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Posted on 20/04/202330/07/2023 by admin

48-12V Hybrid Upgrade with New Caravan

SAFIERY UNIVERSITY
48-12v POWER UPGRADE
STILL PRESERVING
NEW CARAVAN WARRANTY

This article is designed to give assurance to the reader that upgrading the power system in a new caravan can be done without distrubing the 12V or 240V system installed by the manufacturer. By way of example, an upgraded Avida Topaz is described here.

If purchasing a new caravan, some manufacturers like Avida wont upgrade to Lithium. Other manufacturers are new to Lithium and offer large assembled systems in 12V.

Rule of thumb: if your current is greater than 100A, you are in the wrong voltage!

The 48-12V Hybrid, stored electrical energy from both solar system AND vehicle charging in 48V batteries.

48V Batteries are more efficient, lighter and 35% lower cost than the equivalent 12V. The cabling is smaller as the current flow is 1/4 the size. Typically, the biggest cable size we use is 25mm2

This is the same concept as storing LPG is compressed gas bottles at a much higher pressure, bleeding down through a regulator to the lower pressure used by appliances.

The system creates the electrical power at 48V from the solar panels and vehicle DC to DC charger and store at 48V.

The system then bleeds this power through a 48-12V regulator to the caravan’s 12V battery. This keeps the 12V battery fully charged. The Caravan 12V battery, battery charger is not disturbed. The exception is if it has solar input, we remove those solar input cables and redirect to the Smart Solar that charges at 48V in the new batteries.

The 48V Lithium Batteries are:

21kgs in weight
Slimline style of 480 x 360 x 90mm Deep
Have dual positive and negative terminals for charging and parallel conections
Use a high efficiency Amphenol waterproof connector
Can be switched “on/off” with a soft switch on the battery (possible because the current flow is much lower than 12V and is done digitally)
Have a 5 year Warranty in Mobile or Marine installation
Are Clean Energy Council approved in Australia.
Can be expanded up to 12 batteries in parallel.
Are warranty for a minimum of 6,000 cycles at 80% depth of discharge
Canbus connection for optimum charging

We are talking about very high end, high quality smart batteries.

Safiery has written the software interface for the canbus built into these batteries to be controlled by the Victron canbus system. There is NO user intervention with this software, it is plug and play.

The Victron system includes a 3000VA Inverter/ Charger that:

Produces 2600W continuously and 5,200W peak
Is tested and proven to operate a 3,500W (thermal) Air-conditioner PLUS Induction Cooktop Plus Espresso coffee maching at same time. See our Video of this here.
Has a power assist feature that lets the user operate all of the above with only a 1kVA generator (Honda EU10i) and takes the additional power on start up from the batteries. The air-con uses less than 1kVA in normal operation.
Will charge the 48V batteries with 1.7kW of power when plugged into 240V or a 2kVa generator, 1kVa if on a Honda EU10i.
Has “auto-cutover” from 240V generator of site power to the inverter is less than 25ms, so even sensitive computers dont see the switchover. Unlike other popular brands, this cutover cn be done at full load. (note of caution, one popular brand may experience a phase error switching at high load and insists on turning off air-conditioners when switching, this is not the case with this Victron Inverter.)
Is approved by the Clean Energy Council
Has a 5 year full warranty (no pro-rata confusion)

The Solar recommended for this system is to be as close as possible to 1,000W for replenishment power.

Victron Glass panels are highly efficient and 1,050W can be comfortably installed on an Avida Topaz roof. This allows for space for satellite system in rear.
The dometic glass solar panel supplied by Avida is removed. (it is only 150W but the size is identical to the 175W Victron and this is then placed in the solar panel holder that originally took the Dometic panel. (The dometic panel could be used but is a poorer solar output)
The new Victron panels are fitted with Safiery triple layer polycarbonate attached under each panel. This Triple layer Polycarbonate is routed in a proprietary way to bond to the caravan rook using Sika adhesives.
The is NO new penetration of the roof with screws or rivets or fasteners of any kind.
The Safiery triple layer polycarbonate is R3 rated and significantly reduces the heat load into the caravan from the roof. It also cools each panel more efficiently as the black colour absorbs heat from the back of the glass panels and distributes the heat out through the triple layer.

The Victron Smart Solar controller shows:

Solar performance for last 30 days on your smartphone
Is an ultrafast MPPT solar controller
Accepts up to 100V in series waring from the Victron solar panels for additional charging early morning and late afternoon which is not possible on conventional 12V systems with the combo vehcile DC to DC and solar devices. (they have an upper voltage limit that is low)

The Simarine gorilla glass display show:

The State of charge of the 48V battery and the 12V battery
The water tank levels
The LPG tank levels
Temperatures

The electrical energy flow and performace is displayed on smartphone:

Without need for the Internet
If connected to the internet (through dedicated modem or your phones hotspot) then your sustem can be supported and upgraded remotely by us.

Installation time for the power system and solar system is far less than conventionional 12V systems and nothing is removed.

The Installed Price for this System into the Avida is Around $12,000 including the 2 x LPG tank sensors and special tank interface for Safiery to BMPro tank senders (plug and Play interface).

