Makita 191v42-8 Xgt Power Source Kit Wtth 2 X 5ah Batteries- Charger & Makpac Case

From the power tool batteries & chargers range:

The 191V42-8 Power Source Kit consists of 2 x BL4050 40V Max XGT Li-ion 5.0 Ah batteries and a DC40RA/2 240V fast charger, supplied in a Makpac case. The MKP 5.0 Ah Power Source Kit is specially designed for use with 40V Max and 18V LXT products being used in continuous operation. The BL4050F is a 40V Max Li-ion XGT 5.0 Ah Battery, a new type of cell with increased water and drop impact resistance. Communication between the battery and charger, allows to read more detailed information on the battery usage history. The BL4050F communicates digitally between the battery and the tool and battery and the charger and is equipped with 4 LED battery fuel gauge with a check button and cooling system for maximum battery life. The average charging time for a BL4050F is approximately 50 minutes. The 240V DC40RA 40V Max Fast Charger is designed for charging 40V Max Li-ion XGT batteries, equipped with raised and enlarged charging indicator status light for a more visible indication, selectable melody sound for notification of fully charged battery and has two cooling fans, one for the battery and one for the charging circuit. The DC40RA is capable of performing consecutive fast charges of batteries and is compatible with the Makita Interchangeable Adapter ADP10 (available separately) for charging Makita Li-ion LXT slide type batteries. DC40RA is wall mountable. The charging time for a BL4020 40V 2.0 Ah battery is approximately 22 minutes, BL4025 40V 2.5 Ah battery is approximately 28 minutes and a BL4040 40V 4.0 Ah battery is approximately 45 minutes.