Compare Residential Batteries
Comparing 1 product
Tesla
Powerwall 1Performance
Usable Capacity
6.4kWh
Continuous Power
3.3kW
Peak Power
3.3kW
Max System Size
—
Round-Trip Efficiency
92.5%
Cycle Life
—
Depth of Discharge
100%
Chemistry
NMC
Physical
Weight
214lbs
Height
51.3in
Width
34in
Depth
7.2in
IP Rating
IP35 / NEMA 3R (unit); IP67 (battery pod)
Operating Temp
-20°C to 50°C
System
Coupling
—
Integrated Inverter
No
Grid-Forming
No
Indoor / Outdoor
Both
Certifications
UL 1973
Certified
UL 9540
Certified
UL 9540A
Unknown
IEC 62619
Certified
Commercial
Warranty
10
Warranty Throughput
—
Est. Price
—
Software Platform
Tesla App
Manufacturing Location
Fremont CA (pilot); Giga Nevada
Key Differentiator
First mainstream residential battery (Apr 2015); DC-coupled via isolated DC/DC converter; 350-450V DC bus; required external inverter; 500 pilot units built at Fremont; mass production started Jan 2017 at Giga Nevada; catalyzed entire home battery market
Data Quality
Data Confidence
High