Day Wireless Systems-rechargeable lithiumion battery model BP4497LI-NEW Experience the reliability and efficiency of the Day Wireless Systems Rechargeable Lithium-Ion Battery, model BP4497LI. Designed to power your devices with precision and longevity, this battery is an ideal choice for those who value quality and performance. The Li-Ion chemical composition ensures a consistent and robust energy supply for your wireless systems. Crafted by Day Wireless, a brand synonymous with durability and innovation, this battery is part of a lineage of products that are trusted by consumers and industry professionals alike. Whether you're using the battery for personal or professional applications, you can be confident in its ability to keep your devices operational when you need them most.