BatteryProtect: It does exactly what is says and more…

Affordable and effective the BatteryProtect range has been further expanded to include two new models; BatteryProtect 48V-100A and BatteryProtect 12/24V 65A.

I wish I’d known about these earlier for my boat as they do far more than just protect. Of course they can be used in any battery application (not just boats) that needs to be protected and isolated. In fact why buy a battery isolation switch at all – when a BatteryProtect can do that and more. Lesson learned as they say.

Key features

LED display making setup/programming easy.
Often used in lithium systems due to low standby current in comparison to a relay.
Lithium system remotely controllable disconnect switch. Note that this no longer uses its internal voltage measurement for disconnecting, as it is now remotely controlled by the BMS.
Ideal for vehicles, solar installations, boats and motorhomes.
Solid state switching for longevity.
Lower energy consumption than closing a relay.
Can act as a battery isolator and be switched remotely.
Use in conjunction with a BMV-700 series battery monitor for audible alarms and monitoring.
And why not use the VictronConnect app & Bluetooth Smart dongle with your BMV or MPPT solar charge controller – making life even easier.

Example schematic

What exactly can BatteryProtect do?

BatteryProtect will disconnect the battery from non-essential loads before it is completely discharged (which would damage the battery) or before it has insufficient power left, to crank an engine for example. Here are the features common to all models:

Programming made easy using visual LED – can be set to engage / disengage at several different voltages. The seven segment display will indicate which setting has been chosen.
Special setting for Li-ion batteries – in this mode the Battery Protect can be controlled by the VE.Bus BMS.
Ultra-low current consumption – this is important in case of Li-ion batteries, especially after low voltage shutdown. Please see our Li-ion battery datasheet and the VE.Bus BMS manual for more information.
Over voltage protection – to prevent damage to sensitive loads due to over voltage, the load is disconnected whenever the DC voltage exceeds 64V; 16 V and 32V respectively for 12V and 24V systems.
Ignition proof – no relays but MOSFET switches, and therefore no sparks.
Delayed alarm output – the alarm output is activated if the battery voltage drops below the preset disconnect level for more than 12 seconds. Starting the engine will therefore not activate the alarm. The alarm output is a short circuit proof open collector output to the negative (minus) rail, max. current 50mA. The alarm output is typically used to activate a buzzer, LED or relay.
Delayed load disconnect and delayed reconnect – the load will be disconnected 90 seconds after the alarm has been activated. If the battery voltage increases again to the connect threshold within this time period (after the engine has been started for example), the load will not be disconnected. The load will be reconnected 30 seconds after the battery voltage has increased to more than the preset reconnect voltage.

Model Range

12/24V models

In addition to the features above (if choosing a 12/24V model) these have automatic detection of 12 or 24 V system voltages.

BatteryProtect 12/24V 65A
BatteryProtect 12/24V-100A
BatteryProtect 12/24V-220A

48V model

BatteryProtect 48V-100A

Conclusion

An affordable, multi function product. Fit to new systems or upgrade your old ones. Learn more at: https://www.victronenergy.com/battery_protect/battery-protect

John Rushworth

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cerbo-gx-now-on-e-order-and-ready-for-pre-order-featured

John Rushworth • 06 February 2020

Cerbo GX & GX Touch 50

The new Cerbo GX, along with the optional GX Touch 50 display, were announced and demonstrated at METS, November 2019 . Personally I’m a great fan of GX devices, the Color Control GX, Venus GX and more – all being a part of the Victron GX product range . Detailed introductory blogpost by Panbo However, my 6 years personal experience is with the Color Control GX model – so I’d be doing you the reader a disservice by reviewing the Cerbo GX. Also, as I blog for Victron, I admit to a natural and faithful bias. It seems only right and proper then to let an independent reviewer give you their take on this exciting new product. What I can say though – is that going by the review on Panbo, the product will be in great demand. For a detailed introduction, I recommend reading the Panbo blog post by Ben Ellison: Victron Cerbo GX, good AC/DC power monitoring gets better . Introductory video GX Touch 50 display The GX Touch 50 is the optional display for the Cerbo GX. Its water proof, thin, and easy to mount. There is a cable coming out on the back with two plugs on it: the HDMI goes into the HDMI port on the Cerbo, and the USB (used to power the display) goes into one of the USB sockets. For all details, including dimensions and the manual, see the GX Touch 50 product page . Optional DIN rail adapter The optional DIN rail adapters are to easily mount the Cerbo GX on a DIN-Rail. Dimensions and details are available on its page on our website . Conclusion When you consider just how far GX devices have come in the last 6 years ( just take a look back to 2014 ), then the Cerbo GX is to my mind the ultimate GX turbo charged device for connectivity. Learn more at the Cerbo GX product page . John Rushworth

