Product Description

The battery in working, the electrolyte density changes along with capacity changes. The capacity great density is high, the capacity few densities are low. It has a red and a green slightly floats the bead, rises and falls along with the density change, it demonstrates the different color. The green expresses that battery's active status is good. The red expresses that battery’s status is poor, need to replace. It's a very usefull product for your automobile. Any questions, you can send the Email to me, we could send you the details of this product. Looking forward to hearing you soon! Best regards Bryan Lham Accurate Model CO., LTD MSN: fzlham**1 at vip/**3/com