This 21V Li-Ion battery charger is designed to keep your cordless power tools ready for action whenever you need them. Featuring fast charging capabilities and a convenient LED indicator that displays charging status at a glance, this adapter ensures you spend less time waiting and more time working. The compact design makes it easy to store in your workshop or carry to job sites without taking up valuable space. With a universal 100-240V input voltage, this charger works seamlessly across different power systems, making it ideal for both home and professional use. The 21V 1A output delivers reliable charging performance for cordless drills and various household power tools. The LED indicator provides clear visual feedback, letting you know when your battery is charging and when it's ready to use. Its lightweight construction and space-saving form factor make it a practical addition to any tool collection, whilst the intelligent charging technology helps protect your batteries from overcharging.