whats the difference to Tapo P110?

    • +2

      Energy monitoring feature

      • I thought 110 has energy monitoring feature too.

    • Anecdotally, Tapo is a cheaper version of Kasa. For the end user but, unlikely to be any real difference. They may poll less often, be less accurate, etc; but that is an assumption made on the anecdotal "cheap"-ness of the Tapo compared with the Kasa.

  • Do they have 2 or 3 prongs, only looks like 2 in the picture. so wouldn't be good for alot of appliances.

    • I'm 99% sure it's earthed, you can't see the earth pin at that angle because it's more central.

    • +3

      Would be non compliant if it didn't have the earth matching the socket.

    • I've got plenty of these, they have 3 prongs

  • Be waiting for this. Limit 5 per customer? Dang it.

    • Separate orders?

  • Would this not be because they're phasing Kasa out to move to Tapo?

  • Bugger, Just bought two yesterday :(

  • +1

    Anyone using these with home assistant?

    Good integration?

    How responsive and frequent is the power data? I'm mostly using Xiaomi/Aqara ones that are a little slow at reporting power.

    • +3

      i have a couple set up with home assistant. works pretty well.

    • +2

      As bonechiller said, they work great.
      They update every like 5 seconds, power on/off is within a second.
      I love them in Energy Monitoring too, being able to see how much power your device has used across variable time periods is super handy.

      • +1

        I couldn’t see a clear answer online, any idea if these work with home assistant locally as well? (Ie if not connected to internet)

    • As an alternative, I use the Athom plugs with ESPhome and HA. They cost about $22 with shipping from the official "athom global Store" on Aliexpress. I've got one on the washing machine and it hasn't tripped so I guess it can handle decent current draw.

  • Thanks Op. bought one.

    I seem to recall I bought from Bunnings the exact same ones for $19 a pop but Bunnings doesnt seem to sell them anymore.

  • I'm struggling to understand the Kasa vs Tapo product in the TP Link lineup.

    I keep hearing they will be merged into the same app at some point? Or has that happened already?

  • +2

    I use both Kasa and Tapo. The biggest difference is that Kasa does not have device sharing whereas Tapo does. With Kasa you have to give your account details to another person whereas with Tapo you can just allow another person's account to control specific devices. The Tapo app allows you to use Amazon Alexa, Google Assistant, and Apple Home Kit. The Kasa app doesn't. If you have an iPhone then you can download the free Watt app. The Watt app provides the same energy tracking for the Kasa and the Tapo i.e. weekly, monthly, yearly history. The Kasa native app doesn't allow you to look at the daily consumption history but the Watt app can extract and display that history. If you change the password on your Tapo app then it also changes it for the Kasa app so the servers are connected at TP Link. I'm hoping that TP Link will integrate Kasa and Tapo into one app. The biggest problem that I had was that I couldn't share device control using Kasa.

    • Kasa can be integrated into Google Home though?

    • Thanks for that write up. I hadn't heard of the Watt app before - downloaded - blown away - just what I've been after!

  • +2

    Bing Lee on EBay sells the Tapo P110 with energy monitoring for $24. That's cheaper than at JB Hi Fi. Amazon doesn't sell the energy monitoring one for some reason. JB will price match. Can click and collect or delivery for $6. Link: https://www.ebay.com.au/itm/165500868991

  • I know you shouldn’t use these on space heaters, is there anything else that it’s not a good idea to use them with?

    • Why not?

      I use mine with a space heater. Doesn't exceed the 10A.

        • Maximum load is 2.3KW for 230V at 10A. I use them for space heaters and washing machine (mine heats water with electricity). They don't catch fire, they don't get hot, they don't miss a beat. I actually use the Kasa ones for high power draw devices because my Xiaomi smart plugs went into overload protection and shut off for the washing machine.

        • So does the video basically say that your breaker won't trip fast enough to prevent your smart meter getting hot.

          But that assumes you are overloading it right? So I'm not quite on board yet assuming you don't draw more then the rated 10A.

  • +1

    Showing as $29 on Amazon

    • $22.46 on the app Full price now

  • Amazon shows $29.95 for me

    • $22.46 on the app Full price now

  • Anyone tried the Lenovo smear plugs instead? The 2 pack is $19 on TGG
    https://www.thegoodguys.com.au/lenovo-smart-plug-2-pack-zg38…

    • +1

      Do not recommend.

      Have gone through 3 different apps (Lenovo —> Lenovo-Link —> Lenovo Link Pro) with them and each one was a complete pain in the ass detecting the plug, with the newest now not detecting the plug. Moved from Lenovo to TP-Link.

    • do they have Energy Monitoring?

  • $22 from Goodguys commercial

  • +1

    Is there a way for these to show hourly breakdown? I have a few Tuya (eko from big w) ones but they tuya app only shows daily totals & current draw. Quite annoying when i want to be seeing the different times of day are having what power draw.

    • +1

      Connect them up to home assistant probably only option

      • Thanks, i'll have to read up never used it.

        • +1

          Can be a bit complicated, hardest part I had was people have a tendency to only half explain how to do something on their GitHub etc. I’m time poor with kids though so if you have lots of time to sit and read and read probably not as hard as it was initially for me.

          • @EvilOverLord: Haha, zero appetite for that mate. I have a NAS so maybe easy to run on that, not sure. I just want to see hourly segregation for the smart power plugs. I couldn't care less about most aspects of home automation other than automatically turning christmas lights on/off which already do stock tuya.

  • +1

    any ZigBee energy monitoring smart plugs?

    • +1

      Xiaomi smart plug has energy monitoring is Zigbee. Cheap. You need to use the hub. Can't handle more than 2000W so space heaters and washing machines will trigger the overheat shut off.

  • +5

    They need to get these things down to $10.

  • Is there any way to link these to remote switches similar to IKEA Tradfri?
    Or does anyone know a brand that can measure power and can be linked to a remote switch?
    I use the IKEA ones mainly because they are so easy to turn on/off with a remote switch, which I blu-tack to the wall

    • Do you run anything like home assistant? Would be easy with an automation in HA.

      • I don't use home assistant - I prefer something that works out of the box really.
        That's why I use IKEA at the moment, but keen to try better options if they exist and work out of the box

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