NP-BK1 Battery Charger for Sony Cyber-Shot DSC-W370 DSC-W190 DSC-W180 Camera NEW This battery charger is an AC wall and DC car two in one charger. Charger indication Green lights for standby, Red is for charging. Which can prevent the overcharge and overdischarge. Its unique flat pin design allows easy storage and makes it a compact battery charger. Note it is an external battery charger only, not working as power cable or AC adapter. 30 Days Money Back Guarantee / 12-month worry free warranty for our product. Please contact us with any questions or concerns.