V7 V7ES-S is a high-quality replacement notebook battery made from the highest-quality cells available and incorporates all of the standard logic boards, thermal protectors, thermistors, and circuit breakers to ensure maximum levels of safety, reliability, and efficiency. Compatible with top-line products from all major manufacturers and meets or even exceeds original OEM specifications to provide longer-lasting quality and no memory effect. With a capacity of 4800mAh and 6 cells, it offers extended battery life for your notebook.