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Fortress Power LFP-10
Very Good
  • Usable Capacity: 7.4kWh
  • Roundtrip Efficiency: 98%
  • Warranty: 10 Years
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DC-coupled for enhanced efficiency.NMC battery chemistry for a more affordable storage system.Provides backup power for power outages and blackouts.Stores excess solar energy during the day and use it at another time.

See all Fortress Power Solar Batteries See all Solar Batteries

DC-coupled for enhanced efficiency.NMC battery chemistry for a more affordable storage system.Provides backup power for power outages and blackouts.Stores excess solar energy during the day and use it at another time.

See all Fortress Power Solar Batteries See all Solar Batteries
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Model Year
2020
Connection Type (AC or DC)
DC
Chemistry
Lithium Iron Phosphate
Audience
Residential
Total Capacity
9.24kWh
Usable Capacity
7.4kWh
Power: Peak
4.7kW
Power: Continuous
3.5kW
Depth of Discharge
60%
Degradation
7.0%
Roundtrip Efficiency
98%
The key characteristics of a battery are the power output, usable capacity and efficiency with which it stores and discharges electricity. Other characteristics, like the chemistry of the battery, help to determine how effective it is at storing electricity.
Warranty
10 Years
Warranty Cycles
6000
Expected Life
10 Years
Warranties are an indication of the overall quality of the battery. Look for a high number of cycles, a high percentage of end-of-life usable capacity, and a large number of years warrantied.
Battery Dimensions
860 mm L
439 mm W
238 mm D
Traits
  • Scalable
  • Off-Grid Capable
  • Backup Capable
The physical characteristics of a battery help determine whether you’ll need an entire garage of batteries or a wall-mounted, radiator-size battery. Beyond just storing energy, batteries have a number of additional traits, such as being able to easily scale in size or to provide power if the grid goes down.
Certifications Received
Organizations like the International Electrotechnical Commission (IEC) and Underwriters Laboratories (UL) create national and international standards for energy storage systems to ensure any products on the market meet certain specifications for safety and reliability reasons.
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