
Why Homeowners Trust VoltSage With Every Outlet
Factory-Calibrated Accuracy
VoltSage arrives factory-calibrated and reads down to 1 watt, so no vampire load slips past unnoticed.
Instant Overload Protection
The moment a connected device pulls past 3680 watts, VoltSage flashes a warning so you can unplug before it strains your wiring.
Bright, High-Contrast Display
The high-contrast display reads clearly from any angle, in bright rooms or dim basements, so you never have to squint at your numbers.
See What Every Appliance Costs
Enter your local utility rate and instantly see exactly what each appliance costs you to run, so you can budget with confidence.
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Frequently Asked Questions
How do I turn the kWh reading into an actual monthly cost?
How do I turn the kWh reading into an actual monthly cost?
Enter your utility rate once ($/kWh, found on your bill), and VoltSage multiplies it by the kWh it tracks to show your running cost in real time — no separate math or spreadsheet needed.
Can it detect small loads like phone chargers?
Can it detect small loads like phone chargers?
Yes! VoltSage picks up power draws as low as 1 watt, so you can spot hidden vampire loads from chargers, routers, and other always-on electronics around your home.
Can I use VoltSage on 220V or 240V appliances like dryers or ovens?
Can I use VoltSage on 220V or 240V appliances like dryers or ovens?
VoltSage is built for standard 230V outlets up to 19 amps, the everyday circuit most home electronics use. High-draw dryers and ovens on dedicated circuits often exceed that limit, so pair VoltSage with smaller appliances instead.
What happens to my data if I unplug the device?
What happens to my data if I unplug the device?
Nothing is lost. VoltSage's built-in rechargeable battery keeps your settings and energy history safe even when it's disconnected from the wall.
Can I read the display easily in low light?
Can I read the display easily in low light?
Absolutely. The high-contrast LCD is designed for clear visibility from multiple angles, whether the room is bright or dim.
What's the maximum watts or amps VoltSage can measure safely?
What's the maximum watts or amps VoltSage can measure safely?
VoltSage safely measures and alerts up to 3680 watts (16 amps) per outlet — enough headroom for lamps, fridges, power tools, and most household electronics before it flags an overload.
Is it safe to leave VoltSage plugged in 24/7?
Is it safe to leave VoltSage plugged in 24/7?
Yes. VoltSage is designed to stay connected around the clock, which is exactly how you catch cyclical loads like a refrigerator's true daily cost. It arrives factory-calibrated and holds up to continuous, everyday use.
Does VoltSage work with GFCI outlets in bathrooms or garages?
Does VoltSage work with GFCI outlets in bathrooms or garages?
Yes. VoltSage plugs into any standard grounded outlet, including GFCI-protected ones in bathrooms, garages, and kitchens, without tripping a properly working GFCI.