2 Pieces Generic Replacement for Makita Bl1840 18v 4.0ah Li-ion Power Tool Battery The battery is a brand new,undamaged. Fit for new Makita 18 Volt cordless power tools and genuine chargers 18V 4.0Ah,continous out current 50Amp,heavy loading It is a replacement battery,1 year warranty. It's usually 15-30days for delivery with tracking number.