【High-efficiency】250W solar panel with high-efficiency 64 cells. Delivers 1275Wh electricity per day (depending on sun availability).Bypass diodes minimize power drop caused by shade, ensuring excellent performance in low-light environments. 【Easy Installation 】Featuring pre-drilled holes, this solar panel facilitates quick and secure mounting. Expandable to 500W, 750W, or 1000W with ACOPOWER Solar Panel Connector Y Branch Adapter (B08BR7R64C). 【Class A Solar Cells】Uses crack-free Class A cells, providing reliable power in low-light conditions. EL-tested solar panels. Backed by a 5-year workmanship warranty and 25-year limited warranty for power output. 【Reliable & Durable】Positive output tolerance (0-3%). Withstands high winds (2400Pa) and snow loads (5400Pa). Corrosion-resistant aluminum frame ensures long-term outdoor use. Features anti-reflective, high-transparency, low-iron tempered glass. IP65-rated junction box protects against environmental particles and low-pressure water jets. 【Versatility】Suitable for RV, caravan, marine, camper, electric scooter, golf cart, tool trailer, backup power, and more. Compatible with both on-grid and off-grid inverters. ACOPOWER 250Watt 12V Monocrystalline Solar Panel with Solar Connector is the key component to a system when going solar Off -Grid system. These panels are relatively compact and are a breeze to set up. Whether you are going camping in the mountains or taking a trip to the beach, this panel can be a great start to your off-grid system! This panel has several uses including marine, dry camp, RVS and other off-grid applications. ACOPOWER Provides cost-effective solar panels and Free Professional Engineering Services. Built-in Components 250 watt monocrystalline solar panel Panel leads (pair): 3 feet each IP65 rated waterproof junction box IP67 rated waterproof PV connectors Bypass diodes built-in the junction box Specifications Maximum Power(Pmax): 250W Maximum Power Voltage(Vmp): 18.9V Maximum Power Current(Imp): 13.2A Open Circuit Voltage(Voc): 22.8V Short Circuit Current(Isc): 13.7A Maximum System Voltage(Vmax): 1000VDC Temperature Range: -40°C ~ 90°C Max Series Fuse Rating: 20A Weight: 26.9 lbs Dimensions: 68 x 30 x 1.2 in