Replacement 3.6V 700mAh Ni-MH Battery for GE 27920 � New, High-Capacity Power Source. Restore your device's run-time with this reliable Ni-MH battery, offering 700mAh capacity (2.52Wh) and precise dimensions of 45.90 x 31.20 x 10.70mm for a perfect fit. Compatible with GE 27920 and other models listed in the search results.