Replacement charger for the mojo elite series king mallard 6v li-ion battery (hw2519).Quick smart li-ion battery charger for fast re-charge of li-ion 6-volt batteries.Monitors charge to prevent over charging, and monitors and trickles charges to maintain charge.It has an led light to indicate its status.*do not use with lead acid batteries.Function: Charge BatteriesBattery Size: 6 VoltColor: Black