NB-5L Battery for Canon PowerShot S110 / SD900 / S100 / SX220 HS / SX230 HS / SX210 IS / SD990 IS / SD970 IS / SD890 IS / SD880 (1150mAh, 3.6V - 3.7V) Lithium-Ion battery Cellonic (Electronics )
She would like as well as the original canon battery, but much cheaper, I recommend it, excellent product, which is also his job as cannon battery.