Sierra Wireless Airlink LS300, GX400,GX440 Device AC Wall Charger - 12VDC Adapter - 2700384 SIERRA WIRELESS AC-12V DC adapter for RV50 ES450 LS300, GX400, GX440 GX450 MP70 Power Input: 110-240V AC - Output 12V DC This is a wall charger only New Part # 2000579