Description: Adapter For Hitachi For Hikoki 18V lithium battery convert to For RIDGID 18V lithium battery tool. Top of the converter: For the Tools: for RIDGID & for AEG 18V Lithium Battery Power Tools Bottom of the converter: Suitable for Hitachi For Hikoki 18V Lithium-Ion Battery:BSL1815, BSL1815X, BSL1820, BSL1825, BSL1830, BSL1830C, BSL1840, BSL1850, BSL1860. Package includes: 1 * Battery Adapter (no battery, no tool) This converter does not support for Hitachi For Hikoki 20V lithium battery with the CRAFTSMAN charger! Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Manual measurement, please allow 1-2cm error. Thanks for your understanding. WARNING: Make sure that the battery is fully inserted for normal use Please do not force into the battery pack, if the battery pack can not be installed, the installation method may be wrong This product is only compatible with the tools, not compatible with the charger, Do not use the adapter to charge the battery When you need to charge the battery, remove the converter