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Many consumers may wonder why they can't use a mobile power supply after less than a week of purchase? Some friends use their power bank for 3 years and it won't break down! So not only do we need to ask how long the power bank can last? How long is the lifespan of the power bank? In fact, a high-quality power bank may become less durable due to improper use by consumers. Today, iWalk Mobile Power will talk to you about several factors that affect the lifespan of power banks:

1、 Cell

The reason why battery cells are ranked first is because the biggest influencing factor on how long the power bank can last is the battery cells. Let's take a look at a lithium cobalt oxide battery cell with a lower cycle count of about 300 times, a better one with 500 charge and discharge cycles, and a rare number with 800-900 cycles. Is it over 1000? ha-ha......

Under normal circumstances, as long as it meets 500 charging and discharging requirements, the power bank can be considered. After all, considering both price and usage time, this type of mobile power supply is quite suitable for ordinary consumers.

Taking a 5000mAh power bank as an example, according to the 500 charge and discharge standard, and calculated at a frequency of charging every 2 days, it can be used for 1000 days, about 3 years. Of course, with good use and maintenance, its service life will be even longer.

It is also crucial to choose which brand of battery cells to use. Basically, the quality of battery cells produced by international giants Samsung, LG, Sony, and Panasonic is excellent, and their mature technology and excellent product performance have won the love of many consumers. There are also good battery cell manufacturers in China. If you are interested, you can search for relevant information yourself. Class A battery cells have the highest quality, so they last longer. However, it is best not to choose Class B and Class C battery cells, as consumers find it difficult to determine their product categories. It's okay, still recognize the brand! Good battery cells are more expensive and often produced by large brands, with a low chance of problems occurring.

2、 Large capacity. Compared to a power bank with a capacity of only 3000mAh and a capacity of 10000mAh, the larger the capacity, the longer its usage time will be. This is because the larger the capacity, the more electricity can be supplied to meet your electricity needs, thereby reducing the number of charges and discharges.

3、 Circuit board. The purpose of a circuit board is to command and control circuits, as well as to protect circuits. An excellent circuit board makes the charging board more efficient, has a longer lifespan, and is also safer. Poor quality circuit boards not only lack the advantages mentioned earlier, but also shorten the lifespan of mobile phones, so consumers should pay attention to circuit boards.

If you have already purchased a mobile power supply, how should you use it next to extend the lifespan of the power bank? Iwalk listed 8 precautions:

1. Don't wait for the battery to run out before charging. Try to maintain the battery level near half full, with a smaller range of charging and discharging as much as possible. Therefore, the best usage habit in daily life is to charge after using 50% of the battery. Although the number of charges has increased, it causes less damage to the battery compared to fully discharging the battery.

2. Power banks may also be afraid of cold and heat, so attention should be paid to the usage temperature. The working temperature of lithium batteries is 0-55c. When the external temperature is too low, it will make the battery unstable and discharge insufficiently. And high temperatures will shorten the lifespan of electronic devices, damage batteries, and cause certain plastics to age. This type of problem is mainly concentrated in winter and summer, and the weather in border areas is more extreme, so it is worth noting. In daily life, cars, backpacks, etc. are relatively enclosed environments due to poor convection. If the power bank is placed inside in a charging and discharging state, it is easy to cause local high temperatures and cause explosions.

3. Prevent filling while placing. The important issue of charging and discharging at the same time lies in the high load on the circuit board, which leads to excessively high temperatures in a short period of time, thus affecting performance and safety. In addition, when we see that the nominal input value of the mobile power supply is 5V/1A, while the output value is 5V/2.1A, it is easy to form a phenomenon of insufficient income, and the internal parts of the power bank are greatly damaged.

4. Waterproof. To be clear, the power bank does not have waterproof function, so once water enters, it is easy to cause the product to become unusable. In daily life, getting damp on rainy days, accidentally falling into the water, or using a damp cloth for cleaning can easily cause water to enter the mobile power supply, resulting in leakage, short circuit, or other malfunctions.

5. Pay attention to thunderstorm weather. It is not a problem to use it indoors during thunderstorm weather, but it is not recommended to walk in open and high terrain to prevent danger caused by electric arcs around the power bank.

7. If not in use for a long time, it should be charged 80% of its power and placed in a dry place. If the mobile power supply is not used for a long time, it will also consume some electricity, so it is very necessary to maintain a certain amount of electricity. Do not place a particularly low battery power bank in an environment with sufficient water vapor and solar radiation, as this can seriously affect its service life and sometimes directly lead to overall damage.

8. Choose a mobile power supply with intelligent protection. After fully charging, do not keep the mobile power supply plugged into the AC power outlet, especially low-quality counterfeit mobile power supplies. If there is no charging protection, just wait and watch the fireworks. Overcharging causes the battery casing or pressure valve to bulge and rupture, allowing oxygen to enter and react with lithium atoms, leading to an explosion. Consumers do not need to worry about safety hazards when using smart IC chips with multiple protections such as overcurrent protection, over discharge protection, and voltage stabilization protection for mobile power supplies. Recommend the iWalk Scorpion mobile power supply, which features a powerful intelligent IC chip with multiple protections, 3 built-in built-in cables to eliminate cable troubles, Apple MFi certified products, and advanced polymer lithium-ion batteries. This is a mobile power supply designed for only 1% of people.

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