This is High Quality X4 Mini USB Charger 4 Ports. Additionally, the price is low. It is an excellent RC parts for your Quadcopter. <br><br><strong>Features:</strong> <br>Charging 4 batteries at one time <br>Over charging protection <br>Short circuit protection <br>Batteries not include <br><br><strong>Specifications:</strong> <br>Li-Poly Charger <br>Voltage Input: DC 5V <br>Voltage Output: 4.3V <br>Capacitance：500mAh <br><br><strong>Compatible RC Quadcopter battery:</strong> <br>Hubsan: H107 H107L H107C H107D <br>Wltoys: V202 V252 V939 <br>UDI: U816 U816A U830 <br>JXD: 385 388 392 <br>Syma: X5 X5C <br>FY: FY310 FY310B <br>YIZHAN: X4 <br>JJRC: 1000A 1000B 5000 <br>DFD: F180 <br><br><strong>Package Information:</strong> <br>Package size: 9 * 5 * 2.5cm / 3.6 * 2 * 1in <br>Package weight: 25 g / 0.9 oz <br><br><strong>Package list:</strong> <br>1 * High Quality X4 Mini USB Charger 4 Port