E-Flite Celectra 4-Port 1-Cell 3.7V Li-Po Battery Charger w/AC Four independently functioning charging circuits to reliably charge your single-cell LiPo batteries AC/DC 6V power supply compatibleincluded All 4 ports can be used simultaneously or one at a time No need to use batteries while at home near a power High capacity D-size batteries provide many charges and mazimum portability Charges E-flite and ParkZone single-cell LiPo batteries