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How to charge lithium ion batteries without charging? Charging as the most important part of the use of lithium ion batteries, directly affects the life of the battery and cycle performance. Charging the battery is a technical life, and it is more secure. If it is not intelligent charging, we recommend charge a lithium-ion battery.
This article explains how to charge lithium ion batteries without charging? How to charge lithium ion batteries without charging? Lithium charge can also use the power supply but should be particularly careful. Check that the fully charge voltage is usually 4.20V battery, and set the threshold accordingly, ensuring that the battery connected in series does not exceed this voltage.
When the battery reaches 4.20V battery voltage and the current falls to 3% of the rated current, it is fully charged when it has neidped and cannot further fall. After the electricity is fully disconnected, the battery will never be allowed to stay in 4.
20V for more than a few hours, otherwise there will be dangerous danger. Note that not all lithium-ion batteries are charged to the voltage threshold of 4.20V battery.
Lithium lithium phosphate is usually charged to 3.65V battery cutoff voltage and lithium titanate to 2.85V battery, some energy batteries can accept 4.
30V battery and higher, important, to observe these voltage limitations. It is also possible to pass the wireless charging power supply, wireless charging is a device that transmits energy to electricity by the power supply device using near-field induction, which is charged with the electricity pool using the received energy, and is used for its own operation. Since the charger is coupled between the charger and the known electrical device, there is no wire connection between the two, so the charger and the electrical apparatus can be exposed.
As long as the wireless receiver is installed on the phone, no data cable can be charged. Step 1 without charging the battery to charge the battery, remove the battery from the device, use the connection point on the battery, pay attention to some models of the phone can't be disassembled, so let's take a look at which mobile phone you use. If it is a normal Android and Windows mobile phones, you can remove the phone back shell with a part of your mobile phone.
If you are Apple mobile phone, don't try it. 2, prepare several AA (No. 5 batteries), AAA (No.
7 battery) or 9 volt cells, the power supply of ordinary household batteries and the power supply of the wall socket, but there is no difference between the power required for mobile phone or camera battery. 3, clarify the positive and negative poles of the battery on the battery's positive and negative poles, AA and other household batteries. In general, the positive electrode of the mobile phone battery is close to the edge of the battery, and the negative electrode is usually the farthest distance.
There may be three or four connection points on the battery, one or two of the two are generally used for temperature control. 4, make sure the charging battery is matched to the voltage of the battery, generally to charge DC charging over 3.7V to supply mobile phone one-day electricity, so multi-section AA, AAA battery or single 9 volt battery power supply is most ideal.
Ordinary household AA or AAA batteries supply 1.5V. So want to reach more than 3.
7V, you have to connect three AA or AAA batteries. If you have a AA or AAA battery, 1.5V + 1.
5V + 1.5V = 4.5V, so you can charge it.
5, prepare two metal wires, it is best to use a wire with a plastic insulating casing at both ends of both ends. Connect both ends of the wire and the battery and the rechargeable battery, and bond it with a tape or clamp with a clip. Wires may be hot, but as long as there is no problem, this is generally not there.
6. After a while, the battery should be charged. Pay attention to the battery may be dissatisfied, but at least last period of time.
Within the entire life cycle of the lithium ion battery, the total power of the lithium ion battery can be constant, regardless of how many of the total charge of the total charge is constant regardless of the charge of charging. Lithium-ion batteries should not be used frequently without long-term use, often use the maximum performance of lithium-ion batteries, so that the electrons in lithium electrical are always in a flow state. The lithium-ion battery that is not often used is required to complete a charging cycle every month, and make a power calibration, which is deep and deep.
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