Dimensions:
12.5″ L x 8.5″ W (when deflated)

Storage and Battery Function:
The L90-AI has a Lithium-Polymer Ion battery (similar to your cell phone) that was specifically chosen for its energy storage capacity and quality. The L90-AI can hold a full charge for over 4 months. Before storing for an extended period of time, it is best to make sure the battery is fully charged. Recommend charging is every 1-2 months to keep the battery at optimum condition. Perfect for night time walks, camping, emergency preparedness. This is a very compact - super light that will never let you down.