Neewer&reg; RC Accessory 4 in 1 Battery Charger for Hubsan X4 H107L H107C H107D WLtoys V977 V930 V202 V252 V939 V933 V955 UDI U816 U816A U830 JXD 385 388 392 Syma X5 X5C JJRC 1000A 1000B 5000 DFD F180 This 4 in 1 battery charger allows you to charge 4 batteries at one time. Effectively reduce charing time. Always keep the spare batteries ready so as to extend your playing time. Over charge protection as well as short citcuit protection to ensure safe charging. Charging indication light makes it easy to learn the charging status.