Going Off-Grid

The gear I use

Everything that's gone into my system — plus the products I've tested along the way — with where to buy it and the video where you can see it in action.

Some links on this site are affiliate links. If you buy through them I get a small commission, at no extra cost to you. It helps keep the videos coming.

Inverters

Victron 48V MultiPlus-II 5kVA 120V Inverter

Victron 48V MultiPlus-II 5kVA 120V Inverter

Standby system (Victron)

48V inverter/charger with a built-in transfer switch. Runs the house from the batteries, charges them from the grid or a generator, and can be stacked for split-phase or more power.

See it in a video
EG4 6000XP Inverter/Charger 120/240V AC; 6000W Output 9000W Solar

EG4 6000XP Inverter/Charger 120/240V AC; 6000W Output 9000W Solar

Portable power cart

All-in-one off-grid inverter with native 120/240V split-phase output, so a single unit can run 240V loads like a well pump or dryer.

Watch my review
NHX-10 Split-Phase Hybrid Inverter

NHX-10 Split-Phase Hybrid Inverter

Outdoor-rated, UL-listed hybrid inverter with 120/240V output and grid-interactive operation. Four PV inputs up to 500V make it easy to run several array orientations.

Watch my review
MidNite Solar TheOne

MidNite Solar TheOne

Primary system

11.4kW Hybrid All-In-One Inverter

120/240V AC; 15,000W Max PV Input Power

11.4kW hybrid all-in-one inverter with 120/240V output and up to 15kW of solar input — a big, whole-home system in one enclosure.

Watch my review
Victron 10kVA 120/240V Off-Grid Power System

Victron 10kVA 120/240V Off-Grid Power System

Standby system (Victron)

Current Connected's split-phase package built around two MultiPlus-II 5kVA inverters. Paired together they give 120/240V for the whole house, and this is the core of my setup.

See it in a video

Batteries & BMS

3.2V 280Ah LiFePO4 Cells

3.2V 280Ah LiFePO4 Cells

Battery bank

Large prismatic lithium iron phosphate cells. Sixteen in series make a 48V (51.2V) battery of about 14kWh — the cheapest way to build serious storage yourself.

See it in a video
JK 16S 200A Smart BMS (B2A24S20P)

JK 16S 200A Smart BMS (B2A24S20P)

Battery bank

Battery management system for a DIY LiFePO4 pack. Protects the cells from over/under-voltage, over-current and temperature, and actively balances them at up to 2A. Set up and monitored over Bluetooth.

See it in a video
Orient Power 51.2V 230Ah Server-Rack Battery

Orient Power 51.2V 230Ah Server-Rack Battery

Battery bank

About 11.8kWh of ready-made LiFePO4 storage in a rack-mount case with its own BMS. No cell building required — slide it in and wire it up.

Watch my review
Vatrer 48V 100Ah Self-Heating Server-Rack Battery

Vatrer 48V 100Ah Self-Heating Server-Rack Battery

Battery bank

51.2V LiFePO4 rack battery with a built-in 100A BMS, touchscreen display and self-heating for charging in cold weather. I added it when I expanded my battery bank.

Watch my review
Vatrer 4U Battery Cabinet

Vatrer 4U Battery Cabinet

Battery bank

Rolling 4-shelf server-rack cabinet sized for rack batteries, with ventilation and locking casters.

Watch my review
TechCella 48V 100Ah Server-Rack Battery

TechCella 48V 100Ah Server-Rack Battery

Battery bank

51.2V LiFePO4 rack battery with a 100A BMS, inverter communication and a built-in display. The cheapest rack battery I've tested.

Watch my review
WattCycle 48V 100Ah V2 Server-Rack Battery

WattCycle 48V 100Ah V2 Server-Rack Battery

Battery bank

Rack battery with Bluetooth monitoring. In my testing, both units beat their rated 100Ah, and the BMS protections worked as advertised.

