Feature:1. The battery and the adapter are highly consistent, and will not fall off and shake during use, which is safe and reliable.2. The bottom end of the adapter is suitable for M18 18V M18, 48‑11‑1828, 48‑11‑1815, 48‑11‑1840, 48‑11‑1850, 48‑11‑1860, 48‑11‑189018V lithium ion batteries.3. The top of the battery adapter is suitable for V18 18V nickel battery power tools4. With a USB output port, it can charge mobile phones, tablets and other electronic devices.5. Built in battery and tool buckle, and is designed to prevent slippage and loosening, to ensure that the battery and tool are firmly connected.Specification:Item Type: Battery Dock Power ConnectorForming: Mold injectionMaterial: ABS+PC Package List:1 x Battery AdapterNote:1. The adapter has 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 battery3. Please confirm the relevant power tools and corresponding batteries when purchasing, so as not to make mistakes.