Price of a 2-in-1 Photovoltaic Combiner Box

A 2-in-1-out PV combiner box typically costs between $50 and $150, depending on voltage rating, protection features, and supplier.

Overview

A 2-in-1-out photovoltaic combiner box is designed to combine the outputs of two solar panel strings into a single output, simplifying wiring and improving system efficiency. These boxes often include overcurrent protection, surge protection, and lightning protection, and are suitable for residential, commercial, or off-grid solar systems. Price RangeAliExpress: Offers a wide range of 2-in-1-out combiner boxes, often priced from $50 to $120, with discounts during sales events and options for free shipping.

Power Home: Lists 2-in-1-out combiner boxes with IP65 protection, 1000V max voltage, and 30A output, typically in the $80–$150 range depending on features like built-in DC switches and monitoring capabilities. Etek Solar: The EKDBS-PV2/2-IFS-600 model, a 600V DC 2-in-2-out combiner box, is a professional-grade option for specialized installations, likely priced around $100–$140, though exact pricing may require contacting the supplier.

Factors Affecting Price

Voltage and Current Ratings: Higher voltage (up to 1000V) and higher current capacity increase cost. Protection Features: Integrated surge, lightning, and overcurrent protection add to the price. Material and Durability: IP65-rated enclosures and flame-retardant materials are more expensive.

Supplier and Shipping: Prices vary between online marketplaces, local distributors, and international shipping costs.

Recommendation

For a residential or small commercial solar system, a 2-in-1-out combiner box in the $70–$120 range is generally sufficient. For specialized or high-voltage applications, consider professional-grade models with advanced protection features, which may cost up to $150 or more. You can check AliExpress, Amazon, Power Home, or Etek Solar for current listings and shipping options to your location.