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OutBack
EG4 FlexBOSS21 Hybrid Inverter & OutBack EnergyCell 5 ESS Bundle
DK-BNDL-OB003
Hybrid
Part of EG4 FlexBOSS21 Hybrid Inverter & OutBack EnergyCell 5 ESS Bundle
- Type
- Hybrid
$9,779.77 eachReg. $11,178.78
In stock
Distributor pricing and stock: call 678-467-5515 or email sales@discountkings.net.
About this product
Use Cases
Ideal for whole-home backup power, grid-tied solar with battery storage, off-grid properties, and residential energy independence projects where scalable energy storage, advanced monitoring, and long-term reliability are essential.
Outback Power EnergyCell 5
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 First Look - This Inverter Saves You Thousands!
Meet the EG4 FlexBOSS21 – the next-level hybrid inverter that’s bigger, more powerful, and more affordable than the EG4 18kPV. With 16kW continuous output, 21kW PV input, and seamless integration with the EG4 GridBOSS, this inverter is built for serious solar setups. But is it right for you? We take a first look at it to break down its features, what we like, and what you need to know before buying.
Outback Power EnergyCell 5 - Overview & Features
In this video, we provide an overview of the Outback Power EnergyCell 5, a lithium iron phosphate battery designed for residential and small commercial energy storage applications.
- Whole-Home Backup & Smart Energy Storage Made Simple Whether you're looking to reduce grid dependence, maximize solar production, or prepare for power outages, this bundle delivers a complete energy storage solution built for long-term performance. Pairing…
- Kit Contents
- Downloads
- Powerful Whole-Home Backup: Deliver up to 16kW of continuous output while solar is producing, with up to 12kW available from battery power alone. The FlexBOSS21 is capable of starting demanding household loads, including up to a 5-ton air conditioner,…
- Maximize Solar Production: Three independent MPPTs support up to 21kW of recommended PV input, giving installers greater design flexibility while helping homeowners capture more solar energy throughout the day.
- Expandable Energy Storage: The modular EnergyCell 5 platform makes it easy to increase storage capacity as your energy needs grow. Whether you're planning for future home additions, EV charging, or increased backup runtime, the system is designed to expand…
- Built for Long-Term Reliability: The OutBack EnergyCell 5 utilizes Lithium Iron Phosphate (LiFePO₄) cells, an active balancing Battery Management System (BMS), and independent module protection to deliver dependable performance, low maintenance, and a design…
- UL 9540 DC ESS Certified Battery System: The OutBack EnergyCell 5 battery is UL 9540 ESS certified, and when paired with the EG4 18kPV inverter, it forms a tested Energy Storage System (ESS) designed to support code-compliant residential backup and storage…
- EG4 FlexBOSS21 Spec Sheet
- EG4 FlexBOSS21 User Manual
- Outback Power EnergyCell 5 User Manual
- Outback Power EnergyCell 5 Integration Sheet
Specifications
| Product type | Solar kit / bundle — Hybrid |
|---|
| Max Continuous Output | 16kW w/ PV & Grid ; 12kW w/ Batteries Only |
|---|---|
| Peak Power | 24,000W (.5 sec) | 18,000W (1 sec) |
| Recommended Max. Solar Array Power | 21kW |
| Enclosure Rating | NEMA 4X |
| Nominal Voltage | 51.2V |
| Continuous Charge / Discharge Power | 5kW |
| Outdoor Rating | IP65 |
| Certifications | UL 9540A, UL 1973, UL9540 |