20C 7.4v 850mah lithium polymer cell battery pack 

 

Capacity:	850mah
Voltage:	7.4v
Configuration:	2s1p
Constant discharge rate:	20C (17A)
Burst rate:	35C (29.75A)
Weight:	60g
Dimension:	16x30x53mm
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.