DEWALT DCB183 18V 20AH XR LITHIUMION BATTERY PACK The lightweight design of the Dewalt DCB183 gives pthe user with upgraded runtime without increasing the size or weight over the 18V 15 Ah battery pack providing an alternative to the heavier 40 Ah & 50 Ah battery versions DEWALT XR 20 Ah Li Ion Battery Technology offers extended runtime & optimised power to complete applications quickly LED State of Charge Indicator helps manage the charging of the battery pack