Introducing the Honeywell spare battery, a high-performance power source designed for the EDA50K. This spare battery features a 3.8 V capacity and a generous 4,000 mAh, ensuring long-lasting power for your device. Lightweight at just 0.11kg, this battery is easy to carry and install. Manufactured by Honeywell, this spare battery is a reliable and efficient choice for your EDA50K. Keep your device powered up and ready to go with this top-quality spare battery.