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I continue to prepare for the assembly of a charging station based on EVE LF105 lifepo4 cells. Today I will show you what fastening elements and cable lugs I chose, and where I got them. For EVE LF105 batteries, the question is relevant because the jumpers come with 5mm M4 bolts for fixing, which will not be enough for reliable assembly. Therefore, something alternative is needed, perhaps this selection will be useful to someone. I am adding links to the products below: Klauke insulated ferrules, according to DIN 46237 - you can view the catalog here and also check the sizes: https://www.klauke.com/dk/de/isoliert... list of insulated ferrules for BMS wires: 1. Ring insulated ferrules (yellow), 0.1-0.4 mm / 2.3 mm KLAUKE 6192 - https://techlight.com.ua/r-kolcevye-i... 2. Ring insulated ferrules (red), 0.5-1 mm / 4.3 mm KLAUKE 6204 - https://techlight.com.ua/kolcevye-izo... 3. Ring insulated ferrules (red), 0.5-1 mm / 6.5 mm KLAUKE 6206 - https://techlight.com.ua/kolcevye-izo... non-insulated ferrules for wire 25mm.sq. (AWG4) and M6 bolt 1. Copper tubular cable lugs of simplified type (Klauke standard), 25 mm2, for M6 screw KLAUKE 4R6 - https://techlight.com.ua/mednye-trubc... 2. BM Group 25 mm2, M6 (BM01631) - https://luxelectro.com.ua/ru/uk/kabel... 3. BM Group 90° 25 mm2, M6 (BM016319) - https://luxelectro.com.ua/ru/kabelnyj... something similar from the Chinese: 1. insulated lugs - https://s.click.aliexpress.com/e/_Dln... 2. non-insulated lugs SC25-6 https://s.click.aliexpress.com/e/_DBM... Everything for attaching jumpers and terminals to batteries: 1. DIN913 Screw M4x18 set A2 INB pl.kin - https://fixpro.com.ua/din913-gvynt-m4... 2. DIN 9021 Washer M4(4,3) A2 D12 s1,0 - https://fixpro.com.ua/din-9021-shajba... 3. DIN6923 Nut M4 flange A2 - https://fixpro.com.ua/din6923-gajka-m... 4. DIN7980 Washer 4 springs A2 - https://fixpro.com.ua/din7980-shajba-... 5. DIN125 Flat washer 6 x 12 A2 - https://fixpro.com.ua/din125-shajba-p... 6. DIN913 Screw M4x16 ustan A2 - https://fixpro.com.ua/din913-gvint-m4... 7. DIN6923 Nut M6 flange A2 tooth - https://fixpro.com.ua/din6923-gajka-m... 8. DIN7980 Washer 6 springs A2 - https://fixpro.com.ua/din7980-shajba-... 9. Stainless Steel Thread Adapter Male to Male M4 to M6 Size: M4x15-M6x15 - https://s.click.aliexpress.com/e/_DEE... fastening in the Chinese: 1. 304 Stainless Steel Hexagon Socket Flat Grub Headless Bolt Set Screw - https://s.click.aliexpress.com/e/_DFA... 2. 304 Stainless Steel Large Size Oversize Big Wider Flat Washer Plain Gasket - https://s.click.aliexpress.com/e/_DFA... 3. Locknut Lock Nut DIN6923 - https://s.click.aliexpress.com/e/_DmE... 4. Spring Split Lock Washer - https://s.click.aliexpress.com/e/_DFZ... 5. Stainless Steel Large Size Oversize Big Wider Flat Washer Plain Gasket - https://s.click.aliexpress.com/e/_DBi...