Usage Tips:Quality Assurance: advantage from our advanced equipment and strict quality testing standards. Our aim is to bring you cost-effective, quality products that meet and exceed your expectations. Superior Material: Constructed from premium copper, these bus bars are nickel-plated to offer exceptional chemical and corrosion resistance. Assure longevity and reliability with our high-quality bus bars in your DIY battery projects. Thank you very much: Thank you very much for choosing this product Perfect Fit: The hole distance of 74mm is equivalent to the width of one battery, ensuring a snug fit and Perfect connection for your solar power storage, enabling efficient energy fer Wide Applications: Perfect for Lifepo4 batteries DIY CATL 271Ah/280Ah/310Ah, LISHEN 272Ah, and EVE 280Ah, they also work well for 12v 24v lithium battery capacity above 250Ah battery cells. Our bus bars add flexibility and durability to your battery setup. Material: Copper colour: As Shown Package Contents: 8 x Battery connector flexible busbar copper plate Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.