Fortress Power eBoost 16kWh LFP Battery + Solo 6.5kW Inverter | Off Grid Solar Battery Backup System
Pre-order today! Shipping October 1, 2025.
Simple Installation – Connect the eBoost 16kWh Battery Pack and Solo 6.5kW Inverter easily via the eWay Conduit Box. Mount on the wall or floor for flexible placement with minimal tools.
Clean Wiring – AC and DC lines are separated inside the eWay Conduit Box, clearly marked and organized for a safe, professional-looking setup.
Safe Operation – Built-in breakers and intelligent switching in the Solo 6.5kW inverter, combined with the eBoost battery’s stable LFP chemistry and BMS, provide reliable protection and long-lasting power.
Expandable System – Add more eBoost batteries or parallel up to 6 Solo inverters for larger off-grid or backup systems.
High-Capacity Solar Charging – Built-in 140A MPPT solar charge controller maximizes solar input for faster, more efficient battery charging.
Dual Power Input – Supports both grid and generator input, ensuring reliable operation during outages or low solar production.
Smart Energy Management – Time-of-use scheduling allows you to optimize charge and discharge cycles, lowering energy costs and improving system efficiency.
Versatile Applications – Perfect for off-grid homes, backup power, and small microgrids—delivering reliable, affordable energy where you need it most.
Applications
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Off-grid homes and cabins
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Home backup power
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Solar-powered remote sites
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Small microgrids
eBoost 16kWh Battery & Solo 6.5kW Off-grid Inverter Features
Your DIY Off-Grid Power Solution
48V eBoost 16kWh battery with 8,000+ cycle LFP cells, paired with a 6.5kW Solo off-grid inverter delivering 120/240 VAC (single/split-phase). Modular design and simple wiring make it DIY-friendly, quick to install, and easy to use every day.
🔋 All-Day Power You Can Count On
Keep the lights on, the fridge cold, and your devices charged—day and night. With eBoost 16kWh of storage and Solo 6.5kW of output, this bundle easily covers the essentials of daily living off the grid.
🛡️ Always in Control, Protected for Worry-Free Living
The eBoost 16kWh Battery features internal busbars, LED status indicators, and a built-in Rapid Shutdown (RSD) for instant power cut-off in emergencies. Paired with the Solo 6.5kW Off-Grid Inverter, which offers optional current transformers (CTs) for precise load monitoring and protection, this bundle gives you a stable off-grid system you can trust every day.
🏡 Compact, Indoor-Ready for Any Room
Designed for safe indoor use, the Solo 6.5kW inverter fits neatly in your home, garage, shed, or equipment room — giving you efficient energy for everyday use without taking up much space.
💡 A Battery You Can Rely On for Years
No more worrying about replacements anytime soon — with premium LFP cells, the eBoost battery is built to keep going for over a decade. Backed by a 10-year warranty, it’s a power source you can trust to run your off-grid life day after day, year after year.
⚡ Ready for Off-Grid Living, Without Overspending
Whether it’s your weekend cabin, a small farm, or a storm-season backup, the eBoost 16kWh battery + Solo 6.5kW inverter combo gives you practical energy that fits your lifestyle and budget—no hassle, no overspending.
🛠️ Easy Setup, Saving Time & Money
The eBoost 16kWh Battery and Solo 6.5kW Inverter feature modular design and fast-connect hardware, so you can install the system yourself—saving both time and installation costs.
eBoost Battery & Solo 6.5kW Inverter Technical Specs & Downloads
Get the details you need—spec sheets, manuals, and performance data all in one place. We link directly to the manufacturer's site, so you know you always have the most up-to-date information.
