2-Pack of 3.7 volt - 600mAh 35C Lipos for the Blade 120 SR Helicopter
These 1-cell lithium polymer 600mAh battery packs are great for tons of applications, and it fit right into the E-flite Blade 120 SR, Blade 180 QX HD, Blade mQX, UDI U818A, and Syma X1 with no modifications necessary! 35C continuous discharge rate of 21 amps with 42 amp bursts, and a 2C charge rate. Pack includes JST discharge connector.Dimensions: 58mm x 16mm x 6mmWeight: 14 grams