Lithium Battery Cell & Pack Manufacturers, Yok Energy lithium iron phosphate, lithium polymer batteries,lithium ion polymer, lithium cells, lithium ion batteries, lithium polymer, rechargeable lithium battery, rechargeable lithium batteries, lithium polymer battery manufacturer, lithium ion battery manufacturer Yok Energy has been providing rechargeable lithium batteries to industry since 2009. We offer industry leading products, particularly in mini and micro sizes, as well as larger cell products and multi-cell battery packs. We have technology advantages that make a difference to our customers products!