This battery can be used in these models:

SONY
Sony Cyber-shot DSC-H Series
DSC-H20, DSC-H3, DSC-H3/B, DSC-H55, DSC-H7, DSC-H70, 
DSC-H7/B, DSC-H9, DSC-H9/B

Sony Cyber-shot DSC-HX Series
Sony DSC-HX5B, Sony DSC-HX5V, Sony DSC-HX7V,

Sony Cyber-shot DSC-N Series
DSC-N1, DSC-N2

Sony Cyber-shot DSC-T Series
DSC-T100, DSC-T100/B, DSC-T100/R, DSC-T100S, 
DSC-T20, DSC-T20/B,DSC-T20/P, DSC-T20/W

Sony Cyber-shot DSC-TX Series
Sony DSC-TX10, Sony DSC-TX100V

Sony Cyber-shot DSC-W100 Series
DSC-W100, DSC-W100B, DSC-W100S, DSC-W110, 
DSC-W115, DSC-W120, DSC-W120/B, DSC-W120/L, 
DSC-W120/P, DSC-W125, DSC-W130, DSC-W130/B,
DSC-W130/P, DSC-W150, DSC-W150/B, DSC-W150/N, 
DSC-W150/R, DSC-W170, DSC-W170/B, DSC-W170/N, DSC-W170/R

SonyCyber-shot  DSC-W200 Series
DSC-W200, DSC-W210, DSC-W215, DSC-W220, 
DSC-W230, DSC-W270, DSC-W275, DSC-W290

Sony Cyber-shot DSC-W30 Series
DSC-W30, DSC-W300, DSC-W30L, DSC-W30S, DSC-W30W, DSC-W35

Sony Cyber-shot DSC-W40 Series
DSC-W40

Sony Cyber-shot DSC-W50 Series
DSC-W50, DSC-W50B, DSC-W50S, DSC-W55,
DSC-W55/B, DSC-W55/L, DSC-W55/P

Sony Cyber-shot DSC-W70 Series
DSC-W70, DSC-W70B, DSC-W70S

Sony Cyber-shot DSC-W80 Series
DSC-W80, DSC-W80/B, DSC-W80/P, DSC-W80/W, 
DSC-W80S, DSC-W85

Sony Cyber-shot DSC-W90 Series
DSC-W90, DSC-W90/B, DSC-W90S

Sony Cyber-shot DSC-WX1 Series
DSC-WX1, DSC-WX1B, DSC-WX1N, DSC-WX1S, DSC-WX7

This battery can be used to replace these batteries:
SONY: NP-BG1, NP-FG1, DB-BG1

Specifications: 
Product Type: Spare Battery Pack
Battery Type: Li-ion
Capacity: 960mAh / 3.4Wh
Volt: 3.6 V

Wholesale discount also available