BAKTH 2 Packs 3.7V 600mAh 25C Lipo Rechargeable Battery Pack for Syma X5 X5C X5C-1 X5SW X5SC X5SC-1 X5A Cheerson CW-20 Quadcopters-Longer Flying Time and Overcharge Protection Exact replacement for popular quadcopter models: Syma X5, X5C, X5C-1, X5SC, X5SC-1, X5SW and Cheerson CX-30W (Not compatible with X5HW) Specification: 3.7V 600mAh 25C Lipo battery, guarantee more flight time,high drain lithium-polymer rechargable battery More PUNCH and ROBUST performance due to its higher current output and power Charging Time : About 30 mins. Flight Time: 6-8 mins Dimensions: (1.65 x 0.98 x 0.35)" / (4.2 x 2.5 x 0.9)cm (L x W x H). Weight: 0.59oz / 17g