Premium LiPo Battery AS423040 – Direct Factory Price

UL-certified 3.7V 530mAh rechargeable battery, ideal for portable electronics (e.g., wireless earbuds, mini drones, medical devices). High-density lithium polymer ensures stable output with ultra-thin 4.2×30×40mm design for space-saving integration. Precision-welded tabs and multi-layer protection prevent overcharge/leakage. Bulk discounts available – global wholesale supplier with lowest pricing.