The g. T. Power v6 charger is a simple yet powerful multifunctional charger with built in lipo balancing (jst-xh) for up to 6s. It is packed with features that exceeds many higher cost units. Primarily designed for lithium polymer (lipo, li-poly) batteries, it can also charge li-ion, li-fe (a123m1), ni-cd, ni-mh, and pb (lead acid) batteries. Features smart ultra modern charger 2. 4"" ips tft high defination screen rolling push button control up to 16a charging current capacity limit maximum safety temperature monitoring input power monitoring easy to program buttons 10 battery memory individual cell monitoring built in balancer to 6s packs cycle charging/discharging includes ""fast"" & ""storage"" li-xx programs product details output 300w when voltage is greater then 21v dc discharge 25w balancing current 1a/cell operating input voltage : 7 - 28v dc ni-cad / ni-mh : 1 - 16 cells lipo / li-ion / li-fe : 1 - 6 series charge current : 0. 1 - 16. 0a discharging current: 0. 1 - 3. 0a pb / lead acid : 2 - 24v built in cell balancer : up to 6s (series) li-po (jst-xh connectors) no. Of cycles : up to 5 cycles weight : 120g dimensions : 80mm x 80mm x 32mm (gt-v6)