Watch my review
EVE 280Ah LiFePO4 Cells

EVE 280Ah LiFePO4 Cells

Large prismatic LiFePO4 cells from EVE, a well-known manufacturer. These make up the battery pack.

See it in a video

Solar panels

SolarEver 455W Panels

SolarEver 455W Panels

Solar arrays

High-output monocrystalline panels. More watts per panel means fewer panels, rails and connections for the same array size.

See it in a video
Renogy 100W Panels

Renogy 100W Panels

Solar arrays

Compact 12V monocrystalline panels — good for small systems, sheds, RVs and portable setups.

See it in a video
Used SanTan Solar 250W Panels

Used SanTan Solar 250W Panels

Solar arrays

Used panels pulled from commercial arrays and tested for resale. A very low cost per watt if you have the room to mount a few extra.

See it in a video

Charge controllers & chargers

Victron MPPT RS 450V/100A SmartSolar Charge Controller

Victron MPPT RS 450V/100A SmartSolar Charge Controller

Standby system (Victron)

High-voltage MPPT solar charge controller for 48V batteries. Accepts PV strings up to 450V and charges at up to 100A, with Bluetooth and VE.Can for monitoring.

Watch my review
Victron Blue Smart IP65 12V 10A Charger

Victron Blue Smart IP65 12V 10A Charger

Weatherproof AC charger for topping up the battery from a wall outlet, with Bluetooth monitoring.

Racking & mounting

IntegraRack IR-D1 Deck-Mount Brackets

IntegraRack IR-D1 Deck-Mount Brackets

Solar arrays

Self-sealing brackets that mount rails straight to a metal roof's deck, with no clamps to seams needed.

See it in a video
IronRidge XR100 Rails (14′)

IronRidge XR100 Rails (14′)

Solar arrays

Aluminum mounting rails that the panels clamp to. The XR100 handles residential roof spans with a lot of strength to spare.

See it in a video

Protection & safety

Tigo TS4-A-F Rapid Shutdown Module

Tigo TS4-A-F Rapid Shutdown Module

Solar arrays

Mounts under each panel and drops the array to a safe voltage when the rapid-shutdown signal stops — what code now requires for roof arrays.

See it in a video
Tigo RSS Transmitter (Single Core)

Tigo RSS Transmitter (Single Core)

Solar arrays

Sends the keep-alive signal to the Tigo modules. Cutting its power — or pressing the shutdown button — shuts the array down.

See it in a video
125A 2-Pole DC Breaker (1000V)

125A 2-Pole DC Breaker (1000V)

DC-rated DIN-rail breaker used as a disconnect and over-current protection between the batteries, charge controller and inverter.

See it in a video
32A 2-Pole DC Breaker (1000V)

32A 2-Pole DC Breaker (1000V)

DC-rated DIN-rail breaker sized for solar strings — a safe way to disconnect and protect each PV input.

See it in a video
300A Class T Fuse with Block

300A Class T Fuse with Block

Class T fuses can safely interrupt the huge short-circuit current a lithium battery can deliver. This one goes right at the battery's positive terminal.

See it in a video
200A Class T Fuse with Block

200A Class T Fuse with Block

Same high-interrupt protection as the 300A version, sized for smaller banks or individual battery strings.

See it in a video
Chtaixi 25A 2-Pole DC Breaker (1000V)

Chtaixi 25A 2-Pole DC Breaker (1000V)

Solar arrays

DIN-rail DC breaker used as the per-string disconnect inside my PV junction box.

See it in a video
2-Pole DC Surge Protection Device

2-Pole DC Surge Protection Device

Solar arrays

DIN-rail surge arrester that shunts lightning-induced spikes on the PV lines to ground before they reach the charge controllers.

See it in a video

MidNite Solar Surge Protection Device (SPD)

MidNite's surge protector for PV, DC or AC circuits, with an indicator that shows when it has taken a hit.

