10 Best Watt Meters 2021

Gareth Otwell Reviewed by Gareth Otwell | Last Updated:

P3 P4400 Kill A Watt Electricity Usage Monitor – ⭐ Best Overall Watt Meter

P4400 by P3

  • Color: Ivory
  • Weight: 0.4 pounds
  • Dimensions: 8.4 x 2.1 x 6.1 inches
  • Warranty: 1 Year Limited
P3 P4400 Kill A Watt Electricity Usage Monitor
  • Choose from the Kill-a-Watt's four settings to monitor your electrical usage
  • Monitor your electrical usage by day, week, month, or year
  • Features easy-to-read screen
  • Electricity usage monitor connects to appliances and assesses efficiency
  • Large LCD display counts consumption by the kilowatt-hour
  • Calculates electricity expenses by the day, week, month, or year
  • Displays volts, amps, and wattage within 0.2 - 2.0percent accuracy
  • Compatible with inverters; designed for use with AC 115-volt appliances

Poniie PN2000 Plug-in Kilowatt Electricity Usage Monitor Electrical Power Consumption – 👑 Premium Pick

PN2000 by Poniie

  • Color: Off-White
  • Weight: 0.5 pounds
  • Dimensions: 2.3 x 2.2 x 4.7 inches
  • Warranty: 1-Year Warranty by PoniieDirect
Poniie PN2000 Plug-in Kilowatt Electricity Usage Monitor Electrical Power Consumption
  • HIGH POWER WATT METER: Counts consumption by Kilowatt-hours, with high-power tolerance rated at Max.16A, compatible with 220v ac
  • REFINED ACCURACY: Built-in high precision current sensor. Ensures you the best accuracy-Class 1.0 with 0.01W, 0.01V and 0.001A resolution
  • BACK-LIGHT & MEMORY: With wide view angle, clear backlight large LCD Display and hold over circuit memory for cumulative kilowatt-hours
  • PROFESSIONAL KILOWATT METER: Start detection 0.20W, you can virtually monitor standby or working power dissipation of all your electronics
  • BUY WITH CONFIDENCE: 1-YEAR Warranty by Poniie; full ABS fire retardant material housing and comes with 14AWG heavy duty extension cord
  • EASY TO USE: Checks the quality of power by Watts (active power), Current (true RMS), Voltage (true RMS), Frequency (Hz) and Power Factor
  • CUMULATIVE TIME: CT only means the run time of the appliance, not the elapse time. It is a parameter to assess your appliance's working performance
  • WHAT YOU GET: 1x PN2000 Power Usage Monitor, 1x 1 Ft. Heavy Duty 14AWG Extension Cord. 1x User Manual; 1-Year Warranty by Poniie; FCC certified

Digital Power Monitor Meter Usage Energy Watt Amp Volt KWh – 💲 Best Budget Watt Meter

by Sold_By_Cheapnwork

Digital Power Monitor Meter Usage Energy Watt Amp Volt KWh
  • Large Lcd display
  • Usa socket outlet
  • Measure watt, volt, amp.
  • Built in cost function
  • Low power consumption.

kuman KW47-US Electricity Usage Monitor Plug Power Watt Voltage Amps

KW47-US by kuman

  • Color: white
  • Dimensions: 3 x 6 x 6 inches
kuman KW47-US Electricity Usage Monitor Plug Power Watt Voltage Amps
  • Electricity usage monitor: Monitor is the killer of the high-cost energy appliance, helping you lower power consumption and save money.
  • Digital LCD Display: Large clear LCD display for easy reading, the screen size is 47cmx60cm.
  • Various Parameters: Power(W), Energy (kWh), Voltage, Amps, Power Factor, Cost and Minimum & Maximum Power, ideal for energy consumption monitor.
  • Overload Protection: Once the whole power exceeds the rated power of monitor, LCD will display "OVERLOAD" with booming noise to remind the user
  • Built-in Battery:With 3.6V rechargeable battery(NI-MH), It can store electricity. which allows meter to be moved and viewed without losing readings.

Electricity Usage Monitor

by briidea

  • Color: Black
Electricity Usage Monitor
  • NEW DESIGN: Our new electricity usage monitor with 2 outlets design can allow you monitor the power consumption of two electronic devices at the same time. Monitor each machine independently, without affecting each other
  • POWER OFF MEMORY FUNCTION: With standard memory function, the CT and EC-KWH of electrical power consumption can be retained in the event of a power failure. And you can clear them manually
  • SAFETY & OVERLOAD TIP: Full ABS flame retardant material housing, and equipped with 14AWG heavy duty extension cord, performances excellent heat resistance. When the rated power exceeds 1200W, a warning will remind you to cut off the power in time
  • ACCURATE MONITORING: Electricity analyzer monitoring device equippeds with a high-precision current sensor and high-resolution real-time monitoring. You can measure power(W), volts, amps, hertz, kilowatt-hours(EC), cumulative time(CT) and power factor accurately
  • WIDE APPLICATION & EASY TO USE: Watt voltage amps meter tester can connected to TV, refrigerator, water purifier, HIFI System and other household appliances. It can be monitored easily when the device is connected

