Replace initial Part number: 2ICP4-74/120, 2ICP4-75/121, 72558-005, 728250-121
Battery Details: Li-Polymer, Volts: 7.4V, Capacity: 4150mAh / 30.71Wh. Commodity specification: 20.39 x 139.45 x 3.79mm, Weight: 294.0g.
Perfect substitute for original battery.
Multiple Protection: Built-in multiple circuit protection (over-charging, over-current, over-voltage, short-circuit, high-temperature protection).
Worry-free service: 30-day money back guarantee and 12-month warranty for any quality issue, 24*7 email support.