Justin Tyers • 04 May 2022

Intersolar Europe 2022 – Preview

We’re looking forward to meeting you face-to-face at Intersolar Europe! It’s the world’s largest exhibition of Solar Energy, and takes place on May 11th, 12th or 13th at Messe München . Best known for our Inverter/Chargers and Solar Charge Controllers – we’re always adding exciting new devices to our range of products for private energy installations – for Industry, Leisure, Home, Off-Grid, and Mobile working. This year is no exception – We’ve got some great new products to show you when you come to our stand – number B4.160. For example, you’ll be able to take a really close look at our brand new Electric Vehicle Charging Station . Incorporating an LCD Touch Screen, it’s a 32A charger capable of providing 22kW of power from a 3-Phase supply, or 7.3kW from a standard single-phase supply. Fully programmable and customisable. User defined light rings provide at-a-glance state of charge. WiFi Communication on board. Can be programmed to use surplus Solar Energy. The latest addition to our extensive range of Inverter/Chargers is the Quattro-II 48/5000 . As part of an ESS (Energy Storage System) it maximises the consumption of ‘home’ produced energy. 2 AC inputs – power will automatically be taken from a connected grid or generator, whichever has live AC available. 2 AC outputs – Second AC output is only active when there is an AC input, so non-essential loads are dropped in case of loss of grid or generator power. Plus all the useful features of our Inverter/Charger range The Multi RS Solar 48/6000 is an Inverter Charger with a 450V Solar Charger on board. It also has a bi-directional DC-DC charger which charges the battery with excess solar power, or converts power from the battery when required. The 4kWp Solar Charger can be daisy chained to more Solar Chargers, with the possibility of synchronised charging; the Multi RS can also be connected to PV Inverters. 80 – 450VDC input Display. Data can also be read from phone or Bluetooth device. Extendable PV capacity – both AC and DC coupled. Can be connected to a GX device via VE Can. Can be connected to a GlobalLink 520 vie VE Direct The new SmartShunt IP65 is an all-in-one battery monitor which you access using your phone – via Bluetooth. The unit allows clutter-free installation, having less cabling – and its IP65 rating allows it to be installed in tough environments such as an engine room which might be prone to dust and water spray. Remote data access via your phone means it can be installed out-of-sight and out of the way. The SmartShunt is available in three models: 500A / 1000A / 2000A Extensive Live and Historic Data parameters available straight to your phone Can also be read by a GX device for screen data display Can monitor second battery, midpoint monitoring, or temperature input 500A / 1000A /2000A models available Much more to see You’ll be able to see many more new products on our stand. Here are the additional products we will be able to demonstrate on your visit: Easysolar-II GX 48/5000 – is a combined Inverter/Charger, Solar Charge Controller, and system controller for easy installation. SmartSolar MPPT RS 450/100 and SmartSolar MPPT RS 450/200 – are Solar Charge Controllers for large PV arrays charging 48 volt batteries. Lynx Smart BMS is a feature-rich Battery Management System for Lithium Batteries Lynx Smart Shunt is a 1000A shunt for systems with a GX device. Part of the cool ‘Lynx’ distribution series. Your visit is a chance to get answers to all your questions about any of these new devices, or any of our hundreds of power products for Leisure, Industry, Marine, Home, and Mobile work setups. Parallel Conference Intersolar Attendees interested in Off-Grid applications might like to register for the parallel conference entitled Off-Grid Innovation – Digital, Control & Monitoring Solutions, Batteries during which our own Bob Hopman will be talking on the subject of: Innovating Integration of Efficient Power Electronics, Monitoring & Control. The conference takes place on Wednesday 11th from 11:00 – 12:30 in Room 12. See you at Intersolar 2022!

