Best Power Monitors 2025

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Last Updated - 26.07.2025

Best Choice

01

Shelly

Shelly Home Relay Pro 3EM WLAN Power Meter 3 x 120 A including 3 clamps measuring function

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37% Off
9.8

Exceptional

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Shelly Home Relay Pro 3EM WLAN Power Meter 3 x 120 A including 3 clamps measuring function

89,69 € 142,68 €(37% Off off)
02

CSL-Computer

CSL-Computer Electricity Cost Meter with Cable Extension and Electricity Cost Monitor, Date, Time, Cost, CO2 Settings, 3680W

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9.7

Exceptional

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Use: Convenient consumption measurement and calculation of the energy consumption and costs of your connected devices (such as computers, game consoles, printers, TVs, set-top boxes, routers, hi-fi system, DVD/Blu-ray player or espresso machines) / helps to effectively save electricity and money / reliably determines the power consumption of electronic devices in the home and office / ideal for measurements of standby consumption | use. Interior (Indoor) Cable extension (the values can be easily measured even in difficult to reach areas
Remote cable length: approx. 150 cm | dimensions: plug socket: H (125 mm) x W (60 mm) x L (77 mm) / remote: H (81 mm) x W (70.5 mm) x L (21 mm) | colour: white | weight: 280 g | box contents: Arendo power meter energy cost meter including cable extension + instruction manual (German)
Model name: Arendo Power Meter Energy Cost Meter / Power Consumption Meter / Energy Cost Meter | Includes Cable Extension | 302717
Features: data storage (battery operated) in the event of a power failure | suitable for wall mounting | with child protection lock | displays: consumption, costs, time | button functions: MODE, UP, TOTAL, SET, RESET | Date/time/cost/CO2 settings | Safety note: Do not plug in one after the other. / Voltage-free only when the plug is pulled out. For indoor use only
Electrical voltage: 230 V AC 50 Hz | maximum current: 16 A | maximum power: 3680 W | power supply data memory: 3.6 V Ni-MH / 40 mAh | accuracy: +/-2% | resolution: 1 V (voltage) / 0.001 A (displayed current) | measuring range: 0.1 - 3680 W | input and output: 1 x type C. F CEE 7/4 plugs + 1 x type C/F CEE 7/3 socket | chipset: Holtek HT46R065 with 12-bit ADC | working temperature: 0°C - 40°C

19,85 €
03

MECHEER

Electricity Meter for Socket, Power Meter Socket, 8 Modes Power Meter Socket, Energy Cost Meter, Backlight Large LCD KWH Watt Energy Meter, Power Meter Socket

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20% Off
9.6

Exceptional

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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What you will receive: The box contents include an electric meter 230 V power consumption measurement and an instruction manual (English language not guaranteed). If you have any concerns about the electricity meter for socket ammeter, please feel free to contact us. - If you lose the printed manual, you can also contact us at any time for a PDF version.
Versatile power consumption meter: Kwh counter socket measures washing machines, dryers, microwaves, humidifiers, fireplaces etc., and helps to find electric thieves to save energy and money. Please note: If the load power of the device is lower than 0.5 W (e.g. in standby mode), the socket current measurement cannot detect the power consumption. Therefore, it is normal that the kWh displayed on the feed meter for socket sometimes no longer counts when the compressor is not running.
Reset button: ‘M’ button to reset the data, no tools required. Unlike other power meter for the socket with a reset tool for resetting and the risk of them getting stuck in the hole, our newly designed socket electricity meter can be easily reset. Simply press the ‘M’ button for 5s to clear all data (including price), or press the ‘M’ and ‘SET’ buttons at the same time for 3s to erase only the cumulative data.
Quick Settings: To quickly enter mode 7, the price setting mode, you can press the SET button of the electricity cost meter for 3 seconds. Use the UP button to set the desired number and the M button to select the place you want to set. Finally, press the SET button again to save your settings. A good alternative to digital timer, electricity meter for balcony power plant, electricity meter for balcony power plant.
Overload warning: 3680 W overload threshold to protect your household appliances from short circuits. The ‘Overload’ symbol and the backlight screen continue to flash when the charging power of the device you measured exceeds 3680 W. In this case, please interrupt the power supply of the consumption meter socket. Note: The currency unit (€) and the security threshold of the intermediate meter current have been set in advance.
New design electricity meter socket with 8 monitoring modes: Power consumption meter watt meter with 8 modes to measure power, total current (kWh), voltage, frequency, current and power factor of your household appliance, which meets most of your power measurement requirements. This watt meter power meter is a great energy and money saving aid to protect the earth and lower your bills. A great measuring device for your home.
Memory function: No battery required, the last data (price, overload threshold, kWh, cost) can be automatically stored if the power consumption meter suffers a power failure. This makes it a reliable and practical power meter socket for all your devices. Note: The current data including power, voltage, frequency, current and power factor are not stored. A better choice than electric meter with battery, such as B. Timer.
Large LCD screen: Designed with a user-friendly large screen of 60 x 47 cm. The screen of the electricity meter consumption meter energy meter is large enough, clear and easy to read, this makes it suitable for people with visual impairment or the elderly. It is a great gift for your grandpa to help him recognise high consumption devices and save money.
Easy to use: Newcomer to the market. Our energy meter socket is compact and easy to use with only 3 buttons, but meets most of your daily measurement requirements, while other energy cost meter sockets on the market have 4 buttons and a reset hole whose operation is too complicated, and the reset pin can always cause the button to get stuck in the hole and the sockets power consumption meter becomes unusable.
Clear white backlight: Redesigned power meter for sockets with switchable backlight for use day and night. You can turn it off manually at any time by pressing the ‘UP’ button. Compared to most wattmetres without backlight or power meters with blue backlight and black digits, our socket with electricity meter is easy to read and more comfortable for the eyes. Backlight time: 10 minutes.

