High-performance 3.6V 4800mAh 18650 Lithium-ion Battery for walkie talkies and wireless communication devices. Engineered with premium 18650 cells, this lightweight, durable battery delivers long-lasting power, fast charging, and stable discharge. Ideal for professional two-way radios, it features overcharge, over-discharge, short circuit, and overcurrent protection. Built for reliability in extreme temperatures (-20°C to 60°C), it ensures uninterrupted performance in mission-critical communications, outdoor operations, and industrial applications worldwide.More