You can start with the first group
1. First, connect the first group of blocks with one end of a line (+). The other end is the second fastest (-). Connect one end of the other wire to the (+) of the second block. The (-) with the other end connected to the third block is turned on like this.
2. Connect to the last block of the third group, and the remaining battery terminals are only. The first group (-) did not answer. The third group (+) did not answer. Find two power cords. Connect two wires to the input terminal (+) of UPS battery. -extremely consistent with UPS series), when wiring. Remember to pay attention to polarity.
3. After connection, first measure the total battery voltage. About 230-250. That's it.
Pay attention to safety 0