A lithium-polymer battery for a small unmanned aircraft has a rated capacity of 2200 milliampere-hours (mAh). For safe usage, what is the maximum continuous charging current using the manufacturer-recommended 1C charge rate?

During preflight inspection of your small unmanned aircraft system (sUAS), you notice the lithium-polymer battery appears swollen. Applying safe usage procedures for lithium batteries, what is the required action?

During preflight inspection of a small unmanned aircraft system, the remote pilot observes that one of the lithium-polymer batteries is swollen. This condition indicates a high risk of what system failure mode?

Lithium batteries in small unmanned aircraft systems can enter a state of thermal runaway due to factors such as physical damage, overcharging, or manufacturing defects. What is the primary systems-level hazard that results from thermal runaway?

Which of the following is a recommended best practice for safely charging lithium-polymer batteries used in small unmanned aircraft systems?

What is a primary risk associated with fires involving lithium batteries used in small unmanned aircraft systems?

For safe transportation of lithium batteries used in small unmanned aircraft systems, what must the remote pilot in command ensure?

While operating a small unmanned aircraft 4 statute miles from the nearest suitable landing site, the remote pilot observes 15% battery capacity remaining. The aircraft cruises at 35 miles per hour (mph) and consumes battery at an average rate of 3% per minute. Approximately how much flight time remains before depletion, and what is the MOST APPROPRIATE immediate action per emergency procedures?