Spec is:

Victron 3000W Inverter /Charger
Victron 1160W Smart Solar Controller
Victron 360W Hybrid Controller to 12V
3 x 2.4kWh Lithium Batteries (600Ah at 12V equivalent)
Parallel battery cable connectors
Victron Venus
Lithium Battery Interface Canbus with Safiery software to Victron System for BMS control.
Simarine gorilla glass Display
Simarine Shunt
Simarine Voltage Interface
Safiery tank interface from BMPro Tank senders to Simarine system
Safiery LPG tank level senders (magnetic)
Safiery temp sensor
Victron 6 x 175W Solar panels

Posted on 12/12/202130/07/2023 by admin

1800W Built-in Induction Cooktop with 2000W Smart Inverter

SAFIERY UNIVERSITY
SINGLE INDUCTION COOKTOP
VICTRON 2000W SMART INVERTER
AND A 200Ah LITHIUM BATTERY

This article is designed to give assurance to the reader that the Safiery Single Hob Induction Cooktop can operate automatically from the Victron Smart 2,000W Inverter and a single 200Ah Lithium Battery.

This is a built-in single induction hob is suitable for OEM’s, Body builders and DIY customers. It is NOT a retail product.

Induction Cooking

How an induction cooker is 94% efficient?

Conventional stove top cooking methods heat the pan through convection and conduction. The heated pan then heats the food. The food may not be evenly heated and it is common to stir or move around the food to cook evenly. Gas cooktops are 40% efficient typically. In the wind, it is far less.directly.

An induction cooker uses electricity and magnetism to make your pan the source of heat.

Pans that are cast iron are naturally excellent. Special ferrous metals are added to alloy pans to perform well with induction.

As soon as you turn on your induction cooktop on and it detects a pot or pan, the electric coils beneath the ceran glass surface generate a magnetic field. The magnetic field transfers energy very efficiently at 94% to the pot or pan directly. It uses no heat to transfer this. As the magnetic field changes direction at high speed, the metal particles oscillate and set up eddy currents. This causes the particles in your pots and pans to an extent that they become hot.

A simple demonstation of the high efficiency is the “cool to touch” induction glass top after you remove the cooking pot. The pot is hot but the glass top is cool!. Little energy wasted!

Induction cooking is:

Fastest way to cook – 2min for 0.5L Water at 1800W
94% Efficient; compared to 40% for LPG and 70% Electric
Safe and cool to touch after use
Ceramic glass top – easy to clean
Cool to touch immediately after use
Induction pots and pans now commonplace and inexpensive
Can be set at “slow cook” – walk away and enjoy the day without worry of open flame.

However…..

Induction cooktops require large inverters.
Most large inverters constantly consume power even in “standby” mode.
Some systems have complex low voltage cut outs and extra battery management systems.

But not with this package….. just 3 components….

1800W Single Induction Cooktop that is “built in”
Victron Smart 2000W Inverter with Bluetooth connection to Smartphoone App
Safiery 200Ah Lithium Battery with Bluetooth connection to Smartphone app

With these Smarts that save power and protect your battery:

On your Smartphone, you see and can set:

Exact power being used

ExactBattery Voltage

Exact AC Voltage

On your Smartphone, you can also:

Turn the Inverter off or into eco-mode

Set the low voltage cutout point to protect your battery

So with the Smart 2000W Inverter you have all the power and control for 1800W Induction cooktop:

Introducing the Safiery Single Hob Induction Cooktop

Built-in
Smart IGBT control
High grade black crystal plate
Touch Sensor controls
Size: 288 mm diameter top
260mm diameter cut out
85mm deep

Power

Power Watts: 1800W
Has three settings of low, medium and maximum on touch control.
Individual Controls
Automation
Timer
Child Lock
Booster function
Auto Safe Switch off
Over heat & empty pan safe off
Cookware detection of

In the Video below, We have this equipment set up:

Safiery Single Hob Induction Cooktop

1800W

Victron Smart 2,000W Inverter

12V Bluetooth Controlled

Safiery Lithium Battery

Delivers up to 200A continuously.

The time it takes a solar panel array to replenish the energy used in a typical full evening meal is:

For a typical evening meal

About and hour for a 500W solar array to replenish

The amout of battery capacity that is used in a typical full evening meal is:

Direct from the Lithium Batteries

About 12% of the available capacity for a 200Ah bank

Of course none from a powered site.

Lets watch the video proof here

Posted on 12/12/202104/08/2023 by admin

Operating Dual Hob Induction Cooktops from Batteries

SAFIERY UNIVERSITY
OPERATING DUAL INDUCTION
COOKTOP FROM INVERTER
AND LITHIUM BATTERIES

This article is designed to give assurance to the reader that the Safiery Dual Hob Induction Cooktop can operate automatically from the Victron 3000W Inverter/Charger and Lithium Batteries.

This is a built-in hob suitable for OEM’s, Body builders and DIY customers. It is NOT a retail product.

Induction Cooking

How an induction cooker is 94% efficient?

An induction cooker uses electricity and magnetism to make your pan the source of heat.

Pans that are cast iron are naturally excellent. Special ferrous metals are added to alloy pans to perform well with induction.

A simple demonstation of the high efficiency is the “cool to touch” induction glass top after you remove the cooking pot. The pot is hot but the glass top is cool!. Little energy wasted!