Nowadays, with the continuous development of science and technology, our daily lives are full of electrical equipment such as smart phones, tablets, cameras, etc. For outdoor enthusiasts, we all hope to return to nature during travel. As a Roof Top Tent Suppliers, share with you.
However, mobile phones, flashlights and other equipment are also indispensable. And this brings a problem that cannot be ignored-how to extend the service life of rechargeable batteries.
Temperature characteristics: Since the migration rate of rechargeable batteries in the electrolyte and electrode sheets are closely related to temperature, fluctuations in temperature will significantly affect the technical performance of rechargeable batteries.
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Storage temperature: Under normal circumstances, the battery has liquid inside, and long-term storage at low temperatures will destroy the internal chemical substances of the battery. Therefore, it is recommended that the storage temperature should not be lower than -20 ℃ under conditions; and too high temperature will also cause damage. The battery cannot reach its rated capacity. Generally, the storage temperature should not be higher than 40°C.
The normal storage temperature of rechargeable batteries is -20℃～+65℃. When the temperature drops below -20℃, the electrolyte in the battery will solidify, the internal resistance of the battery will become infinite, and the battery will become unusable.
When the temperature exceeds +65°C, the electrolyte will undergo side reactions and produce a lot of gas, and the resin adhesive in the electrode sheet will also deteriorate, which will cause the entire battery to gradually age and decline, and even fail in the short term.
Charging temperature: Under normal circumstances, the charging temperature is between 0°C and 45°C.
Discharge temperature: In general, the discharge temperature is -20℃~65℃; but in some special cases, low-temperature batteries and high-temperature batteries can be used. The battery pack is generally discharged before leaving the factory to prevent short circuit due to shock or other reasons during transportation. Usually, the new battery is not charged or only contains about 20% of the power.
A new battery or a battery that has not been used for a long time may not be fully activated due to the active material. It generally needs two or three cycles of low current (0.1C) charge and discharge treatment before use to reach the nominal capacity. Batteries that are not used for a long time should be stored in a charged state. Generally, they can be stored after pre-charging 50% to 100% of the power. It is recommended to charge the battery once every three months to restore the saturated capacity.
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