High-performance 3.6V 3350mAh 18650 Lithium-ion Battery (Model HG1AE4924), featuring Panasonic-grade cells, 1S1P configuration, and superior energy density for reliable power in portable hand-held massagers and lighting devices. Engineered with built-in protection against overcharge, over-discharge, short circuits, and overheating, this lightweight 46g battery delivers long cycle life, stable output, and safe operation under wide temperature ranges (-20°C to 60°C). Ideal for industrial, outdoor, and consumer applications requiring durable, high-capacity power solutions.More