Features: Efficient Power Management: The 4S1P 40A plan ensures stable action of cell pack under high cargo, ideal for long length power demands like outdoor photography radiances and transportable speakers, stopping sudden power failures. Permanent ABS Substancemail: Constructed with excellent ABS, this battery case proposals excellent effect resistance and wear durability, making it suitable for harsh conditions like industrial locations otherwise wilderness expeditions. Intelligent Security Structuremail: Features multiple security mechanisms including overcharge, over release, and failure , enhancing battery life and security, particularly uav enthusiasts and professional photographers. Flexible Agreement: Backs various battery varieties, widely consistent different trademarks and models of backup power demands, fixing agreement concerns for technology enthusiasts who frequently change devices. Easy Installatparticlemail: Componentized plan allows for quick and tool complimentary installation and removal, excellent for users who need to move devices frequently, such as event organizers and outdoor activity planners, enhancing work efficiency. Specifications: Technical parametersecond: Assist positive countdown function, accurate electronic clock timing, clear and simple read on the LED display Package Includes: 1PC battery board note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.