A small 5 kWh LFP block built from six microinverters that you stack in steps; flexible and easy to size, but lower continuous power per unit than a single big battery.
Best for: modular, start-small backup
Figure - Specs to scalebars vs the largest in our database
Specifications
Chemistry
LFP
Usable capacity
5 kWh
Continuous power
3.84 kW
Peak power
7.68 kW
Round-trip efficiency
90%
Depth of discharge
Not published
Warranty
over 60 percent capacity at up to 15 years or 6,000 cycles
Scalable to
Not published
Backup scope
Whole-home capable
Inverter
Integrated
Weight
174 lb
Dimensions
38.6 x 21.7 x 7.4 in
Efficiency basis: AC round trip (DC round trip is 96 percent). Round-trip numbers are only comparable across brands when measured the same way, so read the basis before comparing.
Source: Enphase IQ Battery 5P datasheet, May 2025. Specs verified 2026-07-01. Figures are per single unit at beginning of life; confirm the current datasheet with your installer.
Specs do not tell you if it pays off.
Payback depends on your rate plan, usable capacity, and local incentives, not the brand on the box.