2pcs 3S 6200mah 60C EC5. 2pcs 3S 4500mah 60C Deans. 2pcs 3S 5200mah 50C Deans. 2pcs 3S 6500mAh 60C Deans. 2pcs 3S 5000mah 50C Deans. 2pcs 3S 6000mah 50C Deans. Cells 3S Battery Length 138mm/5.43nch. Specially designed for RC Car, RC Truggy, RC Boat, RC Helicopter RC Airplane, Quadcopter, RC Drone, RC FPV, etc.