Fortress Power Envy Duo 21
Official manufacturer NA перевірено 25 вересня 2026 р.
Identity
| category | inverters |
| manufacturer | Fortress Power |
| model | Envy Duo 21 |
| region | — |
Electrical
| backup_output |
True
Envy Duo 21 Inverter
|
| battery_supported |
True
Fortress Power Envy Duo 21 Data Sheet (English)
|
| battery_voltage_class |
48V
Fortress Power Envy Duo 21 Data Sheet (English)
|
| battery_voltage_max_v |
60
Fortress Power Envy Duo 21 Data Sheet (English)
|
| battery_voltage_min_v |
40
Fortress Power Envy Duo 21 Data Sheet (English)
|
| grid_frequency_hz |
60
Fortress Power Envy Duo 21 Data Sheet (English)
|
| has_internal_pv_input |
True
Fortress Power Envy Duo 21 Data Sheet (English)
|
| max_ac_output_current_a |
66.7
Fortress Power Envy Duo 21 Data Sheet (English)
|
| max_ac_power_w |
16000
Fortress Power Envy Duo 21 Data Sheet (English)
|
| max_charge_current_a |
250
Fortress Power Envy Duo 21 Data Sheet (English)
|
| max_discharge_current_a |
250
Fortress Power Envy Duo 21 Data Sheet (English)
|
| max_input_current_per_mppt_a |
[26, 26, 15]
Fortress Power Envy Duo 21 Data Sheet (English)
|
| max_parallel_units |
10
Fortress Power Envy Duo 21 Data Sheet (English)
|
| max_pv_array_power_w |
25000
Fortress Power Envy Duo 21 Data Sheet (English)
|
| max_pv_input_power_w |
21000
Fortress Power Envy Duo 21 Data Sheet (English)
|
| max_pv_voltage_v |
550
Fortress Power Envy Duo 21 Data Sheet (English)
|
| max_short_circuit_current_per_mppt_a |
[31, 31, 19]
Fortress Power Envy Duo 21 Data Sheet (English)
|
| mppt_voltage_max_v |
440
Fortress Power Envy Duo 21 Data Sheet (English)
|
| mppt_voltage_min_v |
120
Fortress Power Envy Duo 21 Data Sheet (English)
|
| nominal_grid_voltage_v |
240
Fortress Power Envy Duo 21 Data Sheet (English)
|
| number_of_mppt |
3
Fortress Power Envy Duo 21 Data Sheet (English)
|
| number_of_pv_inputs |
5
Fortress Power Envy Duo 21 Data Sheet (English)
|
| parallel_supported |
True
Fortress Power Envy Duo 21 Data Sheet (English)
|
| phase_count |
1
Fortress Power Envy Duo 21 Data Sheet (English)
|
| rated_ac_power_w |
12000
Fortress Power Envy Duo 21 Data Sheet (English)
|
| startup_voltage_v |
100
Fortress Power Envy Duo 21 Data Sheet (English)
|
| strings_per_mppt_distribution |
[2, 2, 1]
Fortress Power Envy Duo 21 Data Sheet (English)
|
Physical / mechanical
| weight_kg |
57
Fortress Power Envy Duo 21 Data Sheet (English)
|
Interfaces & connectors
| communications |
['RS485', 'Wi-Fi', 'CAN']
Fortress Power Envy Duo 21 Data Sheet (English)
|
Protection
| ingress_protection |
NEMA4X / IP66
Envy Duo 21 Inverter
|
Документи
product_page
Envy Duo 21 Inverter
Додаткові задокументовані параметри
Записано дослівно з джерела; поля схеми для них поки немає.
| builder_completeness | partial |
| region_notes | North American product: 120/240 V split-phase and 120/208 V, UL1741 and UL3141 certified. Fortress also publishes a Spanish-language edition of the same datasheet for Latin America; the electrical specification is identical, so no separate regional product was created. |