From bigclivedotcom.

It’s been a while since I’ve looked at one of these rechargeable fridge sterilisers. They work by applying high voltage between a row of metal spikes and rings, and the resultant ionic activity causes a slight airflow and temporary molecular modification of the air. Notably producing a medley of short lived molecules that occur naturally outdoors, but are depleted quickly indoors.
They tend to have strong oxidising activity that results in bacteria, spores and odours being rendered inactive or neutralised.

This type of unit is designed to go in a fridge or cupboard (But NOT in a freezer!), and will run in short bursts for weeks or months. Even longer if you hack in a new higher capacity cell.

This unit doesn’t replace cleaning of your fridge, but instead augments it by neutralising the smells of strongly aromatic foods like cheese. It can also increase the storage life of some foods by reducing bacteria or mould activity on the surface.

The amount of ozone is usually trace level, so does not pose a high risk to the internal surfaces and components of the fridge.

The result of the lithium cell test in this unit was a miserable 570mAh, so a worthy upgrade would be a higher capacity lithium cell. It’s also interesting that while in between its ozone cycles the unit leaves its blue LED fading, static or blinking to show the mode it’s in. That in itself must use a significant part of the cells charge – especially on the middle static setting.

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