72V 20AH Rechargeable 18650 Lithium Ion Battery

Lithium-ion batteries are rechargeable batteries characterized by very high power density. Such batteries have become commonplace in everything from everyday electronics such as mobile phones to electric cars. What is not widely recognized is that voids play a very important role in such batteries. This example will illustrate the void structure in the material, which does not always need to be spherical. Let us first briefly describe the main characteristics of lithium-ion batteries and then point out the important role of voids.

1) High energy. It has high storage energy density and has reached 460-600Wh/kg, which is about 6-7 times of lead-acid battery.
2) Long service life, the service life can reach more than 6 years, lithium iron phosphate is the positive battery 1C (100% DOD) charge and discharge, there are records that can be used 10,000 times.
3) the rated voltage is high (the single working voltage is 3.7V or 3.2V), which is equal to the series voltage of 3 nickel-cadmium or nickel-hydrogen rechargeable batteries, which is convenient to form the battery power pack; the lithium battery can be adjusted by a new type of lithium battery. The technology of the press, the voltage is adjusted to 3.0V, suitable for the use of small appliances.
4) With high power bearing capacity, which lithium iron phosphate lithium ion battery for electric vehicles can achieve 15-30C charge and discharge capacity, easy to start high-intensity acceleration.
5) The self-discharge rate is very low, which is one of the most outstanding advantages of the battery, generally can be 1% / month or less, less than 1 / 20 of the nickel-hydrogen battery.
6) Light weight, the weight of the same volume is about 1/6-1/5 of lead-acid products.
7) High temperature and low adaptability, can be used in the environment of -20 ° C -60 ° C, after the process of processing, can be used in -45 ° C environment.
8) Green and environmental protection, no matter whether it is produced, used or scrapped, it does not contain any toxic and harmful heavy metal elements and substances such as lead, mercury and cadmium.
9) Production basically does not consume water. It is very beneficial for China lacking water. Specific energy refers to the energy per unit weight or unit volume. The specific energy is expressed by Wh/kg or Wh/L. Wh is the unit of energy. , W is watt, h is hour; kg is kilogram (weight unit), L is liter (volume unit)..

Q1 How long is your delivery time? 

A1 Generally speaking, the whole production cycle from raw materials to finished products takes 15 days, but we can deliver the goods within 7 days, and we can change it according to the quantity or other conditions, because we have the stock of raw materials for semi-finished products.

Q2 Are you trading company or manufacturer? 

A2 We are CHILWEE original factory, So the price has an advantage.

Q3 Product life? 

A3 Our products are maintenance free and sealed, and advanced technology is adopted, with long service life and no problems in normal use.

Q4 Difficulty of product use? 

A4 It is easy to use, Please operate according to the manual.

Q5 Are your parameters true? 

A5 All our parameters are real, with the highest quantity, competitive price and long life cycle.

Q6 OEM Service? 

A6 If your purchase quantity reaches a certain quantity, we can also print your trademark on the battery box.

Q7 What is your MOQ? 

A7 The minimum order quantity is measured by what product.

Q8 What is your term of payment? 

A8 The time limit of payment needs to be communicated, and the contract should be drawn up according to the time limit stipulated in the contract.

Q9 What is your products standardization? 

A9 First, according to Chinese standards, and then international export standards.

Q10 How long it takes you to provide the designing options for us? 

A10 It depends on your design requirements and needs to be judged according to the degree of difficulty.