DSTE 2x NB-5L Replacement Li-ion Battery for Canon PowerShot S100 S110 SD880 SD890 SD900 SD950 SD970 SD990 SX220 IS SX230 HS Camera Battery Type : Li-ion Battery Capacity : 5.5Wh/1500mAh Output Voltage : DC 4.2V (max)/ DC 3.6V (mean) Info Function for Life Indication High Capacity for Stamina Full coded version, show battery level in camera screen. No memory effect, can be charged or dischargered at anytime. Perform as good or better than the top branded batteries on the market.