This is the E-Flite LiPo Battery 7.4V 180mAh 2S 20C 26AWG.
Specs:
Type: Li-Po
Capacity: 180mAh
Voltage: 7.4V
Wire Gauge: 26 AWG
Weight: 0.45 oz (13 g)
Configuration: 2S
Length: 1.35 in (34mm)
Width: 0.80 in (20mm)
Height: 0.45 in (11mm)
Maximum Continuous Discharge : 20C
Maximum Continuous Current : 3.6A
This product was added to our catalog on October 3, 2011