Solar Charge Controllers

Victron SmartSolar MPPT 150/45 to 150/100 Solar Charge Controller

The Victron SmartSolar MPPT 150 series covers five solar charge controllers, the 150/45, 150/60, 150/70, 150/85 and 150/100, for 12V, 24V and 48V battery systems in off-grid, hybrid and remote power installations. All five accept up to 150V PV open circuit voltage, and the model number gives the maximum charge current, from 45A to 100A. At 48V, nominal PV power runs from 2600W on the 150/45 to 5800W on the 150/100. Battery voltage is detected automatically at 12V, 24V and 48V, with 36V selectable in software.

Ultra-fast Maximum Power Point Tracking follows changing light conditions closely, which Victron rates at up to 30% more energy harvest than a PWM controller and up to 10% more than slower MPPT controllers. When panels are partly shaded and the power curve has more than one peak, the controller finds the true maximum power point instead of settling on a local one. Peak conversion efficiency is 98%.

Charging uses an adaptive multi-stage algorithm with eight pre-programmed settings, selected by rotary switch, plus a fully user-defined algorithm for lithium and other battery types. Equalisation is available for flooded lead-acid banks, an internal temperature sensor handles temperature compensation, and the controller will charge a battery that has been discharged to zero volts.

Bluetooth Smart is built in, so setup, monitoring and firmware updates run through the VictronConnect app without a separate dongle. A VE.Direct port connects to a Cerbo GX or other GX device for system monitoring, while the programmable relay and remote on/off input support alarm and load control. A pluggable LCD display is available as an option.

Every Victron SmartSolar MPPT 150 model is protected against PV reverse polarity, output short circuit and over-temperature. The electronics are rated IP43 and the connection area IP22, with an operating range of -30°C to +60°C (full rated output up to 40°C).

Powerbox supplies the Victron SmartSolar MPPT 150/45 to 150/100 range with Australian engineering support for system sizing and model selection. For other PV voltages and current ratings, see our full range of solar charge controllers.

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Victron SmartSolar MPPT 150/45 to 150/100 solar charge controller with built-in Bluetooth

Features

45A to 100A Solar charge controller
12V~48Vdc Autoselect
Bluetooth Smart built-in: dongle not needed
98% efficiency
Ultra-fast Maximum Power Point Tracking (MPPT)
Advanced Maximum Power Point Detection in case of partial shading conditions
Outstanding conversion efficiency
Flexible charge algorithm
Extensive electronic protection
Internal temperature sensor
VE Direct
Remote on-off
Programmable relay
Optional: pluggable LCD display

Specifications

SMARTSOLAR CHARGE CONTROLLER
Battery Voltage	12V, 24V, 36V, 48V Auto Select (software tool needed to select 36V) See selection table
Rated charge current	See selection table
Nominal PV power	See selection table
Max PV open circuit voltage	150V absolute max coldest conditions 145V start-up and operating max
Maximum efficiency	98%
Self-consumption	Less than 35mA @ 12V / 20mA @ 48V
Charge voltage 'absorption'	Default setting: 14,4 / 28,8 / 43,2 / 57,6V (adjustable with: rotary switch, display, VE.Direct or Bluetooth)
Charge voltage 'float'	Default setting: 13,8 / 27,6 / 41,4 / 55,2V (adjustable with: rotary switch, display, VE.Direct or Bluetooth)
Charge voltage 'equalization'	Default setting: 16,2 / 32,4 / 48,6 / 64,8V (adjustable with: rotary switch, display, VE.Direct or Bluetooth)
Charge algorithm	multi-stage adaptive (eight preprogrammed algorithms) or user defined algorithm
Temperature compensation	12V: -16 mV / 24V: -32 mV / 48V: -64 mV/°C
Protection	Battery reverse polarity (fuse, not user accessible) PV reverse polarity Output short circuit Over temperature
Data communication port	VE.Direct or Bluetooth
Remote on/off	Yes (2 pole connector)
Programmable relay	DPST AC rating: 240VAC / 4A DC rating: 4A up to 35VDC, 1A up to 60VDC
Parallel operation	Yes (not synchronized)

ENVIRONMENTAL
Operating temperature	-30 to +60°C (full rated output up to 40°C)
Humidity	95%, non-condensing
Maximum altitude	5000m (full rated output up to 2000m)
Environmental condition	Indoor, unconditioned
Pollution degree	PD3

STANDARDS
Safety	EN/IEC 62109-1, UL 1741, CSA C22.2

MECHANICAL
Colour	Blue (RAL 5012)
PV terminals	35 mm² / AWG2 (Tr models) Two pairs of MC4 connectors (MC4 models) 150/45, 150/60 and 150/70) . Three pairs of MC4 connectors (MC4 models) 150/85 and 150/100) . MC4 models: several splitter pairs may be needed to parallel the strings of solar panels.
Battery terminals	35 mm² / AWG2
Protection category	IP43 (electronic components), IP22 (connection area)
Weight	MPPT150/45, 150/60 and 150/70, 3 kg MPPT150/85 and 150/100, 4,5 kg
Dimensions (h.w.d)mm MPPT150/45, 150/60 and 150/70	Tr models: 185 x 250 x 95 MC4 models: 215 x 250 x 95
Dimensions (h.w.d)mm MPPT150/85 and 150/100	Tr models: 216 x 295 x 103 MC4 models: 246 x 295 x 103

