7. 4v 4000mAh 20C lithium Polymer Battery Pack

 

Capacity:	4000mah
Voltage:	7.4v
Configuration:	2s1p
Constant discharge rate:	20C (80A)
Burst rate:	35C (100A)
Weight:	218g
Dimension:	13x50x147mm
Balance charge plug:	JST-XH or JST-EH
Discharge plug:	female dean plug or banana plug
Certificates	CE,ROHS

Lithium Polymer batteries have twice the capacity at about half of the weight of comparable NiCad or NiMH packs. As your models use lighter batteries their performance will improve RADICALLY and your flight times will more than double.