【Poweful Output】The premium and complete solar panel kit daily output generate 3.2kwh per day under 4 hours full sunshine. Suitable for fan,lights, TV, small refrigerator, etc..【Bifacial solar panels】Bifacial solar panels are designed with a transparent back of 12BB solar cells, the back panel uses composite materials, the light transmittance up to 91.5%, the conversion rate of 23%, the power generation is 858Wh per day under ideal conditions, compared to traditional solar panels, the power can up to 33%..【60A Controller & 2000W 12V Inverter】 The 60A Solar Charger Controller and Updated Power Inverter are compatible with various battery types such as AGM, GEL and lithium-ion. It protects your battery from overcharge, overdischarged, overheat and short circuit. Faster and more sensitive reaction; Perfect electrical protection function; Aluminum alloy housing, not rust, heat-resisting, cold-resistant as well as anti-corrosion..【Updated 10+ Years' life Batteries】Lithium battery has a built-in Battery Management System (BMS) that can protect it from overcharging, deep discharge, overload, overheating and short circuit, and low self-discharge rate. More suitable for 12V solar kit, less wires, less heat loss and less balance issue..【Warranty】 1 year warranty and 24/7 technical support team, call ECO-WORTHY hotline for any question or concern you have.