DSTE 2x NB-1L Replacement Li-ion Battery for Canon IXY Digital 200a 300 300a 450 500 S230 S330 PowerShot S300 S400 S410 S500 Camera as NB-1LH Battery Type : Li-ion Battery Capacity : 5.9Wh/1600mAh 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.