The 402540 is a 3.7V 350mAh rechargeable lithium-polymer pouch cell engineered by VATS Battery for reliable, long-lasting power in modern electronic devices. Built on a compact 3.7×25×40mm (T×W×L) footprint, it combines a stable 3.7V nominal voltage with a true 350mAh capacity, so portable devices run longer on a single charge without adding bulk. Each cell is produced on automated lines and individually screened for capacity, voltage and internal resistance before shipment,
