Product Overview The 551730 is a 3.7V 210mAh lithium-polymer pouch cell engineered by VATS Battery for reliable, long-lasting power in modern electronic devices. Manufactured by an ISO9001-certified lithium battery maker based in Guangdong, China, it is built on a compact 4.4*17*30mm (T*W*L) footprint that combines a stable 3.7V nominal voltage with a true 210mAh capacity — so portable devices run longer on a single charge without adding bulk. Each cell is produced on