See it in a video

Siemens 60A 2-Pole Non-Fusible Safety Switch

Outdoor-rated 240V disconnect that gives you a visible, lockable way to isolate a circuit.

See it in a video

Bus bars & distribution

Victron Lynx Class-T Power In (M10)

Battery bank

A Lynx bus bar with Class-T fuse holders built in, so each battery gets proper high-interrupt protection right at the bus. This is what I used to expand my battery bank.

See it in a video
Victron Lynx Power In – Power Distribution System 1000 Amps

Victron Lynx Power In – Power Distribution System 1000 Amps

Standby system (Victron)

1000A modular bus bar that joins multiple batteries to a common positive and negative, with LED indicators. Bolts directly to other Lynx modules.

See it in a video
Victron Lynx Distributor – Power Distribution System 1000 Amps

Victron Lynx Distributor – Power Distribution System 1000 Amps

Standby system (Victron)

1000A bus bar with four fused outputs (MEGA fuses) and blown-fuse indicators — a clean, protected way to feed inverters and chargers.

See it in a video
250 Amp Bus Bars

250 Amp Bus Bars

Common connection point for multiple cables on the positive or negative side, so you're not stacking lugs on a battery terminal.

See it in a video
300A Bus Bars

300A Bus Bars

Heavier-duty bus bars for joining several high-current cables at one point.

1/4″ Single-Stud Junction Posts

1/4″ Single-Stud Junction Posts

Insulated junction posts for joining a few cables or passing a connection through a panel.

See it in a video

Wire & connectors

2 AWG Tinned Copper Lugs (3/8″)

Tinned copper ring lugs for 2 AWG cable. The tin plating resists corrosion over time.

See it in a video

2/0 AWG Marine-Grade Ring Lugs with Heat Shrink

Heavy ring lugs for 2/0 battery cable, with adhesive heat shrink to seal each connection.

Wire Ferrule Kit (2–16 AWG)

Wire Ferrule Kit (2–16 AWG)

Crimp-on ferrules for stranded wire going into screw or clamp terminals. They keep strands from splaying and help the terminal hold tight.

See it in a video

BougeRV MC4 Connectors (22 Pairs, 10 AWG)

Waterproof MC4-style connectors for building and extending solar panel cables, with spanners for tightening and unlocking them.

See it in a video

Solar Panel Bolt-On Ground Lugs (5-Pack)

Bolt-on lugs for bonding panel frames and racking to the equipment ground.

See it in a video

Morris Insulated Multi-Cable Connector (2/0–6 AWG)

Insulated, three-port splice block. A tidy way to join or tap large conductors without a bus bar.

See it in a video
Dinkle DIN-Rail Terminal Block Kit

Dinkle DIN-Rail Terminal Block Kit

Screw-down terminal blocks that snap onto DIN rail, for neat landing points inside an enclosure.

See it in a video
Slotted Aluminum DIN Rail (12″, 2-Pack)

Slotted Aluminum DIN Rail (12″, 2-Pack)

Mounting rail for breakers, terminal blocks and surge protectors.

See it in a video
UL-Listed 10 AWG Wire Ferrules

UL-Listed 10 AWG Wire Ferrules

Ferrules sized for 10 AWG PV wire landing in breakers and terminal blocks.

See it in a video

2/0 AWG Welding Cable Kit (Red + Black)

Fine-strand, flexible pure copper cable for high-current battery and inverter runs. The kit includes lugs and heat shrink.

See it in a video

4 AWG THHN Wire (Black/White/Red) + 6 AWG Green

Building wire for the AC side: hots, neutral and ground pulled through conduit between the inverter, transfer switch and panel.

See it in a video

TEMCo 2 AWG Welding Cable (20′ Red + 20′ Black)

Made-in-USA, fine-strand 2 AWG cable for battery and DC connections that need to bend easily.

