2 x V931 RC Heli Parts 3.7V 720m Ah 25C Upgraded Battery Description: Item Name: 1S 3.7V 720m Ah Li-po Battery Weight: About 16.9g/piece
Size: 4.2 x 2.5 x 0.95cm Flying time: About 8 minutes (Manufacturer rated) (the original V931 only 5 minutes & 30 seconds) Charging time: About 40 minutes Usage: For Wltoys V931 RC Helicopter Note: This product is the Upgraded Battery, so the capacity & the size will be more bigger than the original one. It will be hard & tight when installing the battery. & also you can tear up the product surface tag, if it still very hard to install. Please note that before buying. Package Included:2 x 3.7V 720m Ah Li-po Batteries