DCA1820 Adapter — Use 20 V batteries with your 18 V tools Key benefits Use newer 20 V batteries on legacy 18 V power tools, so you can keep using trusted tools while taking advantage of higher-capacity batteries. Maximizes battery efficiency and helps extend the service life of your tools by enabling more consistent power delivery. Saves money by avoiding immediate tool replacement; upgrade your power source without replacing your tool fleet. What it does Converts the battery connection so 20 V battery packs are compatible with 18 V tool platforms, allowing cross-compatibility between battery generations. Designed for quick battery swaps, minimizing downtime on the job. Compatibility and function Model: DCA1820 Adapter. Intended to pair 20 V batteries with tools rated for 18 V without modifying the tool. Suitable for both professional tradespeople and hobbyists who want to consolidate batteries across multiple tools. Build and performance Durable, worksite-ready construction designed to withstand routine use in demanding environments. Reinforced contacts and robust housing deliver reliable electrical connection and consistent performance across tasks. Compact, lightweight form factor for easy handling and storage. Installation and use User-friendly design enables fast, tool-free installation and removal for quick battery changes. No special tools or technical expertise required; installs in seconds so you can return to work promptly. Practical applications Construction site: Power your existing 18 V drills and impact drivers with newer 20 V batteries for longer runtime during framing, fastening, and general assembly. Home renovation and workshop: Use a single set of 20 V batteries across older sanders, saws, and cordless tools to reduce the number of different battery types you own. Maintenance and mobile service work: Carry one battery platform to service multiple 18 V tools on-site, reducing weight and inventory. What makes it stand out Simple, cost-effective way to modernize your toolkit without replacing functioning 18 V tools. Built for everyday use with focus on reliability and ease of operation. Clear compatibility: DCA1820 Adapter explicitly bridges 20 V batteries to 18 V tools. What to expect in use Quick, repeatable connections for frequent battery swaps. Stable power transfer that helps maintain tool performance and reduces interruptions. Continued use of existing 18 V tool investments while benefiting from advances in battery capacity and charging technology. Note Designed specifically as a compatibility adapter for 20 V batteries and 18 V tools (model DCA1820). Check that your specific battery and tool profiles align before use.