Inverter Comparison

EG4 6000XP vs. EG4 FlexBOSS21

Price$1,549$4,199
Inverter Typeoff-gridhybrid
Input Data (PV)
Max PV Input Power8 kW21 kW
MPPT Voltage Range120-385 V120-440 V
Max PV Input Voltage480 V600 V
# of MPPTs23
Inputs per MPPT
1 / 1
2 / 2 / 1
Max Usable Input Current
17 A / 17 A
26 A / 26 A / 15 A
Max Short Circuit Input Current25 A / 25 A31 A / 31 A / 19 A
AC CoupleNoNo (only with gridboss)
Max AC Couple Input Power
Output Data (AC)
Nominal Output Power
6 kW
16 kW (with PV)
12 kW (battery only)
Peak Surge12 kW24 kW
Locked Rotor Amps (LRA)95 A195 A
Output Voltage120/240VAC120/240V
Grid Frequency50/60Hz50/60Hz
Max Output Current37.5 A66.7 A
Max Grid Passthrough (Bypass)50 A90 A
Battery
Battery Nominal Voltage48 V48 V
Battery TypeLead-acid / LithiumLead-acid / Lithium
Max Battery Charge / Discharge125 A / 140 A250 A / 250 A
General Info
Idle Consumption50 W65 W
Parallel SupportUp to 16 unitsUp to 16 units
MonitoringApp/Web/LCDApp/Web (LCD optional)
Outdoor RatingNo (IP20 only)NEMA 4X
Dimensions (H×W×D)25.5 × 18 × 5.25 in30.4 × 22.3 × 11.2 in
Weight52.9 lbs121 lbs
Noise Level<58 dB<50 dB @ 3 ft
Warranty5 years10 years