Selection Table

SmartSolar Charge Controller	MPPT 150/45	MPPT 150/60	MPPT 150/70	MPPT 150/85	MPPT 150/100
Battery voltage (Auto Select)		12 / 24 / 48V software tool needed to select 36V
Rated charge current	45A	60A	70A	85A	100A
Nominal PV power, 12V 1a,b)	650W	860W	1000W	1200W	1450W
Nominal PV power, 24V 1a,b)	1300W	1720W	2000W	2400W	2900W
Nominal PV power, 36V 1a,b)	1950W	2580W	3000W	3600W	4350W
Nominal PV power, 48V 1a,b)	2600W	3440W	4000W	4900W	5800W
Max. PV short circuit current 2)	50A max 30A / MC4 conn			70A max 30A / MC4 conn

1a) If more PV power is connected, the controller will limit input power.
1b) The PV voltage must exceed Vbat + 5V for the controller to start. Thereafter the minimum PV voltage is Vbat + 1V./p>
2) A higher sort circuit current may damage the controller in case of reverse polarity connection of the PV array.

Technical Drawings

Pair of blue SmartSolar charge controllers, one with display and one without

SmartSolar controller display and phone app showing solar panel data.

Wiring diagram showing a solar panel connected to a battery via a charge controller.

Downloads

Datasheet-SmartSolar-charge-controller-MPPT-150-35-_-150-45-EN.pdf

Warranty & Returns

Warranty periods vary by product. Please refer to the Powerbox Warranty Policy for the applicable coverage period against manufacturing defects from date of purchase. For returns and RMA requests, please visit our RMA support page or contact our support team directly.

FAQs

How do I choose between the MPPT 150/45, 150/60, 150/70, 150/85, and 150/100 models?

All five models share the same 150V maximum PV open circuit voltage and support 12/24/48Vdc battery systems (36Vdc available via software selection). The model numbers indicate maximum charge current: 45A, 60A, 70A, 85A, or 100A respectively. At 48Vdc, nominal PV power ranges from 2600W (150/45) up to 5800W (150/100). Select based on your maximum PV array size and required charge rate — contact Powerbox at sales@powerbox.com.au for system sizing assistance.

What are the core electrical specifications across this series?

All models accept a maximum PV open circuit voltage of 150V (145V start-up and operating maximum) and operate at up to 98% conversion efficiency. Battery voltage is auto-detected across 12V, 24V, and 48V (36V requires software selection). Self-consumption is less than 35mA at 12V and 20mA at 48V. Temperature compensation is –16mV/°C (12V), –32mV/°C (24V), or –64mV/°C (48V). Charge voltage defaults are fully adjustable via rotary switch, optional display, VE.Direct, or Bluetooth.

What makes this series more capable than the MPPT 100-series controllers, and when should I step up?

The 150-series raises the maximum PV open circuit voltage from 100V to 150V, enabling connection of higher-voltage panel strings without additional string combining. The series also introduces parallel operation capability, a programmable DPST relay (rated 240Vac/4A or 4A up to 35Vdc), a remote on/off input, and an optional pluggable LCD display — features absent from the 100-series.

What charge algorithms and battery types does this series support?

The MPPT 150-series offers eight pre-programmed adaptive multi-stage charge algorithms covering sealed lead-acid, gel, AGM, and other battery types, plus a fully user-defined algorithm for custom battery profiles. An equalization charge function is also available (default 16.2/32.4/48.6/64.8V, adjustable), useful for managing flooded lead-acid batteries in industrial and off-grid applications.

What are the installation and environmental ratings for this series?

The MPPT 150/45, 150/60, and 150/70 models weigh 3kg and measure 185 × 250 × 95mm (Tr) or 215 × 250 × 95mm (MC4). The 150/85 and 150/100 are slightly larger at 4.5kg. All models are rated IP43 for electronics and IP22 at the connection area, and operate from –30°C to +60°C (full rated output to 40°C) at altitudes to 5000m — suitable for demanding outdoor enclosures in Australian climate conditions.

What connectivity and monitoring options are available?

Each unit includes built-in Bluetooth Smart for wireless monitoring and configuration via the VictronConnect app, plus a VE.Direct port for wired connection to Cerbo GX, CCGX, or compatible monitoring equipment. A programmable DPST relay enables external alarm or load control functions. Remote on/off is available via a 2-pole connector. An optional pluggable LCD display module can be added for on-unit visibility without a smartphone.

What safety standards apply and is this product suitable for Australian industrial deployments?

The MPPT 150-series complies with EN/IEC 62109-1, UL 1741, and CSA C22.2. Protection features include battery reverse polarity (fused), PV reverse polarity, output short circuit, and over-temperature protection. The Battery Recovery function can charge batteries discharged to zero volts — a practical feature for maintaining battery health in remote or infrequently serviced industrial installations across Australia and New Zealand.

What Powerbox support is available for selecting and deploying this series?

Powerbox Australia stocks the full SmartSolar MPPT 150-series and can assist with PV array sizing, battery bank matching, and system integration planning. Reach out at sales@powerbox.com.au or call 1800 251 380.

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