MyGrid’s new 1.5 kWh lithium iron phosphate battery system purportedly runs for more than 6,000 cycles. It uses a bidirectional charger to receive and send electricity to the grid via a wall socket.

ModuleOne 1.5 kWh battery for residential applications 3.2 V Lithium Ion Battery

Dutch startup MyGrid has developed a 1.5 kWh lithium iron phosphate (LiFePO4) battery storage system for residential applications. It is mainly designed for use in rented apartments and multi-family buildings, where residents often lack the resources or space to install large home batteries.

The system can be used in combination with solar panels. It includes a bidirectional charger that stores electricity in the battery via a wall socket and sends it back to the grid via the same socket. The battery’s discharge capacity is 500 W at 230 V.

When removed from its charger, the energy storage system becomes a power bank for off-grid applications. It includes two USB-C ports with 100 W of output and a 300 W AC socket at the front, which makes it suitable for working outdoors, tiny houses, and campsites, according to the company.

The cylindrical device has a diameter of 20 cm and is 40 cm high. It weighs in at 12 kg. It reportedly has a lifetime of 16 years and can purportedly run for 6,000 cycles. MyGrid claims that an average family could save between €100 ($107) and €300 a year by using the battery. It is selling the system for €1,650.

The solution includes a digital platform to manage energy savings. The software reportedly calculates the best time to charge and discharge the battery. While the platform still does not support integration into energy communities, the company plans to open it to partners to eventually integrate such services.

MyGrid is now preparing to start the functional testing phase of the new system. Commercial production is expected to start in September 2023, with the first units set to reach the market in December 2023.

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More articles from Beatriz Santos

Based on cycle life and price, it should break even at a 0,22€ of price delta between charging and discharging. Sounds promising.

No mention of switch off with power loss?

In the US if you have a connected solar/battery system it has to have an auto disconnect for power outages. Both so your puby system doesnt try to supply the ‘grid’ and so the line workers aren’t working with live power unknowingly.

The inverter almost certain relies on the live grid to maintain the proper frequency matching. No grid, no signal to follow, inverter shuts off.

Off-grid, stand alone inverters cost significantly more, so far as I can tell.

Plug and play is good. I would like it better if it was slightly bigger with enough “umph” (wattage and amp/hrs) to handle “must not fail” applications like running a refrigerator for a day or so.

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