This is the RDX1 Mini AC 65W Compact Charger from HiTec.

Expanding on the popularity and superior performance of the RDX1 charger line, this is the AC input, micro processor RDX1 Mini. Hitecs sleekly-designed, compact AC charger packs 65 watts of power into a fraction of the size of most chargers to meet your battery management requirements. It is compatible with a full range of the most popular battery types, including the new generation LiHV. With 6 amps of maximum charging current and 2 amps of discharging current.