Bosch Battery - Blue 10.8v / 12v - 4AhSku : 45602Mfgr Part # : GBA 12V 4.0AHDelivery : Ships ~2 days.Price : $133.73 ex-gst$153.79 inc-gst.Price per : Item Add to Cart Now more than 3 times as much runtime compared to traditional 1.3 Ah battery. Flexible Power System: 100% compatible to all Bosch Blue Li-Ion tools and chargers within same voltage class Extremely robust: fully functional even after a 3-m drop onto concrete