Electrolux Pronto 2-In-1 Stick/Hand Vacuum - Cayenne "replace batteries ergorapido" Questions

...replace the 4 original EMX1600sS batteries . The battery model is Tenergy 2/3A Size Rechargeable Battery 1.2V 1600mAh NiMH W/ Tabs Those are a little smaller than the originals but with the same ...