Sony Cyber-shot DSC-HX20V Digital Camera Battery Lithium-Ion (3.7v, 1200mAh) - Replacement for Sony NP-BG1, NP-FG1
SDNPBG1 Rechargeable Lithium-Ion Battery Pack - Ultra High Capacity (3.7v 1200mAh) Replacement for Sony NP-BG1 & NP-FG1 Batteries