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I don't usually talk about the activation method of lithium iron phosphate batteries. When using lithium iron phosphate batteries, it should be noted that the battery enters a sleep state after being left for a period of time, at which point the capacity is lower than normal and the usage time is shortened accordingly. But lithium iron phosphate batteries are easy to activate, as long as they undergo 3-5 normal charge and discharge cycles to activate the battery and restore normal capacity.
Lithium iron phosphate battery refers to a lithium-ion battery that uses lithium iron phosphate as the positive electrode material. The positive electrode materials of lithium-ion batteries mainly include lithium cobalt oxide, lithium manganese oxide, lithium nickel oxide, ternary materials, lithium iron phosphate, etc. Lithium cobalt oxide is currently the majority of positive electrode materials used in lithium-ion batteries. From the principle of materials, lithium iron phosphate is also a process of insertion and extraction, which is completely the same as lithium cobalt oxide and lithium manganese oxide.
Do you all know? There has always been controversy over whether lithium iron phosphate batteries are activated. Some netizens think that lithium-ion batteries generally do not need to be activated. Assuming that the battery has been idle for too long, it can be recharged for a few hours after being fully charged. If it exceeds 12 hours, it won't work.
The common sense that people know is that the first three charges for 12 hours are for the original nickel cadmium battery. Lithium ion batteries are not, as they do not have a memory effect. Experts have said that during the general chemical conversion process, a period of low current charging and discharging is required. In order to form the SEI film on the electrode surface, this is certainly something that ordinary users' chargers cannot accomplish. If there is really such an activation claim, then how can manufacturers entrust such an important process to users to complete on their own?
So some users have reported that according to practical experience, lithium iron phosphate batteries need to be activated because the memory effect cannot be restored, but the problem of insufficient capacity caused by the lack of activation of lithium batteries can still be restored. The lithium battery that comes standard with any digital device must be activated when activated. Many users do not activate lithium batteries scientifically during use, resulting in the inability of lithium iron phosphate batteries to reach their optimal capacity, which can easily lead people to mistakenly believe that this is a memory effect.
Activation method of lithium iron phosphate battery:
Activation process one: Newly used lithium batteries usually have residual power, so do not charge them at this time. Install the battery into the product for normal use until the battery level is low enough to completely shut down.
Activation process 2: For the first charge, it is best to use the original charger for charging, and it is better to turn off the device for charging. Many people choose not to turn off the device for convenience, which is not conducive to activating the lithium battery capacity. And it is reminded to charge continuously for more than 12 hours but less than 15 hours. If it prompts that it is already fully charged during the period, do not unplug it and keep it charging continuously!
Activation process three: After the first full charge, if it is used normally until it cannot be turned on. You can press process two again to continue the operation!
Activation process four: fully discharge and fully charge (i.e. repeat process two and process three) three times. At this point, the lithium iron phosphate battery is successfully activated and can reach its optimal capacity state.
Attention: Lithium iron phosphate batteries are often activated at the factory, so buyers do not need to activate them again. It is recommended not to use a universal charger during the activation period. If the universal charger is not needed after reaching the normal usage period, then it is not necessary. Because the original charger is the most suitable. Universal charger, unstable current, may not necessarily match the voltage of lithium iron phosphate battery, which may accelerate lithium battery aging.
Attention to charging and discharging of lithium iron phosphate batteries:
1. Charge according to standard time and procedures, even for the first three times;
2. When the battery level is too low, it is advisable to start charging as soon as possible;
3. The activation of lithium batteries does not require special methods, and they will naturally activate during normal use. If you insist on using the widely circulated "first three 12 hour long charging activation" method, it will not actually be effective.
Therefore, all the practices of pursuing 12-16 hour ultra long charging and using lithium iron phosphate batteries for automatic shutdown are wrong. If you have previously followed incorrect statements, please correct them in a timely manner, perhaps it is not too late.
Due to the inherent characteristics of lithium iron phosphate batteries, they have almost no memory effect. Therefore, users do not need any special methods or equipment during the activation process of new lithium batteries. Therefore, it is best to charge according to standard time and methods, especially not for over 12 hours of ultra long charging. Usually, the charging method described in the user manual is the standard charging method.

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