Electricity prices are rising around the world.

Many homeowners want to lower their electricity bills. Using a home battery is a popular way to do this.

If your utility charges more at peak times, a home battery lets you avoid buying expensive electricity.

And if you have solar panels too, you can make your own power by day. This, combined with a battery, cuts your grid use and bills even further.

In this guide, we will:

·         Show how a battery can save you money with time-of-use rates.

·         Explain how to set up your system for maximum savings.

·         Share a real example from a homeowner.

·         Give tips to keep your system working well for years.

Why Combine Time-of-Use Rates, Solar, and Battery Storage?

What Are Time-of-Use (TOU) Rates?

Many utility companies charge different prices for electricity depending on the time of day:

·         Peak hours (e.g., 5 PM–9 PM): High demand = higher prices (example: $0.34/kWh)

·         Off-peak hours (e.g., midnight–6 AM): Low demand = lower prices (example: $0.09/kWh)

📌 Note: Exact times and prices vary by country, region, and provider. Check your latest electricity bill or your utility’s website to confirm your local TOU schedule.

In areas with big price differences—often 0.20–0.30 per kWh—you can save significantly by shifting your usage away from peak times.

Add Solar Panels for Even Greater Savings

A battery alone lets you buy cheap power at night and use it during expensive evening hours. But when you add solar panels, the benefits multiply:

·         During the day: Your solar panels generate free, clean electricity.

·         If you use less than you produce, the extra power charges your battery—at zero cost.

·         In the evening: Your home runs on stored solar energy instead of expensive grid power.

·         Late at night: If needed, your battery tops up using low-cost off-peak electricity.

Follow this cycle: run on solar by day, battery power at night, and buy minimal grid power. This strategy keeps your costs low.

4 Simple Steps to Maximize Your Savings

Our smart home battery system works with a user-friendly mobile app. You don’t need to be a tech expert—just follow these steps:

Step 1: Set Your Local Electricity Rates

1.      Open the SmartHome Energy app.

2.      Tap “Tariff Settings”.

3.      Select your country, or manually enter your peak/off-peak hours and prices.

The system will create an optimal charging plan.

Step 2: Turn On “Save Mode”

Select “Cost-Saving Mode” or “TOU Optimization.” The battery will automatically charge during cheap hours and power your home during expensive ones.

Step 3: Set Appliance Priorities

Use the “Load Management” feature to decide which devices get power first:

·         High priority: Fridge, Wi-Fi, security systems → always powered

·         Medium priority: AC, washing machine → run when battery is full

·         Low priority: EV charger, water heater → only run during solar surplus or off-peak hours

Step 4: Connect Your Solar Panels (If You Have Them)

The system seamlessly works with most rooftop solar setups:

·         Daytime: Solar powers your home first; extra goes to the battery

·         Evening: Battery takes over as sunlight fades

·         Night: Battery uses stored energy or tops up with cheap grid power

You get the best of both worlds: free solar + smart storage.

✅ Key Benefit: A battery can dramatically reduce your grid use. It helps you consume over 80% of the solar power you produce, up from just 30%.

Real-Life Example: A Typical Family Saves Over $90/month

Let’s look at a standard 3-person household in a sunny region (about 100 m² / 1,100 sq ft):

Daily Specific Value electricity use25 kWhPeak-hour usage60% (~15 kWh)Off-peak rate$0.09/kWhPeak rate$0.34/kWhSolar system size5 kW (produces ~20 kWh/day in good weather) Battery capacity10 kWh

Savings breakdown:

·         Without solar or battery: Pays full grid price → ~$6.50/day

·         With solar only: Still buys power in evenings; some solar is wasted → ~$4.00/day

·         With solar + battery: Uses free solar by day, stored energy at night → only ~$2.00/day

Monthly savings: (6.50–2.00) × 30 = ~$135/month (about ¥970)

🔍 Actual results depend on your location, weather, and usage. We offer a free online calculator to estimate your personal savings.

3 Easy Tips to Keep Your Battery Lasting Longer

To get the most out of your investment, follow these simple maintenance practices:

1.      Avoid deep discharges

2.       

3.      Set a minimum charge level (e.g., 20%) in the app. This protects the battery and extends its lifespan.

4.      Install in a suitable location

5.       

6.      Lithium batteries work best between 15°C–35°C (59°F–95°F). Keep the unit indoors, away from direct sun, moisture, or extreme cold. Consider a climate-controlled enclosure in harsh climates.

7.      Update software regularly

8.       

9.      Use the app to check your battery’s health (State of Health, or SOH) and install firmware updates. This ensures your system runs efficiently with the latest smart features.

Final Thoughts: Smarter Energy, Lower Bills, Cleaner Future

Today, combining solar panels + home battery storage isn’t just eco-friendly—it’s financially smart. You gain control over your energy use, reduce monthly bills, and stay powered during outages.

Our home battery works with your solar panels, is easy to use, and built to last.

Whether you already have panels or plan to install them soon, now is a great time to go smarter with your energy.

💡 Don't forget to check for incentives!

Many governments provide financial help to make solar and battery systems more affordable.

Common types of help include tax reductions, rebates, and special utility rates—all of which increase your long-term savings.

Ready to take control of your energy? Download our app or contact a local dealer for a free home energy assessment today.