How to assemble 48V LiFePO4 battery pack

Step 1: We need to calculate the product size and the required load capacity before assembling the 48V LiFePO4 battery pack, then calculate the power of the assembled Li-ion battery pack according to the necessary power of the product and then select the Li-ion battery according to the calculation result.

Step 2: We also need to prepare a container for fixing lithium batteries to prevent changes in the process of moving after the lithium battery pack is placed. Separate lithium battery materials in series, it’s better to connect two lithium batteries together, such as silicone rubber.

Step 3: First arrange the lithium batteries neatly, and then fix each string of lithium batteries with materials. After each string of lithium batteries is installed, it is best to separate each string of lithium batteries with insulating materials such as barley paper, because damage to the skin of lithium batteries will lead to subsequent short circuits.

Step 4: After finishing and fixing, the main series of steps can be completed with nickel tape. When the lithium battery pack is finished in series, the next step of processing is finished. Tie the battery pack with tape, and first seal the positive and negative poles with barley paper to avoid short circuits caused by subsequent mishandling.

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48V LiFePO4 battery

Detail of assembling 48V Lifepo4 battery module

  1. Choose the right battery and match the battery type, voltage and internal resistance. Please balance the battery before assembling. Cut electrodes and punch holes.
  2. According to the size of the aperture, calculate the distance and cut the insulation board.
  3. Screw on, please use the hexagonal nut with flange to prevent the nut from falling off, screw on the fixed lithium battery.
  4. When connecting the welding line and connecting the voltage acquisition line (equalizing charge line), the protection board must not be external to avoid accidental burning of the protection board.
  5. Insulating silicone is fixed again and will solidify after a long time.
  6. If you forget to balance the battery cells before removing the protection plate, this is the last chance to balance the lithium battery before assembling it with a balancing wire.
  7. Fix the whole battery pack together with heat insulation plate and wrap it with nylon tape for more durability.
  8. When packing the whole battery cell, please fix the battery cell and the protection plate together. Our battery cells can still work properly when measured up to 1 meter high.
  9. Use insulating board to fix the whole lithium battery together and wrap it with nylon tape for more durability.
  10. When packing the battery cell as a whole, please fix the battery cell and the protection plate together. Our battery cells can still work properly when measured up to 1 meter high.

NPP 48v LiFePO4 battery models

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