The Cheapest Way to Power Your Whole House Through the Apocalypse

Full build guide, wiring diagrams and electrician handoff sheet:
https://willapproved.com/system-packages/budget-whole-home-backup/

BUDGET WHOLE-HOME BACKUP PARTS LIST
12kW inverter + 32kWh battery. Pick one inverter.

INVERTER (PICK ONE)
RUiXU SUNON12 12kW (24,000W solar input, separate generator input): https://www.ruixubattery.com/product-page/ruixu-single-split-phase-off-grid-inverter-sunon12-12kw-ul1741?ref=uakhk727
Powland 12kW (lowest price, 13,000W solar input): https://www.amazon.com/dp/B0HH8FZKZ9?tag=willapproved-20
EG4 12000XP (24,000W solar input, 100A grid bypass): https://chargedreviews.com/inverters/eg4-12000xp-iv-12000-xp-in-01

BATTERY
Yixiang 32kWh 51.2V, JK 300A BMS (about 600 lb, build it in place): https://yixiangpower.com/products/pre-sale-yixiang-us-stock-eve-mb56-finished-battery-pack-32kwh-51-2v-16s-628ah-eve-lifepo4-cell-lithium-battery-estimated-shipping-date-dec-20th?sca_ref=9207522.jYuzmwEjUpH

METER COLLAR TRANSFER SWITCH (OPTION C, YOUR UTILITY MUST APPROVE IT)
GenerLink 30A with surge protection (up to 7,200W): https://www.amazon.com/dp/B0D3VQBPG8?tag=willapproved-20
GenerLink 40A non-surge (up to 9,600W): https://www.amazon.com/dp/B0GDRRM152?tag=willapproved-20

BATTERY CABLE
2/0 AWG battery cable kit: https://link.amazon/B0d1X4CH2

SOLAR WIRING
10 AWG MC4 extension cable: https://link.amazon/B06TPxXOA
Solar disconnect switch (1 per string): https://link.amazon/B08XkpZEf
400W solar panels I recommend: https://willapproved.com/solar-panels/standard-panels/

TOOLS
Ratchet cable cutter: https://link.amazon/B07ZARB7Q
Large gauge cable stripper: https://link.amazon/B0g7u46Bv
Battery powered hydraulic crimper: https://link.amazon/B0b9hSrCb
Manual hydraulic crimper (lower cost): https://link.amazon/B0fEEiyLt
Heat shrink with adhesive: https://link.amazon/B0iosSM6m
Heat gun: https://link.amazon/B03njdHdg
Inch pound torque wrench: https://link.amazon/B04RwXxvX
Torque screwdriver: https://link.amazon/B02cIvppi
Multi-size wire stripper: https://link.amazon/B0comodnT
Ferrule crimping kit: https://www.amazon.com/dp/B0CRR7LWG5?tag=willapproved-20
Clamp meter: https://link.amazon/B05tUB5Fp

Electrician handoff sheet (PDF): https://willapproved.com/wp-content/uploads/2026/11/electrician-handoff-sheet-whole-home-backup-12k.pdf

Want a code-compliant, outdoor-rated system instead? My EG4 hybrid build: https://willapproved.com/system-packages/eg4-hybrid-system-builder/
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*Don't want to burn down your house? Need equipment you can actually depend on? Check out my latest "Will Prowse Approved" solar product recommendations here:*
https://www.willapproved.com/

*Tired of leaving reviews that get censored by the manufacturer? Need to find the lowest price UL certified battery? Check out Charged Reviews:*
https://www.chargedreviews.com

*Need more help? Join the largest DIY solar forum on the internet for beginners and professionals alike:*
https://www.diysolarforum.com

*Check Out My Free 12V DIY Solar Book*
Best-selling and beginner-friendly guidebook to off-grid 12V solar!
https://www.willapproved.com/the-book

*Use facebook? Check out my group:*
https://www.facebook.com/share/g/1FQ695xjj4/

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*Contact Information:*
I am NOT available for personal solar system consult! If you wish to contact me, this is my direct email: williamprowsediysolar@gmail.com
*FTC Disclosure Statement and Disclaimers:*
Every video includes paid promotion or sponsorship (such as free products for review). Some links on this YouTube channel may be affiliate links. We may get paid if you buy something or take an action after clicking one of these. My videos are for educational purposes only. Information is subject to change/update at any time. Electricity is DANGEROUS and can kill. Be smart and use common sense :) DIY Solar Power with Will Prowse is a participant in the Amazon Services LLC Associates Program, An affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com

#diysolar #offgrid
0:00 Intro
0:28 Battery
1:00 Inverter
2:08 Mount Inverter
3:18 How to Backup Your House
5:18 Turn it on!
8:21 Price and Feature Comparison
10:40 What I Would Do