Features: <br />High quality and durable in performance<br />Short-circuit for protection<br />Over-temperature current adjustment<br />Protection of opposite connection<br />X6 charger can charge six battery once time<br />With over-charge protection for every port， batteries are safer to you <br />Compatible with WLtoys V931 / F949<br /><br />Specifications:  <br />Charger: X6 <br />Input: DC 5V<br />Output: 4.2V (more or less within 5 present)<br />Plug type: US plug with EU adapter <br />Plug: 3A US Charger Plug with EU Adapter<br />Battery: 3.7V 720mAh 25C <br />Battery size: 9 x 2.5 x 4cm / pcs <br />Battery weight: 18.2g / pcs<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />    Specifications<br />Specifications<br />  Type: Batteries， Chargers and Cables                                                  <br />                        Suitable for: WLtoys V931 / F949                                                  <br />                        Voltage: 3.7V                                                  <br />                        Capacity: 720mA                                                  <br />                        Feature: Tools/accessories of radio control series toy                                                 <br />Dimension and Weight<br />  Package Weight: 0.24 kg                                                  <br />                        Package Size (L x W x H): 14.5 x 5 x 9 cm / 5.70 x 1.97 x 3.54 inches                                                 <br />Package Contents<br />  Package Contents: 1 x X6 Charger， 1 x US Charger Plug with EU Adapter， 6 x 3.7V 720mA 25C Li Battery                                                 <br /><br /><br /><br />                                                                   Product Safety Disclaimer: <br />We do not accept any responsibility or liability for misuse of this or any other product.  All our products are extensively tested to comply with rigorous and strict QC standards.  For certain products (e.g. toys， knives， etc.)， we recommend proper supervision as we cannot be held liable for misuse or accidents.<br /><br />                                                <br />