Perkins 5509989 LiPoly 1-3 cell 250ma-2amp charger 12v
1-3 cell Li-Po & Li-Ion charger
Input voltage: 12V DC
Selectable output voltage: 3.7v, 7.4v, 11.1,
Selectable output current: 250-500-1000-1500-2000mA
Reverse polarity protection circuit included
Dimension: 125mm x 68mm x 24mm