Acer D723N: $2 a year to run
This model (Computers) uses 9 kWh of electricity a year, which costs about $2 a year and $20 over 10 years at 21.0¢/kWh.
Energy use
9 kWh
per year
Running cost per year
$2
21.0¢/kWh
Running cost over 10 years
$20
Efficiency rank
189 / 1,748
Product details
| Type | Slate/Tablet |
|---|---|
| Battery capacity (Wh) | 30.0 |
| Available since | April 19, 2025 |
Compared with the average model (Computers), this one saves about $3 a year.
More efficient alternatives
| Model | kWh/year | Cost/year |
|---|---|---|
| Apple A3360 | 9 | $2 |
| Microsoft 2110 | 9 | $2 |
| Apple A3464 | 9 | $2 |
| Apple A3462 | 9 | $2 |
| Apple A3461 | 9 | $2 |
| Apple A3269 | 9 | $2 |
| Apple A3268 | 9 | $2 |
| Apple A2837 | 8 | $2 |
- Refrigerators
- Freezers
- Washing machines
- Dishwashers
- Tumble dryers
- Room air conditioners
- Dehumidifiers
- Water heaters
- Electric cooktops and ranges
- Televisions
- Air purifiers
Source: ENERGY STAR (U.S. EPA) · 21.0¢/kWh (August 2026) · Methodology