10,88 € 13,60 €(20% Off off)
Value for Money

04

REV

Rev Ritter 0025810112 Energy Meter Compact, White

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33% Off
9.3

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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The energy meter has an easy-to-read LCD display, which is self-explanatory and easy to use.
Simple and intuitive operation.
Measures energy consumption (kWh)| With an accuracy of <= 1% ± / kWh; <= 2% ± / W | The following values you can read from your measuring device (kWh): The total amount of electrical power picked up during the measurement period. | W: The current output. | T: The elapsed measurement time.
In the event of a power failure, your data is automatically saved.
Energy meter for all plug-in devices.

11,95 € 17,99 €(33% Off off)
05

MECHEER

Electricity Meter for Socket, 8 Modes, Ammeter, Energy Cost Meter, Power Meter, Watt Meter, Kwh Meter with Usage Time, Power Meter with Backlight

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9.1

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Various monitoring parameters: the socket can monitor the power (W), energy (kWh), volts, amps, hertz, power factor, cost, minimum and maximum (W), cumulative days and time of your devices. By switching 8 display modes, you can easily know the different parameters during the operation of the device. The electricity meter can also calculate and show how much electricity your devices use and how much electricity bill it costs in the cumulative time.
Premium material: The entire body of our wattage meter is made of high-quality PC material, which makes our electricity meter socket more durable. The standard DE socket and the plug are suitable for all DE standard devices.
Overload protection: the standard overcharge power is 3680 W. When the power of the device exceeds the overcharge power, the LCD displays "overload" and emits a "beep" to warn the user. All buttons lose their function and can only be reactivated once the overload alarm has been fixed by increasing the setting value or removing the device.
KWH alarm settings: you can set a power consumption limit and when the accumulated power consumption reaches the set value, the kwh meter socket will output a "beep" stronger, and the "KWH" arm flashes continuously to alert the user. If you want to silence the alarm, you can set a higher power consumption limit or reset the power consumption limit (Note: reset will clear all settings).
Data storage function: the socket tester will record your power consumption data when you remove the ammeter socket from the socket or remove devices from the socket electricity meter. All setting data and cumulative data (electricity quantity, cost, unit price) are stored. You can see the last data directly the next time you use the energy meter (without current, voltage, power, power factors). This function can also automatically save the data when there is a sudden power failure.
Backlight: With white backlight and black numbers, the LCD display of our power consumption meter socket can display the data clearer and help you read the data that is easier day and night. The backlight only lights up when the ammeter is connected to AC connection. You can set the time for the screen to turn off automatically or press the "Down" button to manually turn the backlight on and off.
Adjustable backlight time: Our electricity meter socket has 5 options for backlight. The default backlight time is 10 minutes (bL-0). If you want to change the backlight time, you press the "Up" and "Down" button at the same time to enter the background time setting, and then press "Up" and "Down" to select the backlight time (bL-0 =10 minutes, bL-1=1 hour, bL-2=4 hours, bL-3=8 hours, bL-4=Always off), finally press the "Set to set the backlight time settings.

12,88 €
06

NOVKIT

NOVKIT Power Meter for Socket, Energy Cost Meter, Power Consumption Meter with Memory Function (230 V / 16 A / 3680 W) (1)

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17% Off
9.0

Excellent

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

User-friendly: Large display for clear digits display; with the MODE / SET buttons, you can easily set electricity prices and view monitoring data.
Memory function: after a power failure or unplugging the electricity meter, it still stores the measurement data and the set electricity price.
ENERGY SAVING & ENVIRONMENTAL PROTECTION This NOVKIT Digital Energy Cost Meter measures power consumption and calculates the total energy cost based on the electricity price you set; find out about every penny of electricity costs.
BUY WITH CONFIDENCE: Safety tested (GS mark), CE approved; we provide lifetime customer service for every electricity meter.
All data at a glance: to measure voltage(V), power(W) and power consumption (KWh), it helps to better understand the power consumption of devices and make energy-saving decisions.