See it in a video

TEMCo 12 AWG PV Wire (100′)

UV-resistant, made-in-USA solar cable for running panel strings to the charge controller.

See it in a video

4/0 AWG Welding Cable Kit (Red + Black)

Fine-strand 4/0 cable with lugs for high-current battery-to-bus runs.

See it in a video

WindyNation 10 AWG PV Wire (100′ Pair)

Red and black solar cable for running panel strings down from the roof.

See it in a video
1″ Liquid-Tight Conduit (100′)

1″ Liquid-Tight Conduit (100′)

Flexible, weatherproof conduit for protecting wire runs outdoors and between equipment.

See it in a video
Power Grommet (2 AC Outlets + 3 USB)

Power Grommet (2 AC Outlets + 3 USB)

Panel-mount outlets and USB ports, set into the lid for easy access.

See it in a video
Cloth Wiring Harness Tape

Cloth Wiring Harness Tape

Fabric tape for bundling and protecting the internal wiring, the way car manufacturers do it.

See it in a video
90° Flat-Plug Y Splitter

90° Flat-Plug Y Splitter

Low-profile splitter that gets two AC outlets from one inside a tight enclosure.

See it in a video

Enclosures & combiners

Watts247 4-to-2 PV Combiner Box

Watts247 4-to-2 PV Combiner Box

Solar arrays

Combines four PV strings into two outputs, with fusing for each string — a tidy way to bring several strings down to the charge controllers.

Watch my review
Awclub Clear-Cover Breaker Box

Awclub Clear-Cover Breaker Box

Enclosure for DIN-rail breakers, with a clear cover so you can see breaker positions without opening it.

See it in a video
Otdorpatio 12-Way Distribution Box

Otdorpatio 12-Way Distribution Box

Weather-resistant 12-position DIN-rail enclosure for housing PV and DC breakers.

See it in a video
8″ × 8″ × 72″ Wireway

8″ × 8″ × 72″ Wireway

Metal wiring gutter that runs along the wall and connects the equipment, giving conductors a protected path between devices.

See it in a video
4″ × 4″ × 48″ Wireway

4″ × 4″ × 48″ Wireway

Smaller wiring gutter for shorter runs and lower conductor counts.

Ridgid Pro Gear 2.0 Rolling Tool Box

Ridgid Pro Gear 2.0 Rolling Tool Box

Rugged rolling case that serves as the enclosure for the whole portable power station.

See it in a video

Monitoring

Victron Cerbo GX System Controller

Victron Cerbo GX System Controller

Standby system (Victron)

The brain of a Victron system. Connects inverters, chargers, shunts and batteries so they share data, and sends everything to Victron's free VRM portal for remote monitoring.

See it in a video
Solar Assistant (Orange Pi Unit)

Solar Assistant (Orange Pi Unit)

Primary system

A small computer that reads data from many popular inverters and batteries (EG4, MPP and others) and shows dashboards locally and remotely.

See it in a video
RS232 Cable for Solar Assistant (MPP/EG4)

RS232 Cable for Solar Assistant (MPP/EG4)

The communication cable that connects Solar Assistant to an MPP Solar or EG4 inverter.

See it in a video
Victron Lynx Shunt VE.Can – Power Distribution System 1000 Amp

Victron Lynx Shunt VE.Can – Power Distribution System 1000 Amp

Standby system (Victron)

1000A battery monitor in Lynx form with a slot for the main system fuse. Reports state of charge and current to the Cerbo GX.

See it in a video
Victron MK3-USB Interface

Victron MK3-USB Interface

Standby system (Victron)

Connects a MultiPlus or Quattro to a computer for configuration with VictronConnect or VEConfigure, and for firmware updates.

See it in a video
Victron VE.Direct to USB Cable

Victron VE.Direct to USB Cable

Links a Victron charge controller or SmartShunt to a USB port, on a computer or a GX device.

