18650 lithium ion battery 3.7v

　　Soft-packed 18650 lithium ion battery 3.7v features:

　　1. Relatively speaking, the leakage problem of soft-packed polymer lithium-ion batteries has been improved, but it has not been completely improved.

　　2. Can be made into a thin battery: large capacity and as thin as possible.

　　3. Soft-packed polymer lithium-ion batteries can be designed into various shapes.

　　4. Can be made into a single high-voltage battery: a liquid electrolyte solution rechargeable battery is connected in series with several batteries to obtain a high voltage; while a polymer lithium battery has no liquid itself and can be made into a double-layer composition within a single battery. Achieve high pressure.

　　5. The charge and discharge capacity, theoretically, will increase by 10% for lithium batteries of the same specifications.

　　There is no memory, and there is no need to drain the remaining power before charging the battery, making it convenient to use.

　　6. Excellent safety factor.

　　The structure of the polymer lithium battery adopts plastic soft packaging, which is different from the plastic shell of the liquid lithium battery. Once a safety risk occurs, the liquid lithium battery is very easy to explode, and the maximum number of liquid lithium batteries will only cause an air bulge.

　　7. The thickness is not large and can be made thinner.

　　Thin, rechargeable battery fits on credit card. Generally, the lithium liquid adopts the method of customizing the cover first, and then inserting the positive and negative stages. There are technical shortcomings in achieving the thickness requirements. However, polymer batteries do not have this problem, and the thickness can be less than millimeters. , in line with the current required location on mobile phones.

　　8. Light weight

　　Rechargeable batteries that use polymer lithium battery electrolytes do not use plastic shells as outer protective layers. Compared with aluminum-cased lithium batteries of the same volume and specifications, polymer lithium batteries are 40% lighter and 20% lighter than aluminum-cased rechargeable batteries.

　　9. Large space.

　　Compared with aluminum-shell batteries of the same specifications, polymer lithium batteries have a capacity that is 10~15% higher and 5-10% higher than aluminum-shell batteries. They have become the first choice for color-screen mobile phones and MMS mobile phones. In the current market Polymer batteries are also commonly used in displays and MMS phones released on the shelves.

　　10. Small internal resistance.

　　The internal resistance of polymer cores is smaller than that of ordinary liquid lithium batteries. At present, the internal resistance of domestic polymer cores reaches less than 35 meters, which greatly reduces the self-consumption of batteries, increases the battery life of mobile phones, and completely Able to connect with the international community. Polymer lithium batteries are suitable for high-current charging and discharging. They are an ideal choice for remote operation and are the most likely product to replace nickel-metal hydride rechargeable batteries.

　　11. Able to customize the appearance.

　　Manufacturers are not limited to standardizing appearance designs and can economically produce appropriate specifications. The thickness of the lithium battery can be increased or reduced according to customer satisfaction, and new lithium batteries can be developed and designed with high quality and low price, and short mold release cycle. Some can also be customized according to the appearance of the mobile phone to fully utilize the space of the battery casing. Boost battery power.

　　12. Excellent charge and discharge characteristics.

　　Compared with liquid electrolyte solutions, polymer lithium batteries use colloidal electrolyte solutions, which have stable charging and discharging characteristics and a higher charging and discharging platform.

　　13. The design of the lithium battery protection board is very simple.

　　When polymer materials are used, lithium batteries will not catch fire or explode. The lithium batteries themselves are safe. Therefore, the maintenance route design of polymer lithium batteries can consider eliminating PTC and circuit breakers, thereby saving charging. Battery cost.

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