Home batteries

New range of home batteries: the AQ-LITH® ENERGYBOX

What is the function of a home battery?

Over the past ten years, many families have installed solar panels. Until now everyone could use the reverse counters. If the production of the solar energy exceeds the consumption,  this energy is put back into the grid and the counter turns back. If you do need the energy in the evening, you can get it back from the grid and the counter will turn forwards. However, the imbalance between the consumption and the production causes a considerable headache to the network operator/administrator because they have to take care of a constantly increasing heavier network. That is why the digital meter has been introduced. The backward rotating counters (and their advantages) will disappear: new installations can no longer benefit, and old installations will be granted a period of 15 years from the installation of the solar panels.Afterwards, the energy you put into the grid will be less profitable. It will then be important to make your own consumption (% ratio of the solar energy that you can immediately use yourself) as high as possible: by using smart consumers (smart washing machines, boilers,…) and/or by using home batteries.
An installation home batteries always measures the energy that goes to or from the grid. As soon as it notices that there is solar energy left, it will charge the home battery. In the evening, when the sun no longer supplies that much energy, the home battery will initially be discharged before it is switched to the more expensive grid power.
AQ-LITH® EnergyBox - thuisbatterijen - batteries domestiques Heimspeicher-Lösungen - home batteries

Who would benefit from a home battery?

The payback period of such a home battery depends on many different factors and is therefore not easy to calculate. However, the following criteria are important in order to have a fast payback period:

There are many other reasons why you can choose a home battery:

Opstelling thuisbatterijen

What does an installation look like?

You need a battery anyway. Battery Supplies has launched a new range of Lithium-ion batteries for this purpose: the AQ-LITH® Energybox. These batteries have a very long life expectancy (10 years, used every day), are very compact and are safe thanks to the LiFePO4 technology. The AQ-LITH® consists in three capacities: 3 – 5 – 7 kWh.
In addition, an inverter is required that can charge and discharge the battery and convert the DC voltage into alternating current. Battery Supplies chose a 3 kw inverter, an inverter that has already proven its worth. The Victron Multiplus II has a built-in controller for correct control of the inverter and for communication with your app on your smartphone.

How large does my home battery need to be?

It is generally stated that the capacity of your battery (in kWh) is close to your annual consumption (in MWh/year). In many cases, the AQ-LITH® Energybox 5 kWh is the best choice.

What will it cost?

The total cost depends on the size of the AQLITH® Energybox and the complexity of the installation. Calculate an average amount of about 5000 EUR for battery, inverter, controller and installation and you can deduct the subsidies from that.

The AQ-Lith® Energybox is eligible for subsidies in Flanders (Belgium). Per kWh you will receive 250 EUR (with a maximum of 3200 EUR and a maximum of 35% of the total cost). In practice, for the AQ-LITH® Energybox of 3 – 5 – 7 kWh, you will receive 750, 1250 and 1750 EUR subsidies respectively.

Technical specifications

AQ-LITH® EnergyBox - thuisbatterijen - batteries domestiques Heimspeicher-Lösungen - home batteries

AQ-LITH® EnergyBox home battery

3 kWh 5 kWh 7 kWh
BAT/49010 BAT/49011 BAT/49012
Technology Li-ion (LiFePO4 or LFP)
Nominal Voltage (V) 51,2
Capacity (Ah) 57,6 100,8 136,8
Capacity (kWh) 3 5,2 7
Power 2,5 3 3
Dimensions (mm) 523 x 679 x 152,5 564 x 650 x 212 662 x 717 x 205
Weight (kg) 45 66 89
Max. Charging voltage 56.8V
Design life (year) 10
Warranty (cycles) 6000
Temperature (°C) -20 -> +60
IP 54
Victron omvormer voor thuisbatterijen

Installation kit with inverter, controller and ampere meters

Kit for monophase net: BAT/49151
Kit for three-phase net: BAT/49152

Cont output power at 25°C 3000VA or 2400W
Max efficiency 95%
Zero load capacity (W) 11
Interface USB, ethernet, wifi
Temperature(°C) -40°C -> +65°C
Weight(kg) 26
IP 21
Dimensions (mm) 506 x 275 x 147
Warranty (years) 5
VENUS controller built-in
Flyer: AQ-LITH® EnergyBox home battery
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