8.4 LiPo Batteries - Flashcard Questions

Front

What should you do before flying next after your unmanned aircraft's lithium battery was ejected and has a small dent?

Back

Assess the extent of the damage.

Answer explanation

If you accidentally drop a LiPo battery on the ground, or your unmanned aircraft has been in an accident, and maybe during the accident your battery was ejected from its compartment or it hit something really hard, you absolutely need to assess the extent of that damage before conducting a test flight / flying again.

Front

What is NOT considered a best practice in terms of taking care of your LiPo battery? Options: Using your flight/travel case for long term LiPo storage., Always use a fire-proof LiPo safety bag, metal ammo box, or other fire-proof container when you are charging, discharging, or storing your LiPo batteries., When you’re charging a LiPo battery that has more than one cell, always use a proper LiPo battery balance charger/discharger.

Back

Using your flight/travel case for long term LiPo storage.

Answer explanation

Use a safety bag or fire-proof container like a metal ammo box for charging, discharging, and storage of your LiPo batteries. Using a flight/travel case for long term storage is not advised unless that case is a fire-proof LiPo safety bag.

Front

What is a proper maintenance practice for LiPo batteries? Options: Storing batteries together in a plastic bag, Ignoring a bulging battery case, Avoiding subjecting the battery to moderate or extreme cold temperatures

Back

Avoiding subjecting the battery to moderate or extreme cold temperatures

Answer explanation

Always store your LiPo batteries in a cool, dry place. Shoot for room temperature. Do not store them in a hot garage or in a refrigerator.

“Ignoring a bulging battery case” is the exact opposite of what you’ll want to do, and “Storing batteries together in a plastic bag” sounds helpful, but remember that it’s a best practice to store LiPo batteries in a safety bag or fire-proof container like a metal ammo box.