Amazon.com: Powerextra Battery for NB-11L NB-11LH Battery Compatible with Canon PowerShot Elph 110 Elph 130 Elph 135 is Elph 140 is Elph 160 Elph 170 is Elph 320 HS, Elph 340 HS
VIVITAR VIV-CB-11LH Li-On Battery and Battery Charger for Canon NB-11L/NB- 11LH (Canon Powershot SX410 IS, SX400 IS, ELPH 170 IS, 340 HS 320) - Walmart.com
Canon NB-11LH Lithium-Ion Battery Pack (3.6V, 800mAh) – Auckland Camera Centre