This is the set of two E-Flite LiPo Battery 7.4V 120mAh 2S 20C 26AWG.
Wire Gauge: 26 AWG
Weight: 0.32 oz (9 g)
Length: 1.20 in (30mm)
Width: 0.80 in (20mm)
Height: 0.37 in (9mm)
Maximum Continuous Discharge: 20C
Maximum Continuous Current: 2.4A