Product Overview The 331619 is a 3.7V 90mAh 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 3.1×16×19mm (T×W×L) footprint that combines a stable 3.7V nominal voltage with a true 90mAh capacity — so portable devices run longer on a single charge without adding bulk. Each cell is produced on automated
