Full review and testing of 3000W 12V-120 VAC pure sine inverter/charger from SunGoldPower. It has more features than I expected. See how I plan to use it for my Lithium-powered off-grid workshop backup power system. 00:00 How I'll use this Inverter/Charger 01:40 What Can the SunGoldPower 3000 Watt Inverter/Charger Do? 03:29 Look Inside the SunGoldPower Inverter 04:30 How Many Lithium Batteries are Powering the Inverter? 05:13 Inverter Inputs and Output Connections 07:14 Inverter Status Indicators and Controls 09:00 How both AC and DC Priority Modes work (testing) 11:28 Automatic Transfer Switch Testing 13:12 How to Adjust Battery Charging Current (Amps) 14:22 Automatic Fast Switching from AC to DC Power (Loss of AC Power) 15:44 How Does Power Saver Mode Work? (Testing) 19:50 Shop Tools Load Testing in Inverter (Battery) Mode 22:08 Where to find information about the SunGoldPower inverter? EQUIPMENT SEEN IN VIDEO (Affiliate links - See disclosure below) SunGoldPower 3000W LFP Series Pure Sine Wave Inverter/Charger (Amazon) : https://amzn.to/2YVglyk (or https://sungoldpower.com/collections/pure-sine-inverter-with-charger) Inverter/Charger User Manual (PDF) : https://cdn.shopifycdn.net/s/files/1/0323/4090/2025/files/LFP_Manual.pdf?v=1608530076 Big Battery LiFePO4 180Ah Lithium Batteries: https://www.rvwithtito.com/bigbattery Handheld Oscilloscope Multimeter (Amazon): https://amzn.to/3p4PL0z AC/DC Mini Clamp Meter (Amazon) : https://amzn.to/3aF1omv MORE DIY PROJECTS, ARTICLES, RESOURCES: https://www.rvwithtito.com WHAT's GOING ON BETWEEN VIDEOS? JOIN US on INSTAGRAM: http://www.instagram.com/rvwithtito CHECK OUT MY E-BOOK (100+ Pro RV Boondocking Tips) https://www.rvwithtito.com/product/100-pro-tips-for-rv-boondocking FULL LIST of RECOMMENDED RV GEAR https://www.rvwithtito.com/gear #rvwithtito #rvsolar DISCLAIMER The opinions expressed in our videos are our own or from a contributor. Before taking on any project or making a large purchase, we recommend you do your own research and consult a professional for advice. We are NOT liable for any damage to your RV or injury incurred as a result of following our tips, advice or instructions. We are not RV professionals or certified technicians. We are simply RV owners who work on our own RVs and have a desire to share what we learn with others. Be responsible and know your limits. AFFILIATE DISCLOSURE This video may include links to merchants with affiliate programs who pay us a commission on purchases made or actions taken after clicking the link. We are a participant in the Amazon Services LLC Associates Program. As an Amazon Associate we earn from qualifying purchases.