Good write up for the batteries. Coming from RC Crawlers and on-road cars its surprising how few people seem to use Lipos in tanks considering how popular they are in other RC segments. Seems to be a lot of mis-information on them floating around. One thing that you did not mention about them though is proper use and storage which is the key for staying safe. Things such as fireproof storage/charging area, making sure not to over discharge or over charge, storage voltage, visual inspection for general condition, proper balance charger and finally disposal. Long story short if you follow best practices for Lipos they are a great battery technology to use.