Milestock Replacement Part Compatible with Makita BL1815 BL1830 BL1830B Power Tools Input: 110V AC, Output: 21.5V DC 1.8A Ensure the seamless operation of your Makita BL1815 BL1830 BL1830B Power Tools with the XH2150-1800 21.5V Battery Charger Don't replace your entire Makita Power Tools; upgrade with the XH2150-1800 21.5V Battery Chargerr. Experience excellent quality, reliability, and compatibility. Trust Milestock for your Makita Power Tools power needs Milestock 21.5V Fast Li-Ion Battery Charger for Makita BL1815 BL1830 BL1830B Power Tools