Must Energy PV19-4024 EXP
Official manufacturer GLOBAL verified Sept. 25, 2026
Page 1 of MUST HIGH FREQUENCY SOLAR INVERTER PV1900 EXP Series datasheet (https://storage.ua.prom.st/2852794_must_pv19_6048_exp_datasheet.pdf)
Identity
| category | inverters |
| manufacturer | Must Energy |
| model | PV19-4024 EXP |
| product_status | active |
| region | GLOBAL |
| variant | — |
Electrical
| ac_frequency_hz | 50 / 60 (auto sensing) |
| ac_input_voltage_range_v | 170~280 (UPS) / 90~280 (APL) / 184~253 (VDE) |
| ac_output_voltage_regulation | 230VAC±5% (Setting), battery mode |
| ac_output_waveform |
Pure Sine Wave
MUST PV1900 EXP Series (4~12KW) off-grid solar inverter
|
| charging_algorithm | 3-Step (Flooded, AGM / GEL / LEAD), 4-Step (Li) |
| communication_interfaces | USB, Wi-Fi |
| euro_efficiency_pct | 97.0 |
| float_charge_voltage_v | 27.4 |
| humidity_range | 5% to 95% relative humidity (non-condensing) |
| max_ac_charge_current_a | 80 |
| max_charge_current_a | 100 |
| max_dc_voltage_v | 600.0 |
| max_efficiency_pct | 92 |
| max_input_current_per_mppt_a | 16.0 |
| max_parallel_units |
6
MUST PV1900 EXP Series (4~12KW) off-grid solar inverter
|
| max_pv_input_power_w | 5000 |
| max_pv_voltage_v |
500
MUST PV1900 EXP Series (4~12KW) off-grid solar inverter
|
| max_short_circuit_current_per_mppt_a | 24.0 |
| max_solar_charge_current_a | 100 |
| mppt_count | 2 |
| mppt_voltage_range_max_v | 550.0 |
| mppt_voltage_range_min_v | 90.0 |
| nominal_ac_voltage_v | 230 |
| nominal_battery_voltage_v | 24 |
| nominal_frequency_hz | 50.0 |
| off_grid |
True
MUST PV1900 EXP Series (4~12KW) off-grid solar inverter
|
| official_product_url |
https://www.mustpower.com/product/pv1900-exp-series-412kw/
MUST PV1900 EXP Series (4~12KW) off-grid solar inverter — inventory record source_url
|
| output_waveform |
Pure Sine Wave
MUST PV1900 EXP Series (4~12KW) off-grid solar inverter
|
| parallel_capability_units | 6 |
| parallel_supported |
True
MUST PV1900 EXP Series (4~12KW) off-grid solar inverter
|
| phase_count | 1 |
| rated_ac_power_w |
4000
MUST PV1900 EXP Series (4~12KW) off-grid solar inverter
|
| startup_voltage_v | 100.0 |
| surge_power_w |
8000
MUST PV1900 EXP Series (4~12KW) off-grid solar inverter
|
| transfer_time_ms | 10 ms (UPS / VDE4105) / 20 ms (APL) |
| warranty_years | 2 |
Physical / mechanical
| dimensions_mm | 322×486×134 |
| weight_kg | 10.6 |
Environment
| ip_rating | IP65 |
| operating_temperature_max_c | 60.0 |
| operating_temperature_min_c | -25.0 |
| operating_temperature_range_c | 0~50 |
Protection
| overcharge_protection_voltage_v | 30 |
Documents
Recorded conflicts
electrical.max_pv_voltage_v Resolved — kept current value
500 — stored value
500 (450 V for parallel) — incoming package
Detected during import deep-enrich-pass2-2026-09-batch02
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| builder_completeness | partial |
| region_notes | MUST publishes one worldwide specification for the PV1900 EXP off-grid series; 230 Vac / 50-60 Hz product sold into Africa, South-East Asia and Latin America. |