See it in a video
Victron Temperature Sensor

Victron Temperature Sensor

Plugs into a MultiPlus, Quattro or Cerbo GX to measure a temperature, whether that's battery temperature compensation or, in my case, monitoring my wood boiler.

See it in a video
Mopeka Pro+ LR Wireless Propane Monitor

Mopeka Pro+ LR Wireless Propane Monitor

Ultrasonic sensor that sticks to the bottom of a propane tank and reports the level over Bluetooth — it shows up right in the Victron VRM.

See it in a video
Mopeka Pro+ Remote Outdoor Antenna

Mopeka Pro+ Remote Outdoor Antenna

Extends the Mopeka's Bluetooth range when the tank is far from the receiver.

See it in a video

TP-Link UB400 Bluetooth USB Adapter

Adds a stronger Bluetooth radio to the Cerbo GX so it can pick up sensors like the Mopeka.

See it in a video

Waveshare USB to RS485 Converter

Lets Solar Assistant (or a computer) talk to inverters and batteries over RS485.

See it in a video
DROK 0–90V 300A Battery Monitor

DROK 0–90V 300A Battery Monitor

Shows voltage, current, power and remaining capacity using a Hall-effect sensor around the cable.

See it in a video

Home backup & generators

Eaton 100A Double-Throw Safety Switch

Eaton 100A Double-Throw Safety Switch

Manual transfer switch that selects between grid and inverter power, so the two can never be connected at the same time.

Micro-Air EasyStart ASY-368-X48

Micro-Air EasyStart ASY-368-X48

Primary system

Soft starter for central A/C and heat pumps. It cuts the compressor's startup surge so an inverter can start it without tripping.

See it in a video

Siemens ECSBPK04 Generator Interlock

Generator backup

Mechanical interlock for Siemens panels that makes it impossible to have the main breaker and generator breaker on at the same time — the safe way to backfeed a panel from a generator.

See it in a video

Generator Inlet Box + 15′ Cord

Generator backup

Outdoor power inlet and matching cord for plugging a generator into the house.

See it in a video

Siemens Q250 50A 2-Pole Breaker

Generator backup

The breaker the generator inlet feeds through, paired with the interlock.

See it in a video

50A Generator Cord (15′) with Power Inlet Box

Generator backup

Heavy-duty generator cord and matching pre-drilled inlet box for feeding a panel or backup system from a generator.

See it in a video

NEMA 14-50P to L14-30R Adapter Cord

Generator backup

Adapter that lets a 50A outlet or generator feed equipment with an L14-30 inlet.

See it in a video
Anker SOLIX E10

Anker SOLIX E10

Secondary system (E10)

The core of Anker's whole-home backup system: the power module (inverter) plus B6000 battery modules, which stack to add capacity. Mine runs a set of dedicated circuits.

Watch my review
Anker SOLIX Smart Inlet Box

Anker SOLIX Smart Inlet Box

Secondary system (E10)

Connects the E10 to the house panel through a dedicated inlet, so it can back up circuits during an outage — the simpler alternative to a Power Dock.

Watch my review
Anker SOLIX Smart Generator 5500

Anker SOLIX Smart Generator 5500

Secondary system (E10)

Inverter generator that can DC-charge the E10's batteries directly, for fast, fuel-efficient recharging when solar isn't enough.

Watch my review
Anker SOLIX Smart Generator DC Charging Cable (10m)

Anker SOLIX Smart Generator DC Charging Cable (10m)

Secondary system (E10)

Connects the Smart Generator 5500 to the E10 for direct DC charging.

See it in a video
BLUETTI EP800 + B500

BLUETTI EP800 + B500

Home battery system: the EP800 inverter with stackable B500 battery modules.

Watch my review

Power stations

BLUETTI FridgePower

BLUETTI FridgePower

Battery backup built specifically to keep a refrigerator running through an outage.

