Remember when you could keep your batteries fully charged? Power your life with the WEN 20V Max 2-Amp Lithium-Ion Battery Charger. Take your WEN 20V 2.0Ah batteries from 0 to 100% in approximately one hour. This charger is compatible with the entire WEN 20V Max Lithium-Ion Cordless Tool Series, including model numbers 20202, 20204, 20205, 20107, 20135, 20121, 20401, 20405, 20630, 20625, 20653, 20944, 20496, 20200C, 49120, and 49135. Just slide the battery into place and let it charge, with indicator lights to help inform when it is done charging. Power your life with the WEN 20V Max Lithium-Ion Quick Charger. Remember when you could charge your batteries quickly and efficiently? Remember WEN.