High-Capacity Lithium Battery: Enjoy reliable power with this 4.0 Ah battery, 4000 mAh for 4.5h runtime. Compatible with DC 20V systems, it delivers stable performance with eco-friendly lithium polymer technology for long-lasting, efficient power 20V Charger for Fast Charging: This charger is designed for lithium batteries, supporting fast charging. The clear battery indicator lets you track charging progress at a glance, while advanced cooling system ensures secure and reliable operation Compatible with Makita Interface: This charger comes with a convenient 5.91 ft power cord for easy use. Its compact design (4.72 x 2.95 x 2.76 in/120 x 110 x 72 mm) lets you store and carry it with ease, making it a breeze for on-the-go charging Reliable and Secure Performance: This charger is equipped with multiple security features to safeguard your battery. It extends battery lifespan and ensures consistent performance Quality Replacement Battery: Compatible with a wide range of 4.0 Ah battery-powered tools, this battery boosts your work efficiency. Whether for home use or professional tasks, it delivers reliable, powerful performance to tackle any job with ease