The production of lithium ion batteries starts the moment silicon battery cells are manufactured, causing lithium battery manufacturers to emerge in the middle of the battery supply chain. These specific manufacturers make the best lithium-ion battery packs because they put a lot of stock into their research and development, investing in the most effective battery adjusting methods, boosting energy density, increasing charge cycles, and enhancing security features. Low-quality batteries are the norm for heavy not-so-well-known brands, yet with emerging manufacturers, each custom battery might go beyond those described standards. Some manufacturers will go as far and far offer batteries tailored for specific electric vehicles, energy storage systems, or consumer electronics.