Watch my review

Tools & test gear

60V 5A Bench Power Supply

60V 5A Bench Power Supply

Adjustable bench supply for testing gear and for top-balancing new LiFePO4 cells before building a pack.

See it in a video
Hydraulic Knockout Punch Kit (1/2″–2″)

Hydraulic Knockout Punch Kit (1/2″–2″)

Punches clean, round holes in steel enclosures for conduit fittings — far easier than a step bit on thick boxes.

See it in a video
Hurricane 1000V Insulated Screwdriver Set

Hurricane 1000V Insulated Screwdriver Set

Insulated screwdrivers rated to 1000V for working around live terminals and breakers.

See it in a video
HKS Ratcheting Ferrule Crimper

HKS Ratcheting Ferrule Crimper

Ratcheting crimper for ferrules and small terminals. It won't release until the crimp is complete.

See it in a video
Kill A Watt EZ Electricity Usage Monitor

Kill A Watt EZ Electricity Usage Monitor

Plug-in meter that shows exactly how much power an appliance uses — handy for sizing a system.

See it in a video
Klein Tools CL380 Clamp Meter

Klein Tools CL380 Clamp Meter

Auto-ranging, true-RMS clamp meter up to 400A with a built-in non-contact voltage tester. Measures current without breaking the circuit.

See it in a video
Klein Tools Cut-Resistant Work Gloves (2-Pack)

Klein Tools Cut-Resistant Work Gloves (2-Pack)

Nitrile-dipped, cut-resistant gloves that still work with a phone screen. These are not rated as electrical insulating gloves.

See it in a video
VEVOR Digital Torque Screwdriver

VEVOR Digital Torque Screwdriver

Tightens breaker and terminal screws to the manufacturer's torque spec — loose connections are a leading cause of heat and failures.

See it in a video
ADS1013D Handheld Oscilloscope

ADS1013D Handheld Oscilloscope

Portable 2-channel, 100MHz scope for looking at waveforms, such as checking an inverter's AC output or switching noise.

InfiRay P2 Pro Thermal Camera

Tiny thermal camera that plugs into a phone. It's great for finding hot connections, loose lugs and overloaded breakers before they become a problem.

See it in a video

EBC-A20 Battery Capacity Tester

Charges and discharges a cell or battery at a set current to measure its real capacity.

See it in a video

Golf cart & yard

Vatrer 48V 105Ah Golf Cart Battery

Vatrer 48V 105Ah Golf Cart Battery

Drop-in LiFePO4 replacement for a lead-acid golf cart pack, with Bluetooth monitoring. I installed one in our Club Car Precedent.

Watch my review
Bopga 48V 105Ah Golf Cart Battery

Bopga 48V 105Ah Golf Cart Battery

Compact LiFePO4 golf cart battery that comes with its own smart charger.

Watch my review
Novaic GR Plus 48V 105Ah Golf Cart Battery

Novaic GR Plus 48V 105Ah Golf Cart Battery

LiFePO4 golf cart battery. I opened it up to see what's inside.

Watch my review
Segway Navimow X4 (X430)

Segway Navimow X4 (X430)

All-wheel-drive robot mower. I tested it on steep slopes, under tree canopy and around livestock.

Watch my review
Navimow MowGate

Navimow MowGate

Automatic gate that lets the mower pass between fenced areas on its own.

Watch my review

Odds & ends

DC-DC Buck Converter

DC-DC Buck Converter

Steps battery voltage down to 12V for small DC loads like fans, lights and electronics.

See it in a video
Danger Sign

Danger Sign

Warning label for the power room or battery enclosure: high DC current and multiple power sources present.

W1209 12V Thermostat Board

W1209 12V Thermostat Board

Small temperature controller with a relay that switches the cooling fan on only when the box gets warm.

See it in a video

Hamolar 12V 200A Continuous-Duty Relay

Heavy-duty relay used as a remote on/off switch for the main battery feed.

See it in a video