Mellif Battery and Charger Kit, 20V 4.0Ah Replacement Dewalt Battery and 4.0A Fast-Charging Charger (110~240V Input), Compatible with Dewalt 20V Max Tools, 5V 2A USB Charger (Black & Yellow)

Wide Compatibility: Mellif 20V 4.0Ah battery and fast charger kit works with DeWalt 20V MAX tools and chargers, as well as Mellif 20V systems. A reliable and cost-effective replacement for DeWalt batteries High-Capacity 21700 Cells: Built with five premium 21700 lithium cells, this compact battery pack delivers 50% more capacity than standard 4.0Ah packs while cutting overall size nearly in half—more runtime without extra bulk Smart Charging Mode: The charger automatically adjusts between trickle, fast, and maintenance charging to protect the battery and extend its lifespan. Built-in 5V 2A USB port for charging your phone, tablet, or other devices at the same time Real-Time Display: Stay informed with the integrated digital screen, which shows real-time battery level, voltage, and current while charging. Fully charges the 4.0Ah battery in as little as 80 minutes Safety & Warranty: Engineered with multiple safety protections including overcharge, overload, overheat, over-voltage, and short circuit prevention. Backed by a 5-year warranty and reliable customer support for peace of mind ›See more product details ›See more product details