Justin Tyers • 25 March 2022

Summer Hobbies / Winter Storage

Summer cabins; Boats, Vans, Motorhomes and Classic vehicle enthusiasts – twice a year, around the solar equinox, it’s time for half the world to take the wraps off their hobbies, and the other half to put them back on. How do you ensure that from the moment the winter cover goes on to the moment it comes off your pride and joy will remain in tip-top condition – no mice, mildew, burst pipes or flat battery? Perhaps you have a winterising tip to share? Do you leave your boat unattended over the winter, for example, with an automatic bilge pump – and then worry what will happen if the battery dies? Well, with these neat ideas you won’t have to wait until spring to find out if it’s still afloat or the ravishes of winter have spoiled your summer plans. First of all let’s hear from Tom Alderdice. Tom is so enthusiastic about van life that he converted his van to both a home and an office, from where he runs his company – Tiny Build Electrics – in the summer …sharing his skills with others. Here’s what he has to say: The Ruuvi sensors Tom refers to are supported by Victron Energy when connected to a Cerbo GX device – instruction for this simple installation can be found here . The supported data is for temperature, humidity and atmospheric pressure. Enthusiasts will find it is also possible to connect Ruuvi sensors to other devices. Next let’s hear from Torstein Kvamme who has a Facebook page in which he generously provides support to Victron Installation DIYers in the Swedish language. Forty years ago, Torstein’s father built a stunning summer cabin amid the filmic scenery of Lofoten, Norway, within the arctic circle. These days he and his family spend precious time there in the summer. When he’s not there he can stay in touch with his power installation using our free-to-use Victron Remote Management platform VRM . That way the family knows everything will be working perfectly when they arrive after their 2000km drive. A moment ago we mentioned boats left afloat and relying on automatic bilge pumps – for remote installations, did you know you can install an IoT cell net device such as the GlobalLink 520 , connect it to a battery monitor or solar charge controller , for example *, from where it will send status information to our VRM platform. In VRM you can set up email alerts to be informed the moment there’s a problem …such as a low battery voltage alarm for example. *(The full list of Victron products compatible with the GlobalLink 520 can be found here .) Let’s hear from Simon Ytterbom, N.America Sales Manager, about how to set up alarms and receive email notifications in VRM: You’ll find plenty more advice about using the hundreds of features of our products by viewing our YouTube channel. And finally – let’s enjoy a short video about how things should work, now that summer beckons. Henrik has a passion for classic motorcycling, and also lives in Sweden. For readers in the tropics it’s worth pointing out that Sweden is not noted for its mild winters. Also – If you have a winterising/dewinterising tip to share we’d love to hear it – please post it as a comment on our Facebook page!