8,95 € 10,86 €(17% Off off)
07

Offgridtec

Offgridtec Electricity Meter for Socket, PV Meter for Balcony Power Plant, Real-time Power Measurement, Inlet Measurement, Energy Monitor, Max Load: 16 A 3680 W, LCD Display, Precise Power Measurement

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8.9

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

Versatile use: perfect for mini solar systems and household appliances. The PV meter not only shows the power input, but also the consumption of connected devices - for complete energy monitoring.
Precise power measurement: reliably record the energy consumption and the feed of your balcony power plant. The electricity meter measures voltage, current, power and consumption in real time - ideal for accurate control.
High load capacity and safety: developed for up to 16 A and 3680 W power. The meter monitor supports a wide voltage range and provides reliable values for sustainable energy savings.
Easy installation and use: no complicated assembly required - simply plug into the socket and receive readings immediately. Intuitive operation for uncomplicated energy analysis in the home or solar systems.
Clearly readable display: the large LCD display with green backlight allows easy reading of all values – even in low light conditions. Convenient display for watt, amps, volts, Hz and energy costs.

15,54 €
08

MECHEER

MECHEER Power Consumption Meter, Energy Cost Meter, Power Meter for Socket, Energy Meter, Power Consumption Meter, Current Meter, 5 Modes, LCD Wattmeter, KWH Current Meter, Overload Warning, 3680 W

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19% Off
8.8

Very Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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What you get: EU socket electricity meter with 1 year warranty. We stand behind our product - power failure detector and want to make sure you love this intermediate meter as much as we do. If you ever have any problems or concerns with our voltage meter, contact us and we will be happy to help you.
Practical consumption meter socket: energy is money. This energy cost meter is easy to read and the best home appliances for monitoring energy consumption at home and camping. Perfect indoor electricity meter for balcony power plant, AC meter for electrical installation, camping solar system complete set, even an alternative to timer, surface-mounted socket, smart socket power consumption, radio sockets, timer socket, electricity meter DIN rail, adapter plug with switch.
Power consumption meter with memory function: do not worry about data loss due to sudden power failure. The last data is automatically saved when the power supply loses abruptly and can be read again when switched on. Compared to large power meter socket, this power meter is portable and sensitive and safe. A reliable energy cost meter socket for home use.
Power Consumption Meter Socket with Current Measurement: Our classic electricity cost meter with 5 modes to monitor the consumption of devices can meet your common measurement requirements, including POWER (WAT), VOLTAGE (Volt), POWER CONSUMPTION QUANTITY (KWH) and ELECTRICITY COST(€) to find out which devices is the largest energy consumer to save money on bills.
Perfect gift ideas: MECHEER electricity meter for socket is a practical energy meter socket that can meet your needs in consumption analysis, power consumption meter test and saving. It is also a great gift idea for Christmas gifts for men and women, home weapon gifts for mom and dad, birthday gifts for parents, friends, families.
Overload warning: the preset overload threshold is 3680 W. Once the charging power is above 3680 W, "ENERGY OVERLOAD" flashes on the display. Please turn off the device for safety reasons. Our electricity meter consumption meter is the good choice to help you save energy, electricity and money by monitoring all household appliances and office equipment, e.g. dehumidifier, fireplace, air conditioning, washing machine, hybrid car, hifi system, game consoles, printers, etc.
Note for the use of watt meter: ①Only data can be read when the feed meter socket is plugged into socket. ②The price per unit and the total cost are both in Euros. ③The power measurement socket collects KWH data only when the working power of the device is greater than 0.3 watts. ④Use a pen to press the reset button when reset. Avoid using a needle, otherwise the button may be stuck in the hole.
Large LCD screen with large digits: The power meter for sockets has a large LCD screen and displays large black digits. Even the fuel meter is plugged into the KWH counter socket near the ground, you can easily read the numbers. Compared to other meter power consumption with bulky case, our socket electricity meter with compact size is very practical and space-saving.
Easy to use electricity meter socket: 2 simple buttons. Don't worry about complicated instructions and operating steps, our power meter with 2 simple buttons has an easy to read German user manual.
Data Clear and Reset: Press the Reset button with a pen to clear the cumulative data on this current meter for the socket, including KWH, cost, but not the price, so you can easily test another device without re-setting the price. Use a pen to press the RESET button instead of a needle to prevent the reset button from getting stuck in the hole.

