High-Capacity 3.7V 420mAh 462539 Lithium Polymer Battery offers ultra-slim design (Max 41.0x25.5x4.7mm), lightweight at 11g, ideal for portable electronics, IoT devices, and wearable tech. Features stable voltage, low internal resistance (≤200mΩ), and JST-ZHR-2P connector for reliable power delivery. Suitable for industrial and consumer applications requiring long cycle life and safe operation.More