Following the success of their first-generation Powerwall, Tesla Energy has unveiled the eagerly awaited Powerwall 2, which will be ready for installations in February 2017.
Like the first generation Powerwall, Powerwall 2 is designed to store any excess solar energy your PV system produces. This allows owners to power their home or business with free solar energy during the evening.
Powerwall 2 also requires no maintenance and comes with a 10-year warranty.
Similar to its predecessor, Powerwall 2 will also be able to be used for:
Compared to its predecessor, Powerwall 2 offers double the energy at 14kWh, and comes with an in-built inverter. This allows Powerwall 2 to convert DC power to AC power internally, getting rid of the need for an extra hybrid inverter. This will result in lower installation costs and a much easier installation process.
Powerwall 2 also comes with a cheaper price tag per kWh (the price is estimated at $9,450 plus GST in Australia, including installation), significantly reducing the previous payback periods.
| Technology | Wall mounted, rechargeable lithium ion battery with liquid thermal control. |
| Model | 14 kWh (For daily cycle applications) |
| Warranty | 10 years |
| Efficiency | 90% round-trip |
| Power | 7kW peak / 5kW continuous |
| Usable Capacity | 13.5kWh |
| Supported Applications | Solar self-consumption Time of use load shifting Backup Off grid |
| Scalable | Up to 9 Powerwalls |
| Operating Temperature | -20°C to 50°C |
| Enclosure | Floor or wall mounted Indoor or outdoor |
| Installation | Requires installation by a trained electrician |
| Weight | 264.4 lbs / 110 kg |
| Dimensions | 1150 mm x 755 mm x 155 mm |
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