This is an E-flite 2S, 280mAh, 30C Li-Poly Battery Pack. This battery is compatible with a variety of E-flite UMX 2S applications and is a great high power upgrade.
Specifications:
Type: LiPo
Capacity: 280mAh
Voltage: 7.4V
Number of Cells: 2
Weight: 0.6 oz (16.9g)
Configuration: 2S1P
Length: 1.5 in (39mm)
Width: 0.8 in (20mm)
Height: 0.5 in (13mm)
Application: UMX 2S Airplanes
Maximum Continuous Discharge : 30C
Maximum Continuous Current : 8.4A
Charge Protection Circuitry: No
Is Assembly Required: No