2x Lipo Battery 3.7V 200mah Plug for Wltoys V911 RC Helicopter Spare Part Features: Brand New & High Quality Item Name: 200mah 3.7V Upgraded Li-Poly Battery Usage: For New Battery Interface WLtoys V911 Upgraded RC Helicopter Brand Name: WLtoysPackage Included: 2 x LiPo Battery 200mah 3.7V