Teenitor 3.7V 680mAh 20C Lipo Battery(4PCS) with 5 in 1 X5 Battery Charger for Syma X5C X5C-1 X5SW X5SC X5A X5 & Cheerson CX-30W - Batteries Upgrade - Longer Flight Time Parts Package included: Generic 3.7V 680mAh 20C Lipo Battery(4PCS) with 4 In 1 X4 Battery Charger for Syma X5 X5C X5A Parts Product Dimension: 40mm lenth,25mm width,8.5mm thickness Lipo Battery Capacity: 3.7V 680mah 25C