MAKITA BL1850B BATTERY 18V 5Ah 632F15-1 The original MAKITA BL1850B Li-ion battery 18V 5.0AH (632F15-1) has a charge indicator. The big advantage of this battery is the speed of charging, which takes only 45 minutes! The BL1850B battery with increased capacity extends the operating time of cordless power tools. It is compatible with fast chargers. Additionally, it has cooling systems for maximum durability. FEATURES AND ADVANTAGES It has a built-in charge indicator The BL1850B increases the operating time of 18V cordless power tools by 33% compared to 4.0Ah and by 66% compared to the popular BL1830 3.0Ah version. The BL1850B can be charged using a standard DC18RC and will be fully charged in just 45 minutes, making it the fastest charging 5.0Ah battery. Compatible with fast chargers Electronically controlled optimal charging Cooling system for maximum battery life Built-in battery protection system High-quality cells resistant to extremely low temperatures TECHNICAL DATA Cell type: Li-ion Battery voltage: 18V Capacity: 5.0Ah CHARGING TIME DC18RC: 45 mins. DC18RD: 45 mins. DC18RE: 45 mins. DC18SD: 115 mins.