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SMA STM-BM-4.09-10

Official manufacturer EU verified Sept. 23, 2026

Identity

category batteries
manufacturer SMA
model STM-BM-4.09-10
product_status active
region EU
variant HV

Electrical

altitude_max_m 3000
battery_voltage_class HV
SMA Storage M (STM-BMS-10 / STM-BM-4.09-10) technical data sheet, STM-BM-10-DS-en-10
bms_included Yes - separate STM-BMS-10 BMS unit required per system (not part of the battery module)
bms_integrated False
SMA Storage M (STM-BMS-10 / STM-BM-4.09-10) technical data sheet, STM-BM-10-DS-en-10
chemistry LFP
SMA Storage M (STM-BMS-10 / STM-BM-4.09-10) technical data sheet, STM-BM-10-DS-en-10
continuous_discharge_current_a 100.0
cooling_method Natural cooling
cycle_life 6000
dc_connection MC4 Evo 2
dc_connector MC4 Evo 2
SMA Storage M (STM-BMS-10 / STM-BM-4.09-10) technical data sheet, STM-BM-10-DS-en-10
depth_of_discharge_pct 90.0
dimensions_raw 530 x 133 x 405 mm
SMA Storage M (STM-BMS-10 / STM-BM-4.09-10) technical data sheet, STM-BM-10-DS-en-10
humidity_range_pct 5 to 100 non-condensing
max_charge_current_a 80.0
max_continuous_charge_current_a [30, 50]
SMA Storage M (STM-BMS-10 / STM-BM-4.09-10) technical data sheet, STM-BM-10-DS-en-10
max_continuous_discharge_current_a [30, 50]
SMA Storage M (STM-BMS-10 / STM-BM-4.09-10) technical data sheet, STM-BM-10-DS-en-10
max_discharge_current_a 100.0
maximum_modules 12
SMA Storage M (STM-BMS-10 / STM-BM-4.09-10) technical data sheet, STM-BM-10-DS-en-10
minimum_modules 3
SMA Storage M (STM-BMS-10 / STM-BM-4.09-10) technical data sheet, STM-BM-10-DS-en-10
nominal_capacity_ah 100.0
nominal_energy_kwh 4.31
nominal_voltage_v 51.2
operating_voltage_max_v 57.6
operating_voltage_min_v 44.8
overvoltage_category II / II (battery / inverter)
round_trip_efficiency_pct 93.5 (at C rate 0.2)
round_trip_efficiency_percent 93.5
SMA Storage M (STM-BMS-10 / STM-BM-4.09-10) technical data sheet, STM-BM-10-DS-en-10
usable_capacity_kwh 4.09
SMA Storage M (STM-BMS-10 / STM-BM-4.09-10) technical data sheet, STM-BM-10-DS-en-10
usable_energy_kwh 4.09
warranty_years 2 / 10
weight_raw 36 kg
SMA Storage M (STM-BMS-10 / STM-BM-4.09-10) technical data sheet, STM-BM-10-DS-en-10

Physical / mechanical

dimensions_mm 530 x 133 x 405 (W x H x D), battery module
mounting 19-inch Rack / Wall-mount
weight_kg 36

Environment

ip_rating IP66
SMA Storage M (STM-BMS-10 / STM-BM-4.09-10) technical data sheet, STM-BM-10-DS-en-10
operating_temperature_max_c 60.0
operating_temperature_min_c -25.0
operating_temperature_range_c -20 to +50 disputed
SMA Storage M (STM-BMS-10 / STM-BM-4.09-10) technical data sheet, STM-BM-10-DS-en-10
optimum_operating_temperature_c 15 to 30
storage_temperature_range_c -30 to 60 for 7 days; -20 to 45 for 6 months

Interfaces & connectors

communication CAN, RS485
communication_interface RJ45 (CAN)
communication_protocol SMA battery interface
communications ['CAN']
SMA Storage M (STM-BMS-10 / STM-BM-4.09-10) technical data sheet, STM-BM-10-DS-en-10
documented_ports [{'port_role': 'DC_OUT', 'port_label_from_manual': 'DC connection', 'port_type': 'MC4 Evo 2', 'direction': 'bidirectional', 'electrical_domain': 'DC', 'document': 0, 'page': 'General data', 'quote': 'DC connection: MC4 Evo 2'}, {'port_role': 'CAN', 'port_label_from_manual': 'Communication interface', 'port_type': 'RJ45', 'direction': 'bidirectional', 'electrical_domain': 'communication', 'document': 0, 'page': 'Communication', 'quote': 'Communication interface: RJ45 (CAN); Communication protocol: SMA battery interface'}]

Protection

protection_degree_ip IP66
protections Input-side disconnection point; DC reverse polarity protection

Certifications

certifications CE, UN 38.3, IEC 62619, IEC 62477, VDE 2510-50

Documents

datasheet SMA Storage M (STM-BMS-10 / STM-BM-4.09-10) technical data sheet, STM-BM-10-DS-en-10
product_page SMA Storage M high-voltage battery for homes and small businesses

Recorded conflicts

environment.operating_temperature_range_c Review required
-20 to +50 — stored value
-20 to 50 — incoming package
Detected during import deep-enrich-pass2-2026-09-batch15

Additional documented parameters

Recorded verbatim from the source; no schema field exists for these yet.

builder_completenesspartial
region_notesSMA publishes this battery for its European residential/small-commercial range; the English data sheet STM-BM-10-DS-en-10 is the European edition.