![]() Saft MP176065 xtd proposes an unrivalled operating temperature range from -40☌ to +85☌ but at -40☌, you have to make concessions on the capacity and adapt the operating voltage. The graphic below represents the discharge capacity (Ah) of an MP176065 xtd at C/5 at various temperatures. Some batteries will behave better than others at high or low temperature depending on the chemistry used by the manufacturer and the construction of the cell. ![]() However, extreme warm temperatures damage the electrodes. Under the effect of the heat, the electrode expands, making it easier for the ions to move. Try to keep it warm in your pocket, wait and see! Have you ever had the feeling that your mobile discharges faster during the winter? That’s because cold temperatures make the battery request more power to maintain the required voltage level to send an SMS or take a picture. Ions move more slowly between the 2 electrodes. The electronic conductivity of the electrolytes decreases too. The temperature in which a device operates is the main factor impacting a battery’s power consumption. This is true for primary batteries but also for rechargeable batteries.Īt extreme temperatures, electrode and electrolyte no longer have the optimal shape to enable efficient lithium-ion exchanges.Īt low temperatures, the electrode contracts and as a result, ions cannot extract. Top tip 2: Be mindful of the temperatures at which the battery is being discharged The voltage level reflects the charge level: 4.2V indicates a full charge, 2.7V indicates that the battery is completely discharged.Īs you can see, at a C/8 discharge rate (purple line), the cell offers a 5.8 Ah capacity, at 1.5 C, the cell capacity goes down to 5.5 Ah (green line). This graph represents the discharge rate capability of a new “fresh” MP 176065 xtd battery. At a slow pace (eg: C/8) there’s less dissipation, the internal resistance doesn’t build up as much and the cell’s capacity is extended. Consequently, only a fraction of the capacity will be usable. For batteries that have endured many cycles though, because of the increase of the internal resistance, not only the capacity will be impacted but also the cycling that is involved. On new “fresh” batteries, a 1.5C only impacts the capacity of the battery (ie. The battery will have to strive to deliver high current and use more power to keep the same voltage level, which will therefore make it age faster. Strong rates increase the battery’s internal resistance. ![]() Think about breathing hard and fast all the time, you will lose your breath, without benefitting from the air nor gaining energy. Top Tip 1: Lower the C rate when discharging to optimize your battery’s capacity and cycle lifeĪt high-rate discharge, eg 1.5 C, the extraction of lithium ions from one electrode and intercalation to the other is too strong to be efficient. How to care for your Lithium-ion battery while in operation to extend their lifespan. Our rechargeable batteries will have no more secrets for you!īut before going any further, let’s sum-up the factors influencing the capacity of a Li-ion battery. In this article, we will focus on how to care you for your Lithium-ion battery while in use to extend their lifespan. Last week we shared with you our top 5 tips on how to charge your lithium-ion batteries to extend their lifespan.
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