Converter Top:Perfectly compatible with most for BOSCH 18V Garden PBA series green tools, except PSM 18 LI and ALB18 LI The bottom of the converter is suitable for Makita battery model:BL1815 BL1815B BL1820 BL1820B BL1830 BL1830B BL1840 BL1840B BL1850 BL1850B BL1860 BL1860B BL1845 BL1890 BL1890B, 18V lithium battery... Adapter for Makita 18v BL series lithium battery for Bosch CH green power tools. Perfect replacement for BOSCH 18V PBA batteries. Convert for Makita 18V BL series lithium battery to BOSCH 18V PBA battery. Precautions: 1.The adapter has a protective plate. When not in use for a long time, separate the battery from the adapter to avoid damage to the battery 2.This adapter does not support charging the battery 3.There is only one adapter, not including batteries and electric drill tools. The appearance and color of products may vary with different batches, which will not affect the use Colour:Black Material:plastic Package Contents: 1 * Converter Only the above package content, other products are not included. 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.