Solar System Components
Beyond panels and batteries, we carry the critical hardware that makes systems safe, reliable, and easy to service. Product photos and expanded specs are being added.
Core Systems
Main conversion and charging equipment for off-grid and mobile setups.
MPPT Solar Controllers
Maximizes energy harvest from your panels by tracking the optimal power point. Up to 30% more efficient than PWM. We carry Victron and EPEVER Tracer models from 20A to 80A.
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Inverters
Converts 12V/24V/48V DC battery power to 120V AC for appliances. We stock pure sine wave inverters from 200W to 2000W — Renogy, Magnum, and EPEVER brands.
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DC/DC Chargers
Charges a house battery from your vehicle alternator without overloading it. Ideal for van builds and RV lithium conversions. Renogy 20A and 40A models in stock.
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Battery Chargers (12V, 24V, 36V, 48V)
Smart AC-powered chargers for all battery chemistries at every voltage. We carry waterproof models for 12V through 48V systems and a universal 6V/12V/24V smart charger.
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Shunts
Precision current sensors that let your battery monitor track real amps in and out. The Victron SmartShunt 300A pairs with Bluetooth for phone-based monitoring.
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Battery Monitors (Shunt Displays, Bluetooth Options)
Shows real-time state of charge, voltage, current, and estimated runtime. Essential for lithium systems where resting voltage is a poor proxy for charge level.
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MPPT Remote Displays/Comms Cables (VE.Direct/CAN/RS485)
Add a remote display panel or connect your MPPT controller to a monitoring system via VE.Direct, CAN, or RS485 data cables.
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Alternator Protection for DC/DC Setups
Prevents lithium batteries from pulling too much current through older alternators during fast charging. Required for most vehicle lithium upgrades without a DC/DC charger.
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Pre-Charge Resistors/Circuits
Safely limits inrush current when first connecting large capacitive loads like inverters. Prevents BMS trips and connector welding on initial power-up.
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AC Transfer Boxes
Automatically or manually switches between shore power (grid) and inverter output. Keeps your AC loads running without manually rewiring during power transitions.
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Installation Hardware
Mounting, wiring, and connection parts used in complete installs.
Wire
We stock THHN, marine-grade, and welding cable in various gauges for battery banks, solar runs, and AC connections. Cut to length in-store.
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PV Wire (10 AWG/8 AWG)
UV-resistant, dual-insulated photovoltaic wire rated for outdoor solar panel runs. Available in 10 AWG and 8 AWG for roof and ground mount arrays.
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Battery Cable Lugs/Heat-Shrink
Copper lugs for 1/4" through 1/2" bolts, plus marine-grade adhesive-lined heat shrink for weatherproof terminations. We hydraulically crimp cables in-store.
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Solar Rail Kits
Aluminum extrusion rail systems for attaching solar panels to roofs, trailers, and ground frames. Includes rail, end caps, and splice bars.
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Roof Mounts (Z-Brackets, Tilt Mounts, Mid/End Clamps, Flashing)
Fixed and adjustable mounting hardware for flat roofs, pitched roofs, and RV tops. Z-brackets for flush mounting, tilt legs for optimal angle, flashing for waterproof penetrations.
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Cable Entry Gland Boxes
Weatherproof cable entry points for routing solar wires through an RV roof or wall. Multiple cable entry slots with individual rubber seals.
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Distribution Bars
Copper or tin-plated busbars for cleanly distributing power to multiple circuits from a single battery terminal. Available in various hole counts and amperage ratings.
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Combiner Boxes
Combines multiple solar string inputs into a single output run to the charge controller. Often includes string fuses or breakers for array-side protection.
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MC4 Connectors
Industry-standard weatherproof connectors for connecting solar panels in series or parallel. Compatible with all standard PV panel output leads.
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MC4 Branch Connectors (Y-Connectors)
T or Y adapters that allow two panel strings to be combined in parallel at the array, reducing home-run wiring and simplifying layout.
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Ferrules, Crimp Terminals & Crimp Tools
End-sleeve ferrules prevent strand fraying on stranded wire entering screw terminals. Essential for safe charge controller and inverter wiring. Matching crimp tools available.
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Safety & Protection
Protection and isolation components for code-compliant, serviceable systems.
Breakers
Resettable overcurrent protection for DC battery circuits and AC output. We stock DC-rated breakers for 12V/24V/48V systems and AC breakers for inverter output protection.
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DC-Rated Breakers for PV Strings
Breakers specifically rated for DC photovoltaic applications. Standard AC breakers are not safe for DC solar circuits — proper DC arc-interruption rating is required.
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Solar Disconnect Switches (PV Array and Battery Side)
Allows safe isolation of the solar array or battery bank during service, emergencies, or storage. Required for any properly designed off-grid system.
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Switches
Battery main switches, rotary isolators, and toggle switches for controlling DC circuits. Available in ratings from small accessory circuits up to 300A battery disconnects.
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Fuses
We stock blade fuses, MIDI fuses, Class-T, and ANL fuses for protecting battery cables and high-current circuits. The right fuse size depends on your wire gauge and load.
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Inline MC4 Fuses
Fuses that install directly in your MC4 panel leads to protect strings from reverse current and shorts. Required by code in many parallel array configurations.
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DC Fuse Panels
Multi-circuit fuse distribution blocks for cleanly wiring multiple DC loads from a single battery source. Common in RV, van, and cabin builds.
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Fuse Holders (Class-T/ANL)
Heavy-duty fuse holders for Class-T and ANL fuses used on main battery cables. Should be installed within 18 inches of the positive battery terminal.
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Surge Protection Devices (SPD) for DC and AC Sides
Protects sensitive electronics from voltage spikes caused by lightning or grid transients. Install on both the DC (solar/battery) side and AC (inverter output) side.
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Busbar Covers and Terminal Boots
Insulating covers for exposed busbars and large terminal connections. Prevents accidental shorts and is required for any system accessible by non-technical users.
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Grounding Hardware
Grounding lugs, straps, and ground rods for properly earthing your solar array frame, combiner box, and charge controller chassis. Critical for safety and surge protection.
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Need Something Specific?
Tell us your battery voltage, inverter size, and panel goals, and we can help you choose the right parts.