Product Overview The 953860-1S2P 5V 4000mAh Lithium Polymer Battery is a rechargeable lithium-polymer pouch cell engineered by VATS Battery for reliable, long-lasting power in modern electronic devices. Built on a compact, customizable footprint, it combines a stable 5V nominal voltage with a true 4000mAh capacity, allowing portable devices to run longer on a single charge without adding bulk. Each cell is produced on automated lines and individually screened for capacity,