AA: For makita 18V li-on battery：BL1815，BL1815B，BL1820，BL1820B，BL1830，BL1830B，BL1840，BL1840B，BL1850，BL1850B， BL1860，BL1860B，BL1845，BL1890，BL1890B. Cigarette Lighter Plug. LED indicator shows the battery status.
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