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A super detailed 48V lithium battery assembly tutorial

by:Vglory      2021-03-30
48V lithium battery is one of the common lithium battery specifications, and 48V lithium battery is the highest battery voltage allowed by the new national standard for electric bicycles. In addition, the cost of lithium battery electric bicycles is relatively high. Some users with a certain amount of hands-on ability have assembled their own battery packs to reduce the cost of using lithium batteries. Now the author shares a detailed 48V lithium iron phosphate battery assembly tutorial. The batteries used in the tutorial are square batteries. 18650 lithium battery; lithium battery assembly tutorial, how to assemble the lithium battery by yourself? ●Before assembling the 48V lithium battery pack, you need to calculate according to the product size and the required load capacity of the lithium battery pack, and then according to the product requirements Calculate the capacity of the lithium battery pack that needs to be assembled, and then select the lithium battery based on the calculation result. ●The container for fixing the lithium battery also needs to be prepared, in case the lithium battery pack is arranged, it will change as soon as it is moved. The material that separates the lithium battery string and in order to better fix the effect, glue each two lithium batteries together with adhesive such as silicone rubber. ●First place the lithium batteries in a regular manner, and then use materials to fix each string of lithium batteries. After fixing each string of lithium batteries, it is best to use insulating materials such as barley paper to separate each string of lithium batteries. The outer skin of the lithium battery is damaged, which may cause a short circuit in the future. ●After arranging and fixing, you can use nickel tape to carry out the most important steps of series connection. After the series connection step of the lithium battery pack is completed, only the subsequent processing is left. Tie up the battery with tape, and cover the positive and negative poles with barley paper to avoid short circuits due to errors in subsequent operations. 48V Lithium Iron Phosphate Battery Assembly Detailed Tutorial 1. Choose a suitable battery cell, the battery cell type, voltage, and internal resistance need to be matched. Please balance the battery cell before assembling. Cut the electrodes and punch holes. 2. Calculate the distance according to the hole, and cut the insulating board. 3. Install the screws, please use flange nuts to prevent the nut from falling off, and connect the screws to fix the lithium battery pack. 4. When connecting and soldering the wires and connecting the voltage collection wire (equalizing wire), do not connect the protection board to avoid accidental burnout of the protection board. 5. The insulating silica gel is fixed again, this silica gel will solidify after a long time. 6. Place the protection board. If you forget to balance the cells before, this is the last chance before the lithium battery is assembled. You can balance it through the balance line. 7. Use an insulating board to fix the entire battery pack, and wrap it with nylon tape, which is more durable. 8. To package the battery as a whole, please be sure to fix the battery and the protection board. Our battery can still work normally when it is dropped from a height of 1 meter. 7. Use an insulating board to fix the entire lithium battery pack, and wrap it with nylon tape, which is more durable. 8. To package the battery as a whole, please be sure to fix the battery and the protection board. Our battery can still work normally when it is dropped from a height of 1 meter. 9. Both output and input use silicone wire. As a whole, because it is an iron-lithium battery, the weight is half of the same acid battery. 10. After the tutorial is completed, we have done a test after the completion of the lithium battery, which can meet our requirements. How to assemble a satisfactory lithium battery pack? 1: Choose a lithium battery pack with reliable quality. The current lithium battery has a good consistency and price ratio, and the battery is also good. 2: It is necessary to have a sophisticated lithium battery equalization protection board. The current protection boards on the market are uneven, and there are analog batteries, which are difficult to distinguish from the appearance. Choose a better battery pack controlled by a digital circuit. 3: Use a special charger for lithium batteries, not a charger for ordinary lead-acid batteries, and the charging voltage must match the equalization starting voltage of the protection board. Lithium battery assembly prospects: With the development of lithium battery packs and the continuous maturity of commercial production technology, the cost of products has dropped significantly, and its various technical indicators are better than traditional batteries. It has been widely used (at this stage, it is mainly used in digital products ), the global lithium battery pack industry is expected to reach 27.81 billion U.S. dollars. By 2019, the industrial application of new energy vehicles will increase the industrial scale to more than 50 billion U.S. dollars. The above is the lithium battery assembly tutorial. Have you all learned it? Lithium battery packs have been widely concerned and sought after by the society. The sales volume has increased rapidly, and the market potential is unlimited! Disclaimer: Some pictures and content of the articles published on this site are from Internet, if there is any infringement, please contact to delete the previous article: What kind of changes will fuel membraneless batteries bring to vehicles
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