Welcome to the beta release of Power Part Picker

Solar · home backup · off-grid · portable

Plan a power system that works together

AI-powered planning for batteries, solar panels, inverters, and more.

  • Compatibility guidance is built into every build.
  • No account required.
  • Share builds with a link.

A better way to choose parts

Build around your actual needs, then make decisions with the full system in view.

Catch mismatches early

See compatibility guidance as you select components, before a costly purchase.

Keep the details together

Compare specs, quantities, and prices in one practical build list.

Share a clear plan

Save your build and send it to a partner, installer, or the community for feedback.

From idea to a build you can use

One connected workflow keeps the next decision simple.

  1. Step 1

    Start a build

    Set the goal for your system and add the parts you already know you need.

  2. Step 2

    Check compatibility

    Review the connections and requirements between the parts in your build.

  3. Step 3

    Choose where to buy

    Compare compatible options, prices, and quantities before you make a purchase.

  4. Step 4

    Save and share

    Keep refining your build or share it with an installer, friend, or the community.

Popular in real builds

Parts people are actually choosing in saved builds across the platform.

20 ft 10 AWG Solar Extension Cable Pair with MC4
PV cable
4.71(164 reviews)

20 ft 10 AWG Solar Extension Cable Pair with MC4

Conductor Count: 2
Length Ft: 20
Length M: 6.096
50ft 10 AWG Copper PV Wire
PV cable

50ft 10 AWG Copper PV Wire

Length Ft: 50
Conductor Count: 2
Wire Gauge Awg: 10
32 Amp DC1200V Solar Disconnect Switch Isolator Switch PV Panel Disconnect Solar System Combiner Box Accessory DIN Rail Mount and Lockable
Breakers & fuses

32 Amp DC1200V Solar Disconnect Switch Isolator Switch PV Panel Disconnect Solar System Combiner Box Accessory DIN Rail Mount and Lockable

Compatible Voltage Volts: 1200
Kit Components: []
Listing Type: single_unit
EG4 | 12000XP Off-Grid Inverter | V2 | USA Built
Off-grid inverters

EG4 | 12000XP Off-Grid Inverter | V2 | USA Built

Continuous Output Power Watts: 12000
Nominal Battery Voltage Volts: 48
Split Phase: True
$1,899.99

$158/kW

View details

Start with the parts you know

You do not need every answer up front. Add a part, check the fit, and build from there.