Marine Solar Panels, Complete Solar Kits, and Lithium Batteries
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Custom Marine Products provides all the electrical components needed to install a complete solar system including PWM controllers and MPPT controllers listed on other pages.
Note we carry wire with MC4 connectors already installed in 50 foot and 60 foot sections.
Complete marine solar system wiring diagram
Complete Solar System
#10 (or #8) AWG Marine Grade PV Wire
​#10 (or #8) AWG Marine Grade PV Wire
​MC4 Solar Line Connectors
​MC4 Solar Line Connectors
MC4 T-branch Connectors 2 to 1
MC4 T-branch Connectors 3 to 1
MC4 T-branch Connectors

​#10 (#8 too, call us) AWG Marine Grade PV Wire

​#10 AWG Marine Grade PV Wire on a spool
​The proper wire from the solar panels to the controller and the controller to the batteries is important to minimize voltage drop and thus obtain maximum performance from your solar panel.  Our wire is made for the marine environment and will provide optimal power throughput with minimal voltage drop.  We will install MC4 connectors on the wire so no special tools will be required for installation.
Conductor: Stranded Tined Copper (84 Strands)
Insulation: Halogen free cross linked polyolefin
Sheath: Halogen free cross linked polyolefin

Nominal Cross-Section: 6mm²
Rated Temperature: -40~﹢90℃
Rated Voltage: DC:1.8kV --AC:0.6/1kV
Finished cable O.D. 6.37 ±0.1mm
Conductor resistance(20℃):≤3.39Ω /km
Rated Current: 25~32A
Weathering Resistance: UV

Burning Behavior: (IEC60332-1)

Price Per Foot
#10 AWG Marine Grade PV Solar Wire
$
1.30    
 
 

Conductor: Stranded Tinned Copper (84 Strands)

Insulation: Halogen free cross linked polyolefin

Sheath: Halogen free cross linked polyolefin

Wire Diameter: .25 inches with sheath

Wire is single conductor

Price per Foot


​MC4 Solar Line Connectors

Picture
Our solar panels are factory wired with one meter long pigtails and waterproof  MC4 solar connectors.  Thus, you will need a pair of connectors to connect the wire to the solar panel.  Upon request, we will install the connectors to the wire ordered so no tools will be required.
​Rated voltage: DC 1000V
Junction temperature current:16A
Contact resistance:<0.3mΩ
Safety class: class Ⅱ
Waterproof grade: IP 65
Temperature range :-40℃~+85℃
Cable standard: 2.5/4/6mm²
Flame retardant grade: UL94-V0
Insulation material: PPO
Composite contact material: Copper, Tin Plated
MC4 Compatible Line Connectors
One male and one female connector for standard solar wire.  Can be pre-installed on the wire ordered upon request.

Price per pair
$
5.00    

MC4 T-branch Connectors

MC4 T-branch connectors are used to wire multiple panels in parallel.  We offer 2-1, 3-1 and 4-1 T-branch connectors.  With these waterproof connectors, it is easy to plug the panels together with no special wiring, junction boxes or tools. 
MC4 Compatible 2-1 T-branch Connector Set
Used when connecting two solar panels to a controller
Rated voltage: DC 1000V
Waterproof grade: IP 65            
Cable standard: 2.5/4/6mm²    
Temperature range:-40℃~+85℃
Flame retardant grade: UL94-V0​
Composite contact material: Copper, Tin Plated
Price per pair
$
19.00    
 
MC4 Compatible 3-1 T-branch Connector Set
Used when connecting three solar panels to a controller
Rated voltage: DC 1000V
Waterproof grade: IP 65             
Cable standard: 2.5/4/6mm²      
Temperature range:-40℃~+85℃
Flame retardant grade: UL94-V0
Composite contact material: Copper, Tin Plated
Price per pair
$
23.00    
 
MC4 Compatible 4-1 T-branch Connector Set
Used when connecting three solar panels to a controller
Rated voltage: DC 1000V
Waterproof grade: IP 65             
Cable standard: 2.5/4/6mm²      
Temperature range:-40℃~+85℃
Flame retardant grade: UL94-V0
Composite contact material: Copper, Tin Plated
Price per pair
$
28.00    
 
Click to see:    Home Page     PWM Controllers   MPPT Controllers    Product Page     Panel Mounts    Solar Panels   Contact Us
Efficiently and Sustainably Powering Your Boat. Call us any time, we're happy to help you work through designing your boat's solar system.
Call 248 705-8337, 773 965-2546 or email info@custommarineproducts.com

Link To Our Article On How To Size Your Solar Panels For Your Boat
  • Home
  • Products
    • Marine Solar Panels >
      • Semi-Flexible Marine Solar Panels
      • Semi-Rigid Walk On Marine Solar Panels
      • Rigid Marine Solar Panels
      • Portable Solar Panels
    • Solar Controllers >
      • MPPT DuoRacer Dual Output Series
      • MPPT Tracer Series
      • MPPT Victron Smart Solar Series
      • MPPT Xtra-N Series
      • PWM Duo Dual Output Controller
      • Electrical Components
    • Kits - Solar System Kits >
      • Flexible Solar Panel Kits
      • Semi-rigid Solar Panel Kits
      • Rigid Solar Panel Kits
      • Auxiliary Solar Panel Kit
    • Mounting Systems >
      • Flexible Panel Mounting Systems
      • Semi-rigid Panel Mounting System
      • Rigid Panel Mounting System - Top OF Pole
    • Lithium Marine Batteries
    • Inverters
    • Outboard Motor Lifting Crane
    • Solar Water Heating System For Boats
    • 12/24 Volt DC Refrigerator/Freezer
    • Visit Our Store
  • Reviews & Installation Pics
    • Reviews/Customer Comments
    • Gallery of Installations
  • Blog
  • Support
    • Manuals & Info
    • Contact Us
    • Solar System Installers
    • Battery Exchange Plus
    • Recommended Products
    • About us
    • Call (248) 705-8337
    • Return Policy
    • Marine Solar Panel Sizing Calculator Tool