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Brand: Victron Energy
Victron SmartSolar MPPT 150/35 and 150/45 Charge Controller
Description
A Bluetooth MPPT solar charge controller for 12, 24 and 48 V battery banks
The Victron SmartSolar MPPT 150/35 (with its 150/45 sibling) is a maximum power point tracking charge controller with built-in Bluetooth for set-up and monitoring through the VictronConnect app, and a VE.Direct port for a GX device or PC. It auto-selects 12, 24 or 48 V battery voltage (36 V needs the software tool) and carries 35 A or 45 A of charge current. Victron states ultrafast tracking for changing light, a multi-peak algorithm for partial shading, maximum efficiency above 98 percent and no cooling fan, with full output up to 40 C.
Technical specifications
| Parameter | MPPT 150/35 | MPPT 150/45 |
|---|---|---|
| Rated charge current | 35 A | 45 A |
| Nominal PV power, 12 V | 500 W | 650 W |
| Nominal PV power, 24 V | 1000 W | 1300 W |
| Nominal PV power, 36 V | 1500 W | 1950 W |
| Nominal PV power, 48 V | 2000 W | 2600 W |
| Max. PV short-circuit current | 40 A | 50 A |
| Parameter | Specification |
|---|---|
| Battery voltage | 12 / 24 / 48 V auto select (36 V via software tool) |
| Max. PV open-circuit voltage | 150 V absolute maximum in coldest conditions; 145 V start-up and operating maximum |
| Maximum efficiency | 98 percent |
| Self-consumption | 12 V: 20 mA; 24 V: 15 mA; 48 V: 10 mA |
| Absorption / float (default) | 14.4 / 28.8 / 43.2 / 57.6 V and 13.8 / 27.6 / 41.4 / 55.2 V, adjustable |
| Charge algorithm | Multi-stage adaptive, eight pre-programmed algorithms |
| Temperature compensation | -16 / -32 / -64 mV per C |
| Protection | PV reverse polarity, output short circuit, over-temperature |
| Operating temperature | -30 to +60 C (full output up to 40 C) |
| Humidity | 95 percent non-condensing |
| Power terminals | 16 mm2 / AWG6 |
| Protection category | IP43 electronics, IP22 connection area |
| Weight / dimensions | 1.25 kg; 130 x 186 x 70 mm (h x w x d) |
| Data / trends | VE.Direct port; 46 days of stored trends |
| Standards | EN/IEC 62109-1, UL 1741, CSA C22.2 |
Sizing the array
The PV voltage must exceed the battery voltage by 5 V for start-up and then by 1 V, and the open-circuit voltage of the string at the coldest expected temperature must stay below 150 V. Connected power above the nominal rating is limited by the controller, but an array short-circuit current above 40 A (35 A model) or 50 A (45 A model) may damage it. A Smart Battery Sense or BMV-712 can pass battery voltage and temperature to the controller over Bluetooth for better charging. Other Victron units are in solar power, such as the Victron MultiPlus-II 48/5000.
Typical use
Small off-grid systems, telecom and monitoring stations, pumping, signalling and remote shelters use this class of controller. Confirm the battery chemistry and charge profile with the battery maker before commissioning; the controller supports a fully discharged lithium reconnect function with an integrated disconnect.
Documents and quotation
The attached Victron datasheet covers the MPPT 150/35 and 150/45 versions. State the nominal battery voltage, PV array configuration and variant (35 A or 45 A) when requesting a quotation.
Datasheets & Documents
- Datasheet Victron SmartSolar charge controller MPPT 150/35 and 150/45 datasheet Download
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About brand
A battery-based backup or off-grid system needs one device that inverts, charges the battery and switches between AC sources. In the Victron Energy program that device is the MultiPlus-II inverter charger. Victron Energy, founded in 1975 and based in Almere, Netherlands, makes inverters, chargers and battery systems.
Seven Star LLC is an independent supplier in Muscat. We list the MultiPlus-II 48/5000/70-50 and source Victron inverter chargers for buyers in Oman.
Reading the Victron MultiPlus-II 48/5000/70-50 model name
The name carries the main ratings: a 48 V battery system, 5000 VA inverter output, a 70 A battery charger and a 50 A AC transfer switch. Victron's documentation gives a 230 VAC output and continuous power of 4000 W at 25 °C, falling to 3700 W at 40 °C. The unit supports Victron's PowerControl and PowerAssist functions for use with a limited grid or generator supply.
Ordering Victron Energy equipment: what we need
Send the complete model name, state if you need the standard or the GX version, and give the battery voltage and battery type. Tell us if the unit will run alone, in parallel or in a three-phase group, and the ambient temperature at the site, which matters in the GCC. We check the model against Victron documentation and provide the manufacturer's datasheet on request.
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Frequently Asked Questions
What battery voltages does the MPPT 150/35 support?
12, 24 and 48 V with automatic selection; 36 V needs the software tool.
What is the maximum PV open-circuit voltage?
150 V in the coldest conditions, with 145 V as the start-up and operating maximum.
How much PV power can it use at 24 V?
1000 W for the 150/35 and 1300 W for the 150/45.
Does it have Bluetooth?
Yes. Bluetooth Smart is built in for use with the VictronConnect app, plus a VE.Direct port.
What is the peak efficiency?
Victron states a maximum efficiency of 98 percent.
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