The Goobay battery holder for 2x mono batteries with solder connections is a practical solution for the safe and reliable power supply of electrical devices. With compact dimensions of 71 x 73 x 31 mm, this holder provides an optimal fit for standard mono batteries. The solder connection allows for easy and permanent attachment, making it ideal for DIY projects and applications in electronics. The holder is designed to ensure stable and secure mounting of the batteries, minimizing the risk of loose contacts or interruptions. Whether for use in toys, lighting systems, or other electronic devices, this battery adapter offers a reliable solution for power supply. The use of high-quality materials ensures durability and high performance. The battery holder is a valuable addition for any hobbyist or technician looking for a flexible and effective way to integrate mono batteries into their projects.