This is the 2200mAh Tx battery for the Futaba 14MZ Radio.

FEATURES: Plastic encased 7.4V battery
Lithium-Ion chemistry
Unique slide charged indicator

INCLUDES: One 7.4V 2200mAh Lithium-Ion pack

REQUIRES: Charger FUTM1700

SPECS: Length: 2.7" (70mm)
Width: 1.5" (38mm)
Height: .79" (20mm)
Weight: 3.6oz (103g)
Charging/Discharging cycles: approx 300

COMMENTS: The battery is not charged at the factory
Never leave the battery in the Tx when not in use