Converter Top:Perfectly compatible with most for 18V Garden PBA series green tools, except 18 LI and ALB18 LI The bottom of the converter is suitable for battery model:BL1815 BL1815B BL1820 BL1820B BL1830 BL1830B BL1840 BL1840B BL1850 BL1850B BL1860 BL1860B BL1845 BL1890 BL1890B, 18V lithium battery... Adapter for 18v BL series lithium battery for CH green power tools. Perfect replacement for 18V PBA batteries. Convert for 18V BL series lithium battery to 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 with different batches, which 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.