Knowledge Base › External MPPT Controllers
Mastervolt SCM25 MPPT
Official manufacturer GLOBAL verified Sept. 25, 2026
Identity
| category | external_mppt_controllers |
| manufacturer | Mastervolt |
| model | SCM25 MPPT |
| product_status | active |
| region | GLOBAL |
Electrical
| battery_voltage_nominal_v | 12/24/36/48V Auto |
| battery_voltage_supported |
[12, 24]
SCM25 MPPT product page (product code 131902500)
|
| charge_current_a |
25
SCM25 MPPT product page (product code 131902500)
|
| load_output_current_a |
25
SCM25 MPPT product page (product code 131902500)
|
| max_charge_current_a | 30.0 |
| max_dc_voltage_v | 100.0 |
| max_efficiency_pct | 98.0 |
| max_efficiency_percent |
98
SCM25 MPPT product page (product code 131902500)
|
| max_pv_current_a |
18
SCM25 MPPT product page (product code 131902500)
|
| max_pv_open_circuit_voltage_v | 100.0 |
| max_pv_power_w |
[360, 720]
SCM25 MPPT product page (product code 131902500)
|
| max_pv_voltage_v |
75
SCM25 MPPT product page (product code 131902500)
|
| mppt_efficiency_percent |
99.9
SCM25 MPPT product page (product code 131902500)
|
| mppt_voltage_max_v |
[66, 66]
SCM25 MPPT product page (product code 131902500)
|
| mppt_voltage_min_v |
[15, 30]
SCM25 MPPT product page (product code 131902500)
|
| official_product_url |
https://www.mastervolt.com/products/solar-charge-controllers/scm25-mppt/
SCM25 MPPT product page (product code 131902500) — inventory record source_url
|
| self_consumption_ma |
5
SCM25 MPPT product page (product code 131902500)
|
| startup_voltage_v |
[15, 27]
SCM25 MPPT product page (product code 131902500)
|
Physical / mechanical
| depth_mm |
75
SCM25 MPPT product page (product code 131902500)
|
| height_mm |
135
SCM25 MPPT product page (product code 131902500)
|
| weight_kg |
1.3
SCM25 MPPT product page (product code 131902500)
|
| width_mm |
190
SCM25 MPPT product page (product code 131902500)
|
Environment
| ip_rating |
IP23
SCM25 MPPT product page (product code 131902500)
|
| operating_temperature_max_c |
55
SCM25 MPPT product page (product code 131902500)
|
| operating_temperature_min_c |
-20
SCM25 MPPT product page (product code 131902500)
|
Interfaces & connectors
| communication | RS485 (Modbus) |
| documented_ports | [{'port_role': 'DC_OUT', 'port_label_from_manual': 'Switchable output (max. current)', 'port_type': 'DC load output', 'direction': 'output', 'electrical_domain': 'DC', 'max_current_a': 25, 'document': 0, 'page': 'Technical specifications', 'quote': 'Switchable output (max. current) | 25 A'}, {'port_role': 'TEMPERATURE_SENSOR', 'port_label_from_manual': 'Battery temperature sensor', 'port_type': 'temperature sensor input', 'direction': 'input', 'electrical_domain': 'communication', 'document': 0, 'page': 'Technical specifications', 'quote': 'Battery temperature sensor | Yes'}] |
Documents
product_page
Mastervolt SCM25 MPPT product page
product_page
SCM25 MPPT product page (product code 131902500)
user_manual
Manual SolarChargemaster 25 (EN) 10000009291_02
Additional documented parameters
Recorded verbatim from the source; no schema field exists for these yet.
| builder_completeness | partial |
| region_notes | One worldwide product code (131902500). |