Li-ion Battery 14500 3.7V Rechargeable Battery with PCB Wire and Connector
High-performance 14500 lithium-ion battery with built-in PCB protection for overcharge, over-discharge, and short-circuit prevention. Premium-grade cells ensure stable 3.7V output and extended cycle life. Pre-attached insulated wires and connector for hassle-free integration into DIY electronics, flashlights, power banks, and portable devices. Compact size (14mm diameter, 50mm length) fits tight spaces. Ideal for hobbyists, emergency lighting, and low-power gadgets. Bulk discounts available—wholesale pricing for large orders. Globally compliant, CE/RoHS certified. (Note: Excludes charger. For optimal performance, pair with a compatible Li-ion charger.)