This is a 11.1V 2200 mAh LiPo battery pack. Its made by 3 pcs LiPo cells of 3.7V 2200mAh each.
The B3 Compact charger is a very simple to use charger for 2S and 3S battery packs. No need for additional power supplies or 12v batteries as this little unit has its own built in power supply that can be powered with 100-240v.
ABS Plastic Multipurpose Enclosures w/ Card Guides 1591 Series
Flame Retardant, General Purpose, Flanged Lid or Bottom
2S JST-XH Lipo Balance Silicone Wire Extension Adapter with 20CM Brand new jst-xh 2S balance extension wire for use when charging your 2S lipo batteries.