Compare Fortress Power eFlex 5.4 vs Watts Battery Corp EI Battery TSB 10

Battery Information

Model Year:

2020

Connection Type (AC or DC) :

DC

Chemistry :

Lithium Iron Phosphate

Audience:

Residential

Total Capacity :

5.374kWh

Usable Capacity :

5.374kWh

Power: Peak :

6.6kW

Power: Continuous :

3.5kW

Degradation :

7.0%

Roundtrip Efficiency :

98.0%

Warranty

Warranty :

10 Years

Warranty Cycles :

6000

Expected Life:

10 Years

Expected Cycles:

6000

Certifications

UL 1642:

Battery Information

Connection Type (AC or DC) :

AC

Chemistry :

Lithium Iron Phosphate

Audience:

Residential

Total Capacity :

9.9kWh

Usable Capacity :

9.0kWh

Power: Peak :

6.0kW

Power: Continuous :

5.2kW

Depth of Discharge :

90%

Degradation :

7.0%

Roundtrip Efficiency :

94.4%

Warranty

Warranty :

11 Years

Warranty Cycles :

6000

Certifications

UL 1741: