Higher capacity, smaller size! 50-100% increase in capactiy over NiCD battery pack, Longer life, 500-1,000 charge / discharge cycles, Light Weight, Environmental friendly, Flat discharge curve: The battery will remain in full voltage in 80% of the usage, Compatible Handheld: IC-W32, IC-W31, IC-T7A, IC-T22, IC-Z1A, Capacity: 650mAh Voltage: 9.6V.