Powerwall Specifications

Tesla AC Powerwall with Gateway 2.0 is certified for Performance category A & B with Abnormal categories II & III.

For full compliance to IEEE 1547-2018 and IEEE 1547.1-2020 GW.0 with SMC shall be used with ACPW.

Performance Specifications

AC Voltage (Nominal) 120/240 V
Feed-In Type Split Phase
Grid Frequency 60 Hz
Total Energy1 14 kWh
Usable Energy1 13.5 kWh
Real Power, Max Continuous (On-Grid) 5 kW (charge and discharge)
Real Power, Max Continuous (Off-Grid) 7 kW
Real Power, Peak (10 s, Off-Grid/Backup) 10 kW (charge and discharge)
Apparent Power, Max Continuous 5.8 kVA (charge and discharge)
Apparent Power, Peak (10 s, Off-Grid/Backup) 10 kVA (charge and discharge)
Maximum Continuous Current 24 A
Maximum Output Fault Current 32 A
Overcurrent Protection Device 30 A
Surge withstand Voltage on AC Ports 4kV
Surge withstand Voltage on Communication Ports 2kV
Radiated RF Immunity 35V/m
Imbalance for Split-Phase Loads 100%
Power Factor Output Range +/– 1.0 adjustable
Power Factor Range (full-rated power) +/– 0.85
Internal Battery DC Voltage 50 V
Round Trip Efficiency1,2 90%
Connection / Reconnection Range 0 - 600 s

1 Values provided for 25°C (77°F), 3.3 kW charge/discharge power.

2 AC to battery to AC, at beginning of life.

Mechanical Specifications

Dimensions3 1150 mm x 753 mm x 147 mm (45.3 in x 29.6 in x 5.75 in)
Weight3 114 kg (251.3 lbs)
Mounting Floor or wall mount

3Dimensions and weight differ slightly if manufactured before March 2019. Contact Tesla for additional information.

Environmental Specifications

Operating Temperature –20°C to 50°C (–4°F to 122°F)4
Operating Humidity (RH) Up to 100%, condensing
Storage Conditions –20°C to 30°C (–4°F to 86°F)
Up to 95% RH, non-condensing
State of Energy (SoE): 25% initial
Maximum Elevation 3000 m (9843 ft)
Environment Indoor and outdoor rated
Enclosure Type NEMA 3R
Ingress Rating IP67 (Battery & Power Electronics)
IP56 (Wiring Compartment)
Wet Location Rating Yes
Noise Level @ 1m <  40 dBA at 30°C (86°F)
Maximum Supply Fault Current 10 kA

4Performance may be de-rated at operating temperatures below 10°C (50°F.)

Compliance Information

Specification Standard certified
Safety UL 1741:2021 Ed.3 Inverters, Converters, Controllers and Interconnection System Equipment for use with Distributed Energy Resources
Power Conversion Equipment [CSA C22.2#107.1:2016 Ed.4]
Grid Interoperability UL 1741SB Inverters, Converters, Controllers and Interconnection System Equipment for use with Distributed Energy Resources
IEEE 1547: 2018 - IEEE Standard for Interconnection and Interoperability of Distributed Energy Resources with Associated Electric Power Systems Interfaces
IEEE 1547.1:2020 IEEE Standard for Interconnection and Interoperability of Distributed Energy Resources with Associated Electric Power Systems Interfaces
Supplement SA to UL 1741 - Inverters, Converters, Controllers and Interconnection System Equipment for use with Distributed Energy Resources [UL 1741:2010 Ed.2 (Supplement SA)+R:15Feb2018]

With the source requirements document (SRD) v2.0–Hawaii Rule No. 14H Interconnection of Distributed Generating Facilities with the Company’s Distribution System Effective:
07/01/2020
Electric Rule No.21 Generating Facility Interconnections Effective:
June 30, 2018

CSA C22.3#9:2020 Ed.2 Interconnection of distributed energy resources and electricity supply systems
Energy Storage Energy Storage Systems and Equipment [ANSI/CAN/UL 9540:2020 Ed.2]
EMC IEEE 1547.1 (2020), IEEE C37.90.1:2012, IEEE C62.41.2:2002