The 18650 SMT battery holder is designed for 18650 lithium batteries, utilizing Surface Mount Technology for convenient installation. It provides a reliable battery connection, ensuring good electrical contact and stable battery performance. The battery holder is made with high-temperature resistant materials, making it suitable for various electronic devices and power systems. It is widely used in portable electronics, wireless sensors, and embedded systems. The product is simple to use and allows for DIY rechargeable power supply. It is suitable for 18650 3.7v batteries and comes in different sizes, including 1, 2, 3, and 4 slots.