Compare Solar Batteries & Manufacturers

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

Watts Battery Corp

EI Battery TSB 10

Model: EI Battery TSB 10

Manufacturer: Watts Battery Corp

Warranty : 11 Years

Connection Type (AC or DC) : AC

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:


Model: eFlex 5.4

Manufacturer: Fortress Power

Warranty : 10 Years

Model Year: 2020

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: