0.3% of recent U.S. home systems use EG4 inverters. 2.4% of recent U.S. home systems use EG4 home batteries.
EG4 Electronics
Status: Popular in DIY/off-grid. Had a 2024-2025 battery recall/firmware issue (check).
Company
USA (Texas; Signature Solar); Chinese-made
Capacity and power
5.12-14.3 per module (LifePower4, WallMount, PowerPro) kWh usable, Depends on EG4 18kPV / FlexBOSS inverters (12-21 kW) kW continuous, LFP, round-trip ~95% DC
Design
DC (48V)
Whole-home backup
Yes with large inverter
Typical installed price
Mostly DIY; $3,000-$6,000 per ~14 kWh module (equipment) (estimate; get quotes)
Warranty
years: 10; retention: Check; throughput: Check
Price tier
budget
Risks to weigh
DIY quality variance
Possible FEOC/AD-CVD exposure
Specifications as stated by the manufacturer; confirm on the current datasheet and warranty document.
EG4 inverters on the CEC certified list
4 certified models, 7.86–13.899 kW. Smallest to largest. See all models.
Model
Output
CEC efficiency
Type
IV-8000-HYB-AW
7.86 kW
96.5%
Hybrid
18KPV-12LV
10.499 kW
96.5%
Hybrid
IV-13000-HYB-AW-FX-xx
11.325 kW
97%
Hybrid
IV-16000-HYB-AW-FX-xx
13.899 kW
96.5%
Hybrid
EG4 home batteries on the CEC certified list
10 certified models, 5.12–16 kWh. Smallest to largest. See all models.
Model
Capacity
Power
Chemistry
Round-trip
EG4-LL
5.12 kWh
5.12 kW
Lithium Iron Phosphate
—
SR-48-100-LP4-IN-02
5.12 kWh
5.12 kW
Lithium Iron Phosphate
—
SR-48-100-LP4-IN-03
5.12 kWh
5.12 kW
Lithium Iron Phosphate
—
WM-48-100-IN-xx
5.12 kWh
5.12 kW
Lithium Iron Phosphate
—
WM-48|280-LL-00
14.3 kWh
10.24 kW
Lithium Iron Phosphate
—
WM-48-280-1-IN-LL-00
14.3 kWh
10.24 kW
Lithium Iron Phosphate
—
WP-16/280-1AWLL
14.3 kWh
10.24 kW
Lithium Iron Phosphate
—
WM48314AWXX
16 kWh
10.24 kW
Lithium Iron Phosphate
—
WM-48-314-IN-01
16 kWh
10.24 kW
Lithium Iron Phosphate
—
WM48314INXX
16 kWh
10.24 kW
Lithium Iron Phosphate
—
Choosing equipmentA well-installed mid-tier system beats a premium brand installed badly. Ask quotes to name exact models, compare warranties in writing, and check that the company backing a 25-year warranty is financially healthy. Compare your quotes.