JA Solar DeepBlue 4.0 620W Bifacial Solar Panel featuring N-type TOPCon cell technology, dual-glass bifacial design, and up to 22.9%–23.0% efficiency. Built for high energy output, long-term durability, and excellent performance for residential, commercial, and industrial solar installations. Model: JAM66D45-620/LB. Approx. size: 2382 x 1134 x 30 mm, weight ~33 kg. Includes 12-year product warranty and 30-year linear performance warranty. Volume discounts available for bulk orders. Shipping available to Lagos, Abuja, Port Harcourt, and other locations across Nigeria. Optional installation support available on request.
