Green Cell ULTRA KI04 (HP90ULTRA) is a replacement laptop battery specified for selected HP Pavilion models in the 14-AB, 15-AB, 15-AK and 17-G series. It is intended to provide portable power for compatible laptops.
The battery has a 3400 mAh capacity and a stated voltage of 14.4 V / 14.8 V. Its four lithium-ion cells are listed as made by Panasonic. This gives the battery its defined electrical format and cell construction.
The product listing also specifies overcharge and deep-discharge protection. These protections are part of the battery’s stated design. The listed compatibility includes the Pavilion series above; no other laptop models are confirmed here.