9,98 € 12,35 €(19% Off off)
09

MECHEER

Power Consumption Meter Power Meter Socket Electricity Cost Meter Power Cost Meter Power Consumption Meter Power Meter Power Meter Power Meter LCD Backlight 180° Readable Display

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8.5

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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Main highlights

What you get: EU socket power consumption meter electricity intermediate meter to monitor all your household appliances, which can reduce electricity costs and save money. The power measurement socket current meter socket also comes with an instruction manual and two reset tools. Please use the reset tool to press the reset button. Please contact us for any concerns or problems with the electricity meter energy cost meter.
Overload warning: overload protection. The word "OVERLOAD" on the energy cost meter flashes automatically to warn the user when the rated power is exceeded 3680W. The ammeter is switched off at the same time to avoid damage. A reliable socket with electricity meter to save energy at home. A perfect home assistant for a better ehomelife to reduce damage to devices and extend the life of devices.
Note: The electricity meter for socket electricity cost meter wattage meter records KWH and costs in standby time and working time, but only counts the time when the working power exceeds 2W. For intermittent devices, such as freezers, we recommend that you record the actual working time. Works perfectly as a power meter for the socket, electricity meter socket, power meter socket, power consumption, power measurement device.
MECHEER Energy cost meter socket, power consumption meter socket, power consumption meter is a practical sockets electricity meter, meter power consumption, energy cost meter, Kwh counter socket that can meet your needs in consumption analysis, power consumption meter test and saving. It is also a great gift idea for Christmas gifts for men and women, home weapon gifts for mom and dad, birthday gifts for parents, friends, families.
Functions and 7 modes: this power meter current meter can measure and display energy consumption of devices in 7 modes, including power (W), energy (kWh), current (A), voltage (V), frequency (Hz), power factor, cost, maximum power, minimum power, etc. The "day" and "time" are only counted when the device works with a power greater than 2 watts. (Does not count on the device in standby mode) A perfect home assistant to save power and save money.
Easy to use: the electric meter optically reading comes with an instruction manual and there is an operating video in our product detail. MECHEER power saving device energy socket can be used more easily than other meters, such as circulation pump with timer, digital electricity meter, read out electricity meter, sockets timer, socket power measurement, feed socket balcony power plant, timer socket, digital timer, power saving socket.
Automatic data storage function: the last data and settings can be automatically saved, even if the electricity meter is pulled out of the socket voltage meter. Suitable for electrical appliances, including bread machine, coffee machine, game consoles, printers, TV, Hi-Fi system, DVD, oven, etc. Press "FUNCTION" and "UP" simultaneously to delete cumulative data without changing your previous settings, e.g. B. price etc.
180° VIEWING LCD DISPLAY WITH BACKLIGHT: UPDATED VERSION POWER SOCKET. Large and clear LCD screen, 180° viewing without blind spots, with backlight, visible day and night. The backlight is off after 10 minutes without operation. Press any button to activate the backlight once it turns off automatically. Backlight time: 10 minutes

11,88 €
10

Awootsv

Awootsv Electricity Meter for Socket Energy Cost Meter with LCD Screen Balcony Power Plant with 11 Monitoring Modes Power Meter with Overload Protection

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13% Off
8.2

Good

Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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PRODUCT DISPLAY: Button Function: MODE, SET, UP and Down.Our monitors are available in two models, one without backlight to monitor all devices in your home normally, and one with green backlight to see the power consumption and cost of various devices at any time in dim light, and the green light acts as a softener for human eyes, providing perfect readability for your peace of mind.
OVERLOAD ALARM FUNCTION: If you don't notice that your power consumption or energy costs are too high, when any device with a load of more than 13 amps is plugged into the mains then our power monitor will automatically alert you to disconnect the plug immediately, which will go a long way to ensuring that your home's electricity is safe.
MULTIPLE USES: The socket electricity meter can quickly measure and calculate the power consumption and cost of your connected devices, the left button can adjust the mode, the right button can adjust the height, simple to operate, the small size will also save more space in your home.
EASY OPERATION: Before using, you can insert the pinhole in the box into the button in the middle of the socket meter, wait for it to reset and then insert the socket meter into the socket, and then connect the home appliances and devices that you want to monitor, the meter will start to monitor and record the power consumption and expenses of the connected devices, which will better help you to control the cost and reduce the excess expenditure.
11 DETECTION MODES: This energy consumption monitor has many different monitoring functions, including time, power (W), cumulative power consumption (kWh), voltage (V), frequency (Hz), current (A), CO2 emissions (kgCO2), power factor, minimum and maximum power, cost, electricity price. This product can monitor different power consumption and costs according to your needs.

12,99 € 14,99 €(13% Off off)