How to Size your Solar Power System

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Does off-grid solar confuse you? Check out my DIY friendly website for solar system blueprints, recommended components and much more!

Join our DIY solar community! #1 largest solar forum on the internet for beginners and professionals alike:

Check out my international best-selling 12V off-grid solar book (Amazon affiliate link):

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Coupon codes and solar distributors I recommend:

-Rich Solar: No coupon code needed here because they have the lowest prices around. High quality solar panels and solar generators:

-Renogy.com Megasite! They have everything you need to build any size system (
10% off code: WillProwse

-BigBattery.com (
10% off code: diysolar

-Batteryhookup.com (
10% off code: diysolar

-Watts 24/7: Best deals on all-in-one solar power systems, with customer support and distribution here in the USA:

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My solar equipment recommendations (Constantly updated unlike my videos! Check here first):

Solar Panels:

Beginner Friendly Lithium Batteries:

DIY LiFePO4 Batteries:

LiFePO4 Battery Cells:

LiFePO4 BMS:

Inverters:

LiFePO4 Battery Chargers:

Solar Charge Controllers:

Solar Panel Mounting Guide:

Fuses:

Battery Monitors:

Favorite Tools:

12V fridges:

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-DIY Solar System Packages-

Plug and Play Systems:

400W Starter System:

400W Starter System w/ Alternator Charging:

800W System:

DIY LiFePO4 System Design:

Contact Information:
I am NOT available for personal solar system consult! No exceptions! All emails asking me to design or help with building your system will be deleted. If you are a business or youtuber and wish to contact me, this is my direct email: williamprowsediysolar@gmail.com

Join the forum at if you wish to hang out with myself and others and talk about solar

Affiliate information and disclaimers:
Every video includes some form of paid promotion or sponsorship. Links in description are affiliate links. My videos are for educational purpose only. Information is subject to change/update at anytime. 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
FTC Disclosure Statement:
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.

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