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Replace the new 18650 battery for the mobile power bank

by:dcfpower     2021-04-01
u003cpu003e With the popularization of smart phones, mobile power has become a portable device for one person. The problem is that the batteries of mobile power may face various losses as the frequency of use increases, leading to early retirement. At this time, Implanting new cores for power banks is the only way to extend their life.u003c/pu003eu003cpu003eMobile power banks laid off earlyu003c/pu003eu003cpu003e At present, most of the low-priced power banks are 18650 power banks. 18650 batteries can be purchased on Taobao at will, and the capacity ranges from 2000mAh to 3600mAh. In other words, when your mobile power cell’s life is over, we can implant new batteries , Let the mobile power banks who were laid off in advance take advantage of their waste heat.u003c/pu003eu003cpu003eNecessary conditions for implanting new batteriesu003c/pu003eu003cpu003e There is basically no risk in replacing mobile power banks with 18650 batteries. , Just pay attention to the original battery cell connection method (series or parallel). If the power supply adopts the parallel method (Figure 1~2), then we can replace any 3.7V battery cell at will. In addition, some mobile power The shell is fixed with glue. When disassembling, use tools such as a cutter, and be careful not to damage the appearance of the power supply and the fixing buckle.u003c/pu003eu003cpu003eu003c/pu003eu003cpu003eu003c/pu003eu003cpu003e Figure 1 ~2 The original mobile power cell is a miscellaneous brand, and the capacity is seriously shrunk. After disassembly, replace the self-purchased 18650 cell. The difficulty is that the original 4 cells are connected and fixed by iron sheets. When the new cells are connected in parallel, they can be replaced by wires u003c/pu003eu003cpu003eTipsu003c/pu003eu003cpu003e Don’t blindly pursue capacity and low price when buying 18650 batteries on Taobao. 18650 batteries above 3200mAh are mostly false standards, while the quality of batteries below 10 yuan It is also difficult to guarantee. It is recommended to buy genuine Sanyo, Samsung, Panasonic and other first-line brand products, and each 2600mAh battery cell is between 10-20 yuan.u003c/pu003eu003cpu003eNew power supply products that can be replaced at willu003c/pu003eu003cpu003e pu003eu003cpu003e It is exactly that some players in the phase like to choose the method of battery cell implantation of mobile power. Now a number of categories supporting core replacement have emerged in the field of mobile power (Figure 3~4). The price is between 30 and 100 yuan, and it can accommodate 2 to 6 18650 batteries. Users can buy 18650 batteries of any brand and quantity and implant them into the mobile power.u003c/pu003eu003cpu003eu003c/p u003eu003cpu003eu003c/pu003eu003cpu003e Whether you choose to change the core by yourself, or buy a mobile power supply that can be changed at will, you must choose multiple voltage, capacity, internal resistance and maximum amplifier when purchasing 18650 batteries. Point the model with the same current parameters. Because the voltage is different, the battery with the high voltage will charge the battery with the low voltage, which will affect the life. There will be differences, resulting in battery damage.u003c/pu003eu003cpu003eSummaryu003c/pu003eu003cpu003e There is no technical content in implanting new cores into mobile power sources. The difficulty depends on the production. The ease of disassembly of the product shell. Considering that the current mobile power supply is already at the price of cabbage, it is of little significance for ordinary users to change the core by themselves. Therefore, DIY players can disassemble and exchange cores by themselves to extend the life of the power supply or increase the capacity, while ordinary users can consider buying mobile power products that support core exchanges and implant new cores at any time. u003c/pu003eu003c/pu003e
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