It lets you enjoy the advantages of extended run-time of rechargeable batteries on your existing 20V tools because the converter is a professional product. Small size makes it easy to carry and store and convenient to use. Made of fireproof ABS material, the converter is durable to use. The length of converter is 11cm, the width is 7cm and the height is 4.1cm. It is suitable for Bosch 18V Rechargeable Battery. Item Name: Converter Material: Fireproof ABS Product Model: BS18DL Product Category: for Bosch 18V Rechargeable Battery to for DeWalt-18V-Rechargeable-Battery Rated Voltage: 18V Applicable Products: for Bosch 18V Rechargeable Battery Conversion Product: for DeWalt-18V-Rechargeable-Battery Product Color: Black Features: Long Lifespan, Space-saving, Easy Storage The maximum initial battery voltage(measured without a workload) is 20 volts and the nominal voltage is 18 volts. This adapter can be used on for DEWALT-20V-MAX rechargeable cordless powertools and it allows for use of 18V rechargeable batteries and replacement batteries in most batteries of for BAT609, BAT610, BAT611, BAT612, BAT618, BAT618G, BAT619, BAT619G, BAT620, etc. Size Details: Converter: 11cm x 7cm x 4.1cm/4.33" x 2.76" x 1.61" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Converter 1 x User Manual