DSTE&reg; 3x NB-6L Battery + DC23 Travel and Car Charger Adapter for Canon SX170 SX500 S120 SD3500 SD4000 IS SX275 SX510 SX600 SX610 SX710 HS D10 D20 ELPH 500 HS Cameras as CB-2LY Battery Type: Li-ion DC 4.2V(max) DC 3.6V(mean) Battery Capacity : 6.3Wh/1700mAh Info Function for Life Indication A 12V Car Lighter Adapter Convenient for Journey Travel Charger Input: AC 100-240V 50/60Hz Output: 4.2V 0.6A