Reduce energy consumption, protect your appliances from power surges, and lower your monthly bill — all in one smart device.
Easy Setup
Universal Support
30-Day Guarantee
Safe Design
A compact device designed to optimize energy consumption and protect your electronics from everyday electrical issues.
Helps reduce your energy consumption by up to 45%, delivering significant savings on your monthly electricity bill.
Shields TVs, refrigerators, computers and other electronics from voltage spikes, surges and power quality issues.
Advanced technology monitors and optimizes energy flow in real-time, maximizing your savings automatically.
No tools, no electrician and no complications. Simply plug into any standard US outlet and you're done.
Compact and rugged device designed to run 24/7 with safe, low-profile operation you can trust.
Works seamlessly with standard US household voltage and any appliance connected to your outlets.
StopWatt uses advanced technology to optimize your home's energy flow, eliminate waste and significantly reduce your monthly electricity expenses.
Analyzes consumption instantly and automatically optimizes energy flow for maximum savings.
Keeps your appliances safe with stable, protected power that extends their lifespan.
Once plugged in, it works automatically without requiring any maintenance or upkeep.
StopWatt is designed to start saving you money from the moment you plug it in.

Insert StopWatt into any standard US outlet near the appliances you want to protect and optimize.
Press the power button to activate StopWatt and begin saving energy immediately.

Keep it plugged in. StopWatt operates automatically, 24/7, reducing your bills silently in the background.
Average energy savings
Installation time
Day money-back guarantee
| Feature | StopWatt | Without Protection |
|---|---|---|
| Energy savings | ✓ Up to 45% | ✕ |
| Surge & spike protection | ✓ | ✕ |
| Smart optimization | ✓ | ✕ |
| Plug-and-play, no electrician | ✓ | ✕ |
| 30-day money-back guarantee | ✓ | ✕ |
We're confident you'll love the savings. If StopWatt isn't right for your home, send it back within 30 days for a full refund — no questions asked.
Plug in StopWatt and begin cutting your energy costs by up to 45% while protecting your appliances from power issues.
GET STOPWATT NOWFast US shipping · 30-day money-back guarantee · 24/7 customer support
This Privacy Policy explains how we collect, use and protect your personal information in accordance with US privacy laws.
We collect information you provide when placing orders or contacting us, including your name, shipping address, email, order details, IP address and browsing activity on this site.
Your information is used to process orders, provide customer support, improve our services, and with your consent, send relevant updates and offers.
You have the right to access, correct, update or delete your personal information, and to opt-out of marketing communications at any time.
For privacy inquiries, contact us at support@stopwatts.com.
By using this website and placing an order, you agree to these terms.
StopWatt is a residential energy-saving device. Descriptions are provided in good faith. StopWatt is designed to help reduce energy consumption and protect appliances; it does not guarantee a specific bill reduction, and results vary by household.
All orders are subject to acceptance and availability. Prices and promotions are shown at checkout.
Eligible products may be returned within 30 days of receipt for a full refund. Contact support to initiate a return.
Nothing in these terms limits your consumer rights under applicable US law.
StopWatt is committed to helping US households save money on energy while protecting their appliances from everyday electrical problems. Our plug-and-play device is designed to optimize energy consumption and reduce your monthly bills.
We believe energy savings should be simple. That's why StopWatt requires no tools, wiring or electrician — just plug it in and start saving.
Have questions about your order or StopWatt? Our support team is here to help.
Email: support@stopwatts.com
We aim to respond to all inquiries within 1–2 business days.