Product Specifications for Ionic GenBox 1200S 1200W Slim Battery Backup with UPS
| BM Part #: | GENBOX-1200S |
|---|---|
| Brand: | Ionic Lithium |
| Energy Capacity: | 1,382 Wh |
| Input Voltage: | 1,200W (L-N), 60Hz |
| Type: | LiFePO4 |
| Length: | 25.4" |
| Width: | 3.8" |
| Height: | 12.0" |
| Shipping Weight: | 36.00Lbs |
| Warranty: | 3-year Limited Factory Warranty |
| Available Colors: | Black, White |
| AC Output: | 1,200W continuous / 1,350W peak — 120V, 60Hz, pure sine wave (single-phase) |
| AC Outlets: | 2 × 120V |
| UPS Transfer Time: | Under 20ms |
| AC Round-Trip Efficiency: | ~90% |
| DC Solar Input: | Up to 400W, 11–50V DC, MPPT |
| Cycle Life: | 5,000 cycles to 70% capacity |
| Expandability: | Up to 3 expansion modules (5.52kWh total) |
| Ingress Protection: | IP54 |
| Certifications: | UL1642, UL1973-Cell, UN38.3, FCC |
| Charging Temperature: | 32°F to 122°F |
| Discharge Temperature: | -4°F to 122°F |
| Storage Temperature: | 41°F to 95°F |
| Operating Humidity: | 5%–90% |
| Operating Altitude: | Up to 6,560 ft |
- Automatic UPS Switchover: Detects outages and switches to battery power in under 20 milliseconds — no manual action required, even when you're not home.
- Ultra-Slim 3.8" Profile: Mounts flush to the wall behind your refrigerator or freezer, staying out of the way while always staying ready.
- Eco Smart Cycle via Free App: Use the Ionic GenBox app on iOS or Android to program run/rest intervals and extend a single charge from ~6 hours to ~18 hours.
- Expandable Capacity: Add up to three GenBox 1.3B Expansion Modules (sold separately) to scale total storage to 5.52kWh and 24+ hours of runtime.
- Solar-Ready MPPT Input: Accepts up to 400W of solar panels (sold separately) so you can recharge from the sun and keep running through multi-day outages.
- 5,000-Cycle LiFePO4 Battery: Rated for 13+ years of continuous use with no battery replacements, and certified UL1642, UL1973-Cell, FCC, and UN38.3 for safe indoor operation.
- Resources:
- Link: iOS GenPro App
- Link: Android GenPro App
- Download: GenBox 1200S Product Manual (PDF)
Product Description
Most people don't think about power outages until one is already happening. By then, it's too late to save $400 worth of groceries or keep a critical medical device running. The Ionic GenBox 1200S is designed to solve that problem before it starts.
Unlike portable power stations that need to be wheeled out and manually plugged in during a blackout, the GenBox 1200S lives permanently behind your refrigerator, freezer, or other essential appliance. Mounted to the wall or resting on the included floor stand, it stays fully charged and constantly monitors the power supply. The moment an outage hits, it switches to battery power in under 20 milliseconds — faster than any appliance can detect a change. Your refrigerator keeps cooling. Your CPAP keeps running. You don't have to do a thing, whether you're home, asleep, or away for the week.
Setup takes about 10 minutes with no electrician needed. Plug your appliance into the GenBox, plug the GenBox into your wall outlet, and mount it in place. You're protected.
Built to Last Over a Decade
The GenBox 1200S uses a LiFePO4 (lithium iron phosphate) battery rated for 5,000 charge cycles — the safest and longest-lasting lithium chemistry available. At typical use, that's 13 or more years of reliable backup before any capacity decline. It can stay plugged in continuously without degrading, making it ideal for permanent, always-on protection.
Stretch Your Runtime with Eco Smart Cycle
On a full charge, the GenBox 1200S powers a full-size refrigerator for roughly 6 hours. Using the free Ionic GenBox app (available for iOS and Android), you can enable Eco Smart Cycle to program automatic on/off intervals. Because well-insulated refrigerators hold temperature for hours with the door closed, running the unit 2 hours on and 4 hours off can stretch your coverage to roughly 18 hours on a single charge — triple the standard runtime with no extra hardware.
Scale Up When You Need More
Need more capacity? The GenBox 1200S supports up to three GenBox 1.3B Expansion Modules (sold separately), scaling total storage to 5.52kWh for 24 or more hours of continuous runtime. A few other things worth knowing:
- Delivers 1,200W of pure sine wave power, safe for variable-speed compressors, medical equipment, and sensitive electronics
- Built-in solar input accepts up to 400W, letting you recharge from the sun during extended outages
- Fully recharges from a standard wall outlet in about 90 minutes
- Rated IP54 for dust and splash resistance, and certified to UL1642, UL1973-Cell, FCC, and UN38.3 standards
At just 3.8 inches deep and 33 lbs, the GenBox 1200S fits in spaces no standard power station can reach — and with a 3-year warranty plus lifetime U.S.-based support, it's a long-term investment in peace of mind.
Frequently Asked Questions
Does the GenBox 1200S require professional installation?
A: No. The GenBox 1200S is fully plug-and-play. Plug your appliance into the GenBox, plug the GenBox into a standard wall outlet, and secure it to the wall using the included mounting bracket or set it on the included floor stand. No wiring, no permits, and no electrician required. Most customers are up and running in about 10 minutes.
How long will it power my refrigerator during an outage?
A: A full-size refrigerator typically draws between 150–200W, which gives you roughly 6 hours of continuous runtime on the base unit. Enabling Eco Smart Cycle through the free Ionic GenBox app can extend that to approximately 18 hours by cycling power on and off while your refrigerator holds its temperature. Adding GenBox 1.3B Expansion Modules scales capacity further, up to 24 or more hours with three modules attached.
What happens automatically when grid power is restored?
A: The GenBox 1200S detects the return of grid power on its own and switches your appliance back to utility power without any input from you. It then begins recharging its battery automatically and is typically fully recharged in about 90 minutes, ready for the next outage.
Can the GenBox 1200S power appliances other than a refrigerator?
A: Yes. It delivers 1,200W of continuous pure sine wave output, which is enough to run a chest freezer, a CPAP machine, a Wi-Fi router and home office setup, a sump pump, or several lower-draw devices simultaneously — as long as combined load stays within 1,200W. It is not designed for high-draw appliances like microwave ovens or full-power space heaters, which typically exceed that threshold.
Is the Ionic GenBox app required to use this product?
A: No. The GenBox 1200S works completely automatically right out of the box without any app interaction. The free Ionic GenBox app — available for iOS and Android — is optional and connects via Bluetooth to unlock additional features like Eco Smart Cycle, real-time battery status, and runtime management. It works even when your Wi-Fi is down.