| 16kWh | 32kWh | |
| GENERAL DATA | ||
| Weight | 353 lbs (160 kg) | 706 lbs (320 kg) |
| Operating Temperature | -4 ºF – 140 ºF (-20 ºC – 60 ºC)* | |
| Ingress Protect | Degree IP65 | |
| Communication | PCS CAN/RS485; Parallel:CAN | |
| Dimensions (W*D*H) | eWay : 22.84×10.18×9.39 in (580×258.6×238.5 mm) | Battery: 22.28×10.18×33.71 in (566×258.6×856 mm) | |
| Warranty | 10 years (up to 15 years with Fortress Power inverter and platform) | |
| Mounting Options | Ground-Mount, Floor Standing, Wall-Hanged (Separate Accessory) | |
| BATTERY SPECIFICATIONS | ||
| Maximum Units In Parallel | 16 | |
| Cell Type | Tier-1 Prismatic 16 Cell LFP | |
| Nominal Capacity | 314Ah | 2 x 314Ah |
| Nominal Energy | 16.1kWh** | 32.2kWh** |
| Nominal Voltage | 51.2V | |
| Re-charge Voltage | 49V | |
| Cut-off Voltage | 41.6V | |
| Maximum Short-Circuit (A) | Under Testing | |
| Operating Voltage Range | 41.6-57.6V | |
| Closed-Loop Charge/Discharge | 180/250 A | 360/500 A |
| Bulk/Absorption Charge | 55.2V | |
| Max Charge/Discharge | 314A/10s | 628A/10s |
| Surge Discharge Power W | 18kW/10s | 36kW/10s |
| Cycle Life @ EOL 70% | 8000 Cycles | |
| STANDARDS & CERTIFICATIONS | ||
| Safety Standards | UL1973, ANSI/CAN/UL9540:2023, UL9640A (expected Q3 2025) | |
| Listings | CEC, LUMA, oGPE | |
| Transportation | UN38.3 | |
* Performance will degrade at operating temperatures above 104 ºF (40 ºC)
** Values are based on measurements taken at 77 ºF (25 ºC) at beginning of life.
| GENERAL DATA | |
| Weight | 47.84 lbs (21.7 kg) |
| Operating Temperature | 14 ºF - 131 ºF (-10 ºC - 55 ºC), >45 ºC derating |
| Protection Level | IP20 (for indoor use only) |
| Noise | <60db |
| Dimensions (H x W x D) | 27 x 16.1 x 5.5 in (686 x 410 x 140 mm) |
| Cooling Mode | Fan |
| INVERTER OUTPUT | |
| Rated Output Power | 6,500W |
| Maximum Peak Power | 13,000 VA |
| Rated Output Voltage | 120/240 VAC (Single/Split-Phase)* |
| Rated Frrequency | 50/60Hz* |
| Output Wave | Pure Sine Wave |
| Switching Time | 10 ms (typical value) |
| Parallel Number | 6 |
| BATTERY PARAMETERS | |
| Compatible Battery Type | Lithium-ion battery / lead-acid battery / user- defined battery* |
| Rated Battery Voltage | 48 Vdc |
| Voltage Range | 40 Vdc-60 Vdc* |
| Maximum Grid/Generator Charge Power | TBD |
| Maximum Battery Charge Power (with PV) | 140 A DC* |
| PV INPUT | |
| MPPT Channel Number | 2 |
| Maximum Input Power | 5,000W+5,000W |
| Maximum Input Short Circuit Current | 18 / 18 A |
| Maximum Open Circuit Voltage | 550 Vdc / 550Vdc |
| MPPT Operating Voltage Range | 150 Vdc-450 Vdc |
| GRID / GENERATOR INPUT | |
| Input Phase Voltage Range | 65 VAC - 140 VAC |
| Grid Frequency Range | 50/60 Hz |
| Bypass Overload Current | 40A |
| COMMUNICATION | |
| Built-in Interface | RS485 / CAN / USB / dry contact* |
| External Module (Optional) | Wi-Fi / GPRS* |
| EFFICIENCY | |
| MPPT Tracking Efficiency | 99.9% |
| Maximum Efficiency of Battery Inverter | 93% |
| STANDARDS & CERTIFICATIONS | |
| Safety Standards | IEC62109-1, IEC62109-2, and UL1741 |
| EMC | EN61000-6-1, EN61000-6-3, and FCC 15 class B |
| RoHS | Yes |