P3 International P4460 Kill A Watt EZ Electricity Usage Monitor

P4460 by P3

  • Color: grey
  • Weight: 1 pounds
  • Dimensions: 1.5 x 2.3 x 5 inches
  • Warranty: 1 Year Limited
P3 International P4460 Kill A Watt EZ Electricity Usage Monitor
  • Calculates cost and forecasts by week, month, and year
  • Displays eight critical units of measure on the large LCD display
  • Built-in backup of accumulated information.
  • Accurate within 0.2%
  • Calculates cost and forecasts by week, month and year

BALDR US Electricity Monitor

FBA_PM3091WH3 by BALDR

  • Color: White
  • Weight: 0.27 pounds
  • Dimensions: 5.7 x 2.9 x 1.3 inches
BALDR US Electricity Monitor
  • Know Which Appliances Are Driving Up Your Power Bill: Plug this electricity meter into your appliances to see their true efficiency. Our meter can measure voltage, wattage, current strength, CO₂ usage, electricity costs in kilowatts per hour, and more — in real-time. Now you’ll know if it’s time to replace that old dryer with a new energy-efficient one.
  • Protect Your Valuables From A Power Overload: This electricity meter comes with overload protection, which notifies you when the unit is drawing more electricity than a circuit can safely handle. “Overload” will blink on the screen to warn you that the appliance needs to be unplugged to prevent overheating.
  • Large Display Makes For Easy Reading: Unlike other power meters out there, ours features a large LCD screen with clear-digit display, making it extra easy to view your real-time electricity usage and cost readings — even when you’re not close to the meter.
  • Battery Backup Saves All Readings During Power Outage: With a built-in battery backup feature (two 3.6V batteries included), this power meter will save your electricity usage readings, cost readings, and all settings during the event of a power outage.
  • Easy-to-use Reset Button: If an abnormal display appears on the power meter’s screen or the buttons don’t respond, you can quickly reset the device by pressing the small “Reset” button, located between the “Energy” and “Cost” buttons.

Towallmark Electricity Usage Monitor

HR-power meter-1104-TZJ -785EB8A52C by Towallmark

  • Color: White
  • Weight: 0.39 pounds
Towallmark Electricity Usage Monitor
  • 🔌【BACK-LIGHT & LARGE LCD DISPLAY】Our electricity usage monitor with a large clear backlight LCD display, wide view angle clear visible, make it easy to read and record the data, especially in the darkness.
  • 🔌【HIGH ACCURACY】The Power Consumption Monitor built-in high precision current sensor, it can normally display real-time voltage, current, electric power, timekeeping and billing normally, and the voltage and power tested are within 2%.
  • 🔌【OVERLOAD PROTECTION】Overload warning displayed on LCD, when the whole power exceeds the rated power 1800W of monitor, LCD will display "OVERLOAD" with booming noise to warn the user, and automatically disconnect the power.
  • 🔌【EASY TO USE & CUMULATIVE TIME】Our Watt Meter uses kWh as the unit, calculates the power consumption through Watts, Current, Voltage, Frequency and Power Factor. It has 4 independent keys for you to quickly access different power parameters!
  • 🔌【MONITORING ELECTRIC USAGE EFFECTIVELY】Monitor can find high-cost energy equipment, helping you lower power consumption and save money. it is can measures various parameters and cumulative kilowatt-hours. ideal for energy consumption monitor.

Poniie PN1500 Portable Micro Electricity Usage Monitor Electrical Power Consumption

PN1500 by Poniie

  • Dimensions: 3.7 x 1.9 x 2.4 inches
Poniie PN1500 Portable Micro Electricity Usage Monitor Electrical Power Consumption
  • EASY TO USE: Counts consumption by Kilowatt-hours, choosing from 5 independent keys to quick access different power parameters
  • REFINED ACCURACY: Built-in high precision current sensor. Ensures you the best accuracy-Class 1.0 with 0.01W, 0.1V and 0.01A resolution
  • BACK-LIGHT & MEMORY: Clear backlight and large digital numbers, with circuit memory for cumulative kilowatt-hours & elapsing time
  • PORTABLE KILOWATT METER: Compact size with start detection 0.20W, you can virtually monitor most standby or working power dissipation
  • BUY WITH CONFIDENCE: 1-YEAR Warranty by Poniie; Full ABS fire retardant material housing; Note: do not compatible with solar power inverter

BN-LINK LCD Plug in Power Energy Meter Voltage Amps Electricity

BNQ-60/U40 by BN-LINK

  • Dimensions: 2.5 x 2 x 5 inches
BN-LINK LCD Plug in Power Energy Meter Voltage Amps Electricity
  • ✓ LARGE LCD DISPLAY: Easily monitor the power consumption and costs of your electrical appliances
  • ✓ VARIOUS UNITS: Power (W), Power Factor, Current (A), Voltage (V), Instant Apparent Power (VA), Frequency (Hz), Current Power Draw (W), Cumulative kWh, Unit Cost/kWh, and Cost
  • ✓ MONITOR YOUR BILLS: Use the Cost per Kilowatt-Hour (kWh) function to monitor your electricity bills
  • ✓ BATTERY BACKUP: The built-in battery backup allows the meter to be moved and viewed without losing its reading
  • ✓ SPECS: Voltage rating 125 VAC, 60 Hz, Instant Active Power Display Range (0.5W-1875W), Unit Cost Range (.01-99.99)

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