Offers a rapid charge for all DongCheng 18V (20V Max) Lithium-ion battery. Recharges FFBL2020 Lithium-ion battery in only 60 minutes or less. On-board LED indicator displays the charge status. Easily troubleshoot batteries with the integrated battery diagnostics. Defective battery indicator will illuminate immediately if a malfunction is detected. Integrated temperature sensor keeps your batteries at the pinnacle of performance. The charger will prevent charging from an unsafe temperature. Dongcheng 20V MAX Lithium-Ion Battery Charger, rapid charging within 60 Minutes when charging DongCheng FFBL2020 battery. Compatible with the DongCheng 20V Max Lithium-Ion battery platform. LED indicator offers real time charging feedback.