
Most batteries will operate, with varying degrees of effectiveness in the 5 – 35 °C range so are fine for the autumn and spring operating months, however if you want a battery that will also operate efficiently in winter and summer you need to understand how temperature has an effect on a batteries operating capabilities.
The ambient weather temperatures have a large impact on the performance and on the life of most batteries and unfortunately, it’s a characteristic that isn’t often talked about.
The optimum temperature for most batteries to operate at is around 25°C and this is the temperature all battery testing is performed at. When temperatures vary, either up or down there is an effect on the performance and life of most batteries.
Depending on the chemistry of the battery different batteries will only operate optimally within a limited temperature range, so it’s important to understand this when purchasing or upgrading your battery for energy storage.
When the temperature starts to fall below about 15°C, depending on the battery chemistry, the electro-chemistry of the battery becomes sluggish and doesn’t perform as well. In fact, very few batteries operate below 0°C. This is relevant in many countries in Europe, the USA or Canada but not as relevant in most of Australia.
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