Bottom of the converter Applicable for Makita battery model:<br> BL1815 BL1815B BL1820 BL1820B BL1830 BL1830B BL1840 BL1840B BL1850 BL1850B BL1860 BL1860B BL1845 BL1890 BL1890B, 18V lithium battery<br> MT18EIN:<br> (1). With MT18EIN, you can use the (for Makita ) 18V Li-ion battery on (for Einhell) 18V electric power tools, replace (for Einhell) POWER X-CHANGE (4511437) li-ion battery<br> color: Black<br> Material: ABS<br> Note:<br> (a). This product is only adapter. No includes the battery and machine in the picture.<br> (b).This product does not include machine and battery. The machine and battery in the product are only used to show the products<br> Package Contents:<br> 1 X Adapter Converter<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.