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Knowledge BaseExternal MPPT Controllers

Victron Energy SmartSolar MPPT 100/20-48V

Official manufacturer global verified Sept. 2, 2026

Identity

category external_mppt_controllers
ean UNKNOWN
generation UNKNOWN
manufacturer Victron Energy B.V.
market_version UNKNOWN
model SmartSolar MPPT 100/20-48V
mpn UNKNOWN
product_family SmartSolar MPPT 75/10, 75/15, 100/15 & 100/20
product_status active
region global
release_year UNKNOWN
sku UNKNOWN
variant_note The datasheet column is headed 'MPPT 100/20-48V'; the manual column and the product page both call it 'MPPT 100/20'. Treated as one product. Its load output is current-limited to 1 A on a 48 V battery, versus 20 A on 12 V and 24 V - do not flatten.

Electrical

automatic_load_disconnect Yes
battery_voltage_auto_select True
battery_voltage_locator 'Battery voltage (auto select)'
battery_voltage_options_v [12, 24, 48]
charge_algorithm Multi-stage adaptive or user defined
charge_voltage_absorption_v 14.4 / 28.8 / 57.6 V (adjustable)
charge_voltage_equalization_v 16.2V / 32.4V / 64.8V (adjustable) - manual; equalization is by default disabled (manual footnote 3)
charge_voltage_float_v 13.8 / 27.6 / 55.2 V (adjustable)
load_output_continuous_current_a 12V & 24V: 20A / 48V: 1A
load_output_locator Manual §9 'Continuous load current'
low_voltage_load_disconnect_v 11.1V / 22.2V / 44.4V or 11.8V / 23.6V / 47.2V or BatteryLife
low_voltage_load_reconnect_v 13.1V / 26.2V / 52.4V or 14V / 28V / 56V or BatteryLife
max_charge_current_a 20
max_charge_current_locator Datasheet 'Rated charge current'; manual 'Maximum battery current'
max_pv_open_circuit_voltage_locator 'Maximum PV open circuit voltage' = 100 V (no separate start-up/operating maximum is published for this family)
max_pv_open_circuit_voltage_v 100
max_pv_power_locator 'Nominal PV power, 12 V' / 'Nominal PV power, 24 V' / 'Nominal PV power, 48 V'
max_pv_power_note Manual footnote 1a: 'The solar charger will limit input power if more PV power is connected.'
max_pv_power_w_by_battery_voltage {'12': 290, '24': 580, '48': 1160}
max_pv_short_circuit_current_a 20
max_pv_short_circuit_current_datasheet_a 20
max_pv_short_circuit_current_manual_a 20
mppt_operating_voltage_max_v UNKNOWN
mppt_operating_voltage_min_note Manual footnote 1b: 'The PV voltage must exceed Vbat + 5V for the controller to start. Thereafter the minimum PV voltage is Vbat + 1V.'
num_trackers UNKNOWN
num_trackers_note Victron does not publish a 'number of MPP trackers' row for this model in any document fetched this session; the unit has a single PV input pair. Recorded as UNKNOWN rather than assumed. (For the 150/60 and larger families the manual does state MC4 connector pairs are internally parallel-connected to a single MPPT tracker.)
peak_efficiency_pct 98
self_consumption_datasheet 26 / 20 / 19 mA (load on); 10 / 8 / 7 mA (load off)
self_consumption_manual 12V: 25mA / 24V & 48V: 15mA
temperature_compensation -16 mV/degC (12V) / -32 mV/degC (24V) / -64 mV/degC (48V)

Physical / mechanical

depth_mm 60
dimensions_locator 'Dimensions (h x w x d)'
enclosure_material UNKNOWN
height_mm 100
housing_color Blue (RAL 5012)
mounting_type ['wall']
power_terminals 6 mm2 / AWG10
shipping_weight_kg UNKNOWN
torque_specs UNKNOWN
weight_kg 0.65
width_mm 131
wire_cross_section_mm2 6 mm2 / AWG10

Installation

altitude_derating_note 5000m (full rated output up to 2000m)
indoor_outdoor Indoor type 1, unconditioned (manual 'Environmental condition')
max_installation_altitude_m 5000
mounting_orientation UNKNOWN

Environment

cooling_method UNKNOWN (no fan row published)
ip_rating IP43 (electronic), IP22 (connection area)
max_altitude_m 5000
nema_rating UNKNOWN
operating_temperature_c -30 to +60 (full rated output up to 40)
pollution_degree PD3
relative_humidity CONFLICT - 95% (datasheet) vs 100% (manual), both non-condensing
storage_temperature_c UNKNOWN

Interfaces & connectors

battery_terminal_type screw terminal, 6 mm2 / AWG10
bluetooth Yes - built in (SmartSolar); 'VE.Direct port, Bluetooth via VictronConnect app'
ethernet UNKNOWN
load_output Yes - 12V & 24V: 20A / 48V: 1A continuous load current with automatic load disconnect / BatteryLife
pv_connector_type screw terminal, 6 mm2 / AWG10
relay_outputs UNKNOWN (not published for this family)
remote_on_off UNKNOWN
rs485 UNKNOWN
ve_can False
ve_direct Yes - 1 x VE.Direct port
wifi UNKNOWN

Protection

over_temperature Yes
over_voltage UNKNOWN
pv_reverse_polarity Yes
short_circuit Output short circuit
under_voltage UNKNOWN

Certifications

standards ['EN/IEC 62109-1', 'UL 1741', 'CSA C22.2 NO.107.1-16']

Warranty & service

summary UNKNOWN (Victron's 5-year standard warranty is stated on other SmartSolar product pages but was not quoted on the page fetched for this family)

Documents

datasheet SmartSolar Charge Controller MPPT 75/10, 75/15, 100/15, 100/20-48V — datasheet
product-page SmartSolar MPPT 75/10, 75/15, 100/15 & 100/20 — official product page
user-manual MPPT solar charger manual SmartSolar MPPT 75/10 up to 100/20 — 9. Technical specifications

Recorded conflicts

electrical.self_consumption Review required
26 / 20 / 19 mA (load on); 10 / 8 / 7 mA (load off) — document[0]
12V: 25mA / 24V & 48V: 15mA — document[1]
environment.relative_humidity Review required
95 %, non-condensing — document[0]
100%, non-condensing — document[1]

Additional documented parameters

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

1b)The PV voltage must exceed Vbat + 5V for the controller to start. Thereafter the minimum PV voltage is Vbat + 1V.
2)A higher short circuit current may damage the solar charger in case of reverse polarity connection.
3)Equalization is by default disabled.
Automatic load disconnectYes
Environmental conditionIndoor type 1, unconditioned
Low voltage load disconnect11.1V / 22.2V / 44.4V or 11.8V / 23.6V / 47.2V or BatteryLife
Low voltage load reconnect13.1V / 26.2V / 52.4V or 14V / 28V / 56V or BatteryLife
Pollution degreePD3

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