Features: When main power supply is cut off, YX850 can automatically switching to the backup battery, ensuring continuous power supply to the equipment and avoiding data loss or equipment damage. The wide input voltages ranges supports input voltages from 5V to 48V for multiple power sources, including common power supplies and batteries. The output current for high output current is 10A, which can meet the power needs of most devices for emergency power supply of highly power equipment. lithiums battery compatibility specifically for lithiums batteries, supporting multiple lithiums battery pack that can effectively extend the usage time of backup power sources. The safetys protections function overvoltage and short circuits protections functions to ensure the safe operation of the equipment and extend the product life. with small volumes, making it easy to install and carry, for home and mobile applications. Multiple application for various occasions such as uninterruptible power supply (UPS), emergency lighting, networking equipment, monitoring systems. Easy to use, easy to installs, not need for complex setting, users can quickly get started and reduce operational difficulty. Specifications: Materials: Size: 61x30mm/2.4x1.18inch Quantity: 1PC, 3Pcs(optional) Package Includes: 1/3Pcs Battery Module note: Please allow 1-2cm errors due to manual measurement,please make sure that do not mind before order. Due to difference between different monitors, the picture may not reflect the actual color the item.