Pro Peak Sigma II EQ Intelligent Battery charger

This high performance, micro-processor controlled, fast charger/discharger has a built-in Lithium balancer. It's perfect for charging batteries from either a 10~18.0v DC source or a 110v AC supply. With a maximum internal circuit power of 50W and a variable charge current of up to 5.0A, the Sigma II EQ is a versatile and easy-to-use unit.