i hope this is on topic enough, i went lookin around to find out what the s in 3s 4s 5s etc.. lipo meant. that is explained here [link=http://www.rcslot.com/blog/lipo-batteries-explained-a-how-to-guide-for-lithium-polymer-batteries.html]3s 4s explained[/link]
and some information on charging, care, and safety with lipo packs. quite a few informative videos on them exploding under certain circumstances.
[link=http://www.rchelisite.com/lipo_battery_charging_and_safety_guide.php]lipo battery charging and safety[/link]
i hope this helps someone.
http://www.rcslot.com/blog/lipo-batt...batteries.html
http://www.rchelisite.com/lipo_batte...fety_guide.php