xMB-9640 Spares Midtronics official cables and spares designed for xMB-9640 The below range of cables and spares are approved for use with JLR xMB-9640 battery module balancers. Need help? Get in touch Let’s talk Need any help?Ken, our CEO, is available to help.We can help you select the perfect solution to fit your business’s needs. Book a call