Hitachi ktl618bl all new 18v 6 piece brushless kit with 2 x 60ah li ion batteries hitachi power tools has launched a new high capacity 60ah lithium ion battery which is compatible with the entire range of 18v cordless tools the bsl1860 li ion battery is the same size and weight as previous batteries but with greater capacity and working time a multiplex protection circuit protects the cells from overload overcharging and over discharge ensuring a long lifetime with up to 1500 charge cycles the n