• [Endurance up to 13 s] Built-in 4 2600mAH high-performance lithium batteries, 13 s of long-term battery life provide strong current, high-power brightness output, illuminate the night.[Can be used as an emergency power bank] One thing is multi-purpose, it can illuminate the night while camping and exploring in the wild. It can also be used as an emergency mobile phone and other electronic devices to instantly transform into a mobile power bank.[Intelligent temperature control design] The b