All videos

Before You Buy a Solar Battery, Watch This — Masterclass Remix
Two-and-a-half-hour walkthrough of 12V to 48V battery system design, LiFePO4 chemistry, wiring, balancing, and real-world installation lessons from tested off-grid builds.

How to Build a 48V Battery Bank: Series vs. Parallel
Thirty-second breakdown of series and parallel battery configurations for 48V systems, including busbar organization and compatibility requirements.

10 Reasons To Purchase an EG4 3000EHV Inverter
Technical walkthrough of the EG4 3000EHV 48V inverter for DIY solar systems: features, expandability, and real-world use cases for off-grid homes, RVs, and backup power.

Create a 48V Battery Bank from Four 12V Batteries — Complete How-To Guide
26-minute walkthrough wiring four 12V batteries in series to create a 48V battery bank: voltage math, capacity, matching requirements, balancing, charging, and safety considerations.

EG4 Power Pro vs Ruixu Lithi vs Yixiang Budget Battery Showdown
Comparison testing of three popular 48V lithium battery systems for off-grid and backup power applications.

New $1,000 Vatrer Server Rack Battery: Will it Survive 100A? Versus Ecoworthy
Head-to-head stress test of two 48V lithium server rack batteries under high-current discharge.
