Syma X5-15 X5C X5SW-1 H5C 1 To 4 3.7V 600MAH Upgrade Battery Note: This is upgrade battery & its 600m Ah while the original battery is 500m Ah. Its certainly to fatter than theoriginal battey. However it is absolutely suit forthe X5C quad copter. Please look at the video. Please ensure using! Description: Brand Name: Syma Item Name: Lipo Battery Specification: 3.7V 600m Ah 25C Lipo battery Playing time for X5C: About 9 min & 50 second Playing time for X5A: About 10 min & 40 second Charging Time: About 90 min (four battery charge together) Cable Length: 35mm Dimension: 85 x 25 x 40mm Weight: 100g Feature: Upgrade to 600m Ah, longer flight. Suitable for Syma X5SW-1X5C X5A H5C quadcopter Package Included:1 x X4 charger set 4 x battery HORI4 x 3.7V 600m Ah 25C Lipo battery