EG4 FlexBOSS21 EG4-WallMount Indoor Battery Bundle [BNDL-E0023]

Use Cases

Ideal for homeowners and small businesses looking for a dependable, scalable energy solution. Perfect for whole-home backup, off-grid living, or reducing reliance on the grid through solar self-consumption and time-of-use savings—all while maintaining seamless, uninterrupted power.

EG4 314Ah Indoor Wallmount

Please Note: Lifetime Customer Support is based in Texas and available via phone and email. We strongly recommend using a certified solar installer and/or master electrician for professional installation. Please note that additional components may be required for your installation.

EG4 FlexBOSS21 - Load Testing

In this video, we put the EG4 FlexBOSS21 Hybrid Inverter to the test and explore what makes it one of the most capable home and off-grid power solutions available today. We start with an Intro and quick overview of the system, followed by a deep dive into idle consumption to see how efficiently the unit operates when under minimal load. Next, we push the FlexBOSS21 to its limits with a heavy unbalanced load test, showcasing its ability to handle demanding real-world conditions. Then, we switch to a no grid scenario to see how it performs completely off-grid. Finally, we wrap up with a conclusion highlighting performance insights, efficiency results, and our overall take on the FlexBOSS21’s hybrid power capabilities.

The EG4 WallMount 314Ah Indoor Battery | Overview & Features

Looking for a reliable indoor battery for whole-home backup and energy storage? In this video, we take a deep dive into the EG4 WallMount 314Ah Indoor Battery, a compact yet powerful solution built for homes and small businesses that value safety, efficiency, and uptime. With 16kWh of usable energy, 314Ah capacity, and 200A continuous discharge, the EG4 WallMount is designed to handle heavy household loads while staying quiet, compact, and easy to manage. Whether you’re pairing it with solar, optimizing time-of-use energy costs, or preparing for grid outages, this battery delivers consistent, dependable performance.