This is the Hobbico 7.2V 900mAh NiMH Battery for the Hobbico Flyzone Skyfly Airplane.  It is a good idea to have a spare battery for less down time, and more flight time.

FEATURES: 6-cell 2/3A size with green shrinkwrap
Miniature Kyosho type connector

INCLUDES: 7.2V 900mAh NiMH Battery for the Hobbico Flyzone Skyfly

REQUIRES: Charging with one of the two chargers supplied with the Skyfly

SPECS:    Length: 2" (50.2mm)
Width:  1.3"  (34mm)
Height: 1.1"  (29mm)
Weight: 4.6oz (130mm)