Environmental inputs
Incident angle (°)
90°
0° normal incidence90° grazing
Light intensity (%)
82%
0% — dark100% — full sun
Sub-panel blocking — click cells to block (1/8 increments)
Observed behavior: cells are in series with no effective bypass diodes. Blocking any cell kills the entire sub-panel branch. The other 3 branches (parallel) are unaffected. Click individual cells to block or unblock them.
Panel power output
Total power
—W
0 W
—
180 W max
Front side · 160–180 W max at 90°, clear sky (per manual)
Bus voltage
—
Total current
—
% of max
—
Internal circuit — 4 sub-panels in parallel, cells in series
EcoFlow EF-Flex-220B — from manual
| Rated power (STC, 1000 W/m²) | 220 W ±5 W |
| Real-world max (front, 90°, clear sky) | 180 W |
| Open circuit voltage Voc | 21.8 V |
| Max power voltage Vmp | 18.4 V |
| Short circuit current Isc (STC) | 13.0 A |
| Max power current Imp (STC) | 12.0 A |
| Operating Imp (180W ÷ 18.4V) | ~9.78 A total |
| Per sub-panel operating Imp | ~2.45 A each |
| Cells per sub-panel (sim) | 8 in series |
| Power temp. coeff. | -0.39 %/K |
| Bifacial rear output | ~80% of front |