Makita battery pack 2 x bl1840b dc18rc user benefits battery pack consisting of 2x18v 4,0Ah li-ion batteries, fast charger past, the laws makpac system suitcase str.2. Technical specifications battery Li-ion battery capacity 4,0 Ah charging time mine. - 36 Battery type 2Xbl1840b 1xdc18rc makpac 1 cordless voltage 18 V number 1