Knowledge Base › External MPPT Controllers
Must Energy PC18-4015A
Manufacturer documented GLOBAL verified Sept. 23, 2026
Official product web page: https://www.mustpower.com/product/pc1800a-series-30a-40a/
Identity
| category | external_mppt_controllers |
| manufacturer | Must Energy |
| model | PC18-4015A |
| product_status | active |
| region | GLOBAL |
| variant | — |
Electrical
| battery_voltage_nominal_v | 12/24/36/48V Auto |
| battery_voltage_supported |
12V / 24VDC (Auto Detection)
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
| charge_current_a |
40
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
| controller_type |
MPPT
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
| dc_dc_conversion_efficiency_percent |
98
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
| max_charge_current_a | 30.0 |
| max_efficiency_pct | 98.0 |
| max_efficiency_percent |
98
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
| max_pv_input_power_w_at_12v |
576
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
| max_pv_input_power_w_at_24v |
1152
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
| max_pv_open_circuit_voltage_v |
145
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
| max_pv_power_w |
[576, 1152]
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
| max_pv_voltage_v |
145
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
| mppt_tracking_efficiency_percent |
99
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
| mppt_voltage_max_v |
130
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
| mppt_voltage_min_v |
60
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
| official_product_url |
https://www.mustpower.com/product/pc1800a-series-30a-40a/
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller — inventory record source_url
|
| rated_battery_voltage_v |
[12, 24]
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
| rated_charging_current_a |
40
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
Environment
| battery_temperature_sensor |
True
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
| ip_rating | IP43 |
| operating_temperature_max_c | 60.0 |
| operating_temperature_min_c | -25.0 |
Interfaces & connectors
| communication | RS485 (Modbus) |
| documented_ports | [{'port_role': 'PV_IN', 'port_label_from_manual': 'PV input', 'port_type': 'DC terminal', 'direction': 'input', 'electrical_domain': 'DC', 'limits': {'max_pv_open_circuit_voltage_v': 145, 'mppt_voltage_min_v': 60, 'mppt_voltage_max_v': 130}, 'document': 0, 'page': 'Product page specification table', 'quote': 'Max. PV Open Voltage | 145VDC'}, {'port_role': 'BATTERY', 'port_label_from_manual': 'Battery', 'port_type': 'DC terminal', 'direction': 'bidirectional', 'electrical_domain': 'DC', 'document': 0, 'page': 'Product page specification table', 'quote': 'Nominal Battery Voltage | 12V / 24VDC (Auto Detection)'}] |
| rs485 |
True
MUST — PC1800A Series (30A, 40A) MPPT Solar Charge Controller
|
Documents
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| builder_completeness | partial |
| region_notes | DC-side MPPT solar charge controller with no AC grid connection; MUST publishes one worldwide specification for the PC1800A family. |
| withheld:number_of_mppt | 1 |