VoltSage was hands-down the single best first investment for my backup power setup. I finally know exactly how much cyclical load my fridge and freezer pull per day, which made planning my battery bank so much easier.
Sarah Mitchell· Verified Buyer
Rated 4.8 Excellent - Trusted By 9,700+
VoltSage™Digital Voltage Meter
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.
What our 9,700+ Customers say
Based On Real and Honest Experiences
I use VoltSage to keep an eye on my fence charger, and unlike other meters I've tried, the reading stays steady between pulses instead of flashing or going blank. It's been solid since day one, and I'm genuinely happy with the purchase.
Elena Marquez· Verified Buyer
I hooked VoltSage up to my DIY power supply project with a few spade lugs, and it just works. The display is bright and easy to read, even in my dim garage — I'd buy it again.
David Coleman· Verified Buyer
Frequently Asked Questions
+164 expertsreviewed itEnter 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.
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.
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.
Nothing is lost. VoltSage's built-in rechargeable battery keeps your settings and energy history safe even when it's disconnected from the wall.
Absolutely. The high-contrast LCD is designed for clear visibility from multiple angles, whether the room is bright or dim.
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.
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.
Yes. VoltSage plugs into any standard grounded outlet, including GFCI-protected ones in bathrooms, garages, and kitchens, without tripping a properly working GFCI.
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