Description: 4 in 1 Balance Lipo Battery Charger Board for Tello RC Helicopter Aircraft Material: Plastic Plug Standard: European Standard Remote control Drone battery charger Board Can charge 4 batteries at one time Specification: Input: AC100-240V 50/60zH Output: DC4.35V 4A Size Chart: Approx. 13.2x4x11.2cm/ 5.2x1.57x4.41inch Package Includes: 1 Piece 4 in 1 Battery Fast Charging Board Note: Due to manual measurement, there may be 1-2mm error in size