E-flite Celectra 4-Port 1-Cell 3.7V 0.3A DC Li-Po Charger High capacity D-size batteries provide many charges and maximum portability(D batteries Not Included) REQUIRES a Optional E-flite 6V power supply (EFLC1005) to be used with a outlet. (Not Included) Requires the UM adapter to charge the wider 1S batteries (EFLA7002UM) (Not Included) Charges E-flite and ParkZone single-cell Li-Po batteries. Charges E-flite and ParkZone single-cell Li-Po batteries. Four independently functioning charging circuits to reliably charge your single-cell Li-Po batteries