Guy Stewart • 13 April 2026

Introducing Victron Microgrid

What if you could build large off-grid systems with the same simplicity as small ones – just by adding more independent units, increasing reliability, and scaling total capacity as you grow? Large off-grid systems have traditionally been complex to build and difficult to change; Victron Microgrid takes a different approach. Victron Microgrid allows multiple independent Victron inverter/charger systems, named “Power Banks” to operate in parallel on a shared AC bus – even when Power Bank sizes vary – forming high-power off-grid systems that automatically share the load. Each Power Bank is a complete, independent Victron installation with its own inverter/chargers, batteries and monitoring. No central controller, and no data communication wiring between units. If you need more power you can just add another Power Bank, and scale the system – up to 400 kW. Why Victron Microgrid? Scale beyond a single system. Multiple Power Banks on a shared AC bus let you build off-grid systems much larger than a single VE.Bus system, without the complexity and risk of one big centralised inverter installation. Keep running when a unit goes down. Each Power Bank operates on its own. If one is taken offline for service or develops a fault, the rest continue supplying the AC bus uninterrupted. Removing any single point of failure. Add or remove capacity without downtime. Connect more Power Banks to the Microgrid as demand grows. Disconnect them when demand drops or maintenance is needed. No reprogramming required, and the AC bus stays live to loads the whole time. Build with what installers already know. No new hardware. Victron Microgrid uses the same inverter/chargers, batteries, charge controllers and GX devices that installers already work with. Each Power Bank is monitored through its own GX device and VRM. Move equipment between sites. Perfect for rental: containerised Power Banks can go from one project to the next. When a job is done, the same hardware returns to the depot and goes out again ready to join another Microgrid. A standard, efficient container build can be used to satisfy a broad range of applications by simply joining them together via AC wiring on site. Applications Because each Power Bank is self-contained, Victron Microgrid works well on sites where demand changes over time and equipment may need to move between projects. 1. Generator rental fleets Rental operators can treat Power Banks as modular fleet assets. Instead of maintaining many fixed-capacity systems for different jobs, stock standardised Power Banks and combine them to match each contract. A smaller deployment might use two Power Banks; a larger job may need six or more. When a contract ends, the same units return to the depot and go out again in a different combination. Power Banks can be grouped together as a Microgrid in VRM to provide remote monitoring, alarms and visibility across active sites. 2. Construction sites Construction sites often have a stable base-load with temporary spikes in demand. Site offices, lighting and tools may run for months at one level, then a crane, welding gear or other heavy equipment drives consumption up. Extra Power Banks can be brought to site, connected to the AC bus for the peak period, and removed when it’s over. Match capacity to the actual stage of the project and reduce dependence on generator runtime where silent, battery-based power is preferred or required. 3. Events and festivals Demand profiles shift across bump-in, live operation and bump-out. Peak power may only be needed for part of the schedule, but reliable supply is needed throughout. Deploy more Power Banks for peak periods, fewer for quieter ones with no need to redesign the system. If the programme changes, add capacity quickly by connecting another Power Bank to the AC bus. And if one unit has an issue, the rest keep running. 4. Expanding existing off-grid systems Victron Microgrid is also a practical way to upgrade an existing Victron off-grid installation. Instead of pulling a working system apart to make it bigger, install a second Power Bank alongside it and connect both to the same AC bus. The original system stays as it is and just becomes one of the Power Banks in the Microgrid. This is useful for containerised or remote installations where reworking what’s already there would be disruptive. Each Power Bank manages its own charging, so the new unit needs its own charging sources such as additional solar, a DC generator connection, or other DC charging. How Victron Microgrid works A Power Bank is a complete Victron off-grid system: one or more VE.Bus inverter/chargers, a battery bank, DC distribution, DC charging sources, and a GX device for monitoring. In a Victron Microgrid, multiple Power Banks connect to a shared AC bus and work together as one large power system. Load sharing between units happens automatically via AC voltage and frequency, without the need for a central controller, communication between power banks or complex configurations. This decentralised approach keeps the system simple and reliable. Three-phase and split-phase configurations are supported as well. Independent charging – no central controller needed Decentralised DC charging is what makes this controller-less approach work. Each Power Bank manages its own state of charge using its own charging sources. Victron supports a range of charging options: MPPT solar charge controllers for DC-coupled PV AC chargers (such as MultiPlus, Quattro or Multi RS) connected to an AC generator or other AC supply, independent of the Microgrid AC bus. DC generator integration (including start/stop automation) Getting started Victron Microgrid is available via a dedicated VE.Bus firmware for MultiPlus, MultiPlus-II, Quattro and Quattro-II. Walk through the concept, configuration and commissioning with these training videos: Introduction Programming Demonstration The Technical manual covers installation and configuration in detail. See this Slide deck for a more visual overview. Contact a Victron distributor to discuss whether Victron Microgrid fits your application.

BatteryProtect: It does exactly what is says and more…

Key features

Example schematic

What exactly can BatteryProtect do?

Model Range

12/24V models

48V model

Conclusion

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