Compatibility: Compatible with eufy Robot Lawn Mower E15 and E18. Please ensure your model is compatible before purchasing. Product Specs: 100-240V 50-60Hz input, 29V 0.9A OVP, OCP, SCP output. Quality Assurance: Our products have undergone rigorous testing to guarantee product quality, so you can use them with confidence. Exceptional Waterproofing: Features an IPX6 waterproof rating. Use Official Accessories: Authentic eufy accessories extend the lifespan of your robot lawn mower and come with official after-sales support.