82742-01 Battery: Specifically engineered for Plantronics Savi W740 W740-M W745 W720 W440-M W440 W445 W02 WH500 WH500A CS540XD C054A C074 headsets. Replaces part numbers 84598-01, 82742-01, 204755-01, and 86507-01 seamlessly wh500 battery for plantronics: Revitalize your Savi W720 wireless headset with fresh power. This 2-pack 204755-01 battery ensures you maintain the original, excellent talk time duration, keeping you connected throughout your busiest workdays without frequent charging interruptions For Plantronics Savi W745 battery: Built with imperishable, high-quality materials designed for longevity. These for Plantronics W02 rechargeable batteries withstand daily wear and tear, offering a cost-effective and eco-friendly power solution for your professional communication gear savi w740 battery: Features a built-in microchip that provides dependable protection against overcharging, over-discharging, short circuits, and overheating. Rest assured that your headset and battery remain safe during every charging cycle and usage session 204755-01 Replacement Battery: Designed for unconstrained, hassle-free replacement. Simply pop out the old battery and slide in the new one to restore your device instantly. The precise 3.7V 140mAh specifications ensure a snug fit and immediate functionality This WH500 battery set is engineered to replace a wide range of Plantronics models. It is fully compatible with the Savi W740, W740-M, W745, W720, W440-M, W440, W445, W02, WH500, WH500A, CS540XD, C054A, and C074. It serves as a direct replacement for part numbers 84598-01, 82742-01, 204755-01, and 86507-01. Please verify your headset model to ensure a seamless fit. These high-capacity 82742-01 batteries (3.7V, 140mAh, 0.5Wh) deliver the extended talk time you need to get through the busiest days. Once installed, your headset will work exactly as it did when you first bought it, providing stable voltage and consistent power output for clear, reliable communication. Each for Savi W740 battery features a built-in intelligent microchip that provides comprehensive protection against overcharging, over-discharging, short circuits, and overheating. This advanced safety system ensures a dependable operation, giving you peace of mind while you focus on your work. There is no need for technical expertise or special tools. With dimensions of 33239mm and a weight of just 5.4g, this battery is an exact match for the original. The installation is incredibly simple: just pop out the depleted battery and slide in the new one. It is a perfect fit that allows you to get back to work in seconds. Package Includes: 2 x Replacement Batteries for Plantronics W740 Headsets Note: Please fully charge the batteries before the first use to ensure optimal performance and battery health.