Feature: 1. APPLICABLE BATTERY: The battery adapter is suitable for converting for 18v BL series lithium battery to for Stanley 18v, 20v and for Craftsman 18v, 20v V20 series lithium battery tools. 2. ABS MATERIAL: Made of premium ABS material, the battery adapter is strong and sturdy, wear resistant and scratch resistant, ensures a long life span. 3. TIGHT FIT: The adapter is carefully crafted in accordance with the size of the battery, and the adapter will not fall off and shake during use, safe and reliable. 4. LIGHTWEIGHT: This battery converter is small in size and light in weight, easy to install and carry, convenient to use. 5. IDEAL REPLACEMENT: This premium conversion rate battery adapter is an ideal replacement for the old and damaged parts for better power tool performance Specification: Item Type: Battery Adapter Material: ABS Adapter Top: Suitable for Stanley 18v, 20v and for Craftsman 18v, 20v V20 series lithium battery power tools. Adapter Bottom: Compatible with for BL series 18V lithium ion battery. For BL1815 BL1820 BL1830 BL1830B BL1840 BL1840B BL1850 BL1850B BL1860 BL1860B, 18V lithium battery.. Package List: 1 x Battery Adapter Note: 1. The adapter is equipped with a protective plate. When it is not used for a long time, separate the battery from the adapter to avoid damaging the battery.2. This adapter does not support charging the battery.3. Please confirm the relevant electric tools and corresponding batteries when purchasing to avoid mistakes.