P3 International
Kill A Watt P4400
A plug-in meter for observing appliance power and accumulated energy. A representative Wh reading is more useful than guessing from an adapter label.
- Load limit
- 15 A maximum
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Use equipment within every voltage, current, and load-type limit. Continuous ratings can be lower than advertised peak ratings. Read the guide
P3 International
Kill A Watt EZ P4460
A plug-in energy meter with cost-estimation functions. Use the energy reading to improve your backup plan rather than treating a cost estimate as runtime.
- Load limit
- 15 A maximum
TP-Link Kasa
KP115
A Wi-Fi smart plug with energy-monitoring features. Plan to measure your equipment before an outage, while the network and app are available.
- Feature
- App energy monitoring
Emporia
Smart Plug
A smart plug for app-based energy monitoring. Its continuous-load limit is lower than its peak rating, which is important for longer appliance measurements.
- Load limit
- 10 A continuous
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