FOSSiBOT FB5222 Expansion Battery - 5222.4Wh LFP (For FOSSiBOT F7200)
The FOSSiBOT FB5222 Expansion Battery - 5222.4Wh LFP (For FOSSiBOT F7200) stores 5,222 Wh. At $1,999 it costs $0.38 per Wh.
Store prices and availability
| Store | Price | $/Wh | Condition | Stock | Action |
|---|---|---|---|---|---|
| FOSSiBOT Store | $1,999 | $0.38 | New | In stock | Buy at FOSSiBOT Store |
| Amazon | price not checked | New | Out of stock | Check price on Amazon |
Verified specifications for FOSSiBOT FB5222 Expansion Battery - 5222.4Wh LFP (For FOSSiBOT F7200)
| Group | Specification | Verified value | Primary source |
|---|---|---|---|
| Capacity & output | Rated battery capacity | 5,222 Wh | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Capacity & output | Continuous AC output | not stated | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Capacity & output | Peak surge AC output | not stated | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Capacity & output | Resistive boost mode | not stated | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Capacity & output | UPS switchover time | not stated | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Battery | Cell chemistry | LiFePO4 | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Battery | Rated cycle life | not stated | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Battery | Expandable capacity | No | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Charging | Max solar input | not stated | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Charging | Solar voltage (Voc) range | not stated | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Charging | Max AC wall charge rate | not stated | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Ports | AC outlets | not stated | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Ports | USB-C ports (max per port) | not stated | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Ports | USB-A ports | not stated | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Ports | 12V / DC output ports | not stated | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Physical | Weight | not stated | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Physical | Energy density by weight | not stated | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Warranty | Standard manufacturer warranty | 5.0 years | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Certifications | UL 2743 safety claim | not stated | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
| Certifications | Additional safety certifications | not stated | Source:FOSSiBOT official specification sheet(checked 2026-11-06) |
What FOSSiBOT FB5222 Expansion Battery - 5222.4Wh LFP (For FOSSiBOT F7200) runs on a single charge
Runtime estimates below use our portable power station runtime calculator at 85% usable AC capacity across four reference loads from data/appliances.json.
| Appliance load | Reference draw | Estimated runtime | Notes |
|---|---|---|---|
| Full-size refrigerator (cycling) | 1.5 kWh/day (62.5 W average cycling draw, U.S. DOE) | 71.0 hours | About 3.0 days at 85% usable AC capacity |
| CPAP without heated humidifier | 11 W continuous (ResMed AirSense 10 Battery Guide) | 403.5 hours | About 50.4 eight-hour nights |
| Wi-Fi router + laptop computer | 60 W combined (10 W router + 50 W laptop, Penn State EME 807) | 74.0 hours | Continuous remote-work load at 85% usable AC capacity |
| Portable electric space heater (high) | 1,500 W resistive heat (Penn State EME 807) | 3.0 hours | Exceeds continuous AC rating (not stated); would drain 5,222 Wh in 3.0 hours |
Lifetime energy delivery and cost per lifetime kWh
FOSSiBOT does not state a complete cycle count and capacity retention percentage pair on the official product specification page for the FB5222 Expansion Battery - 5222.4Wh LFP (For FOSSiBOT F7200), so lifetime deliverable kilowatt-hours and cost per lifetime kWh are shown as not stated. Read the exact linear capacity fade formula on our methodology page.
Closest alternatives in the 5,000 Wh and up capacity class
| $/Wh | Price | Capacity | AC output | Chemistry | Product |
|---|---|---|---|---|---|
| $0.56 | $2,899 | 5,222 Wh | 7,200 W | LiFePO4 | FOSSiBOT F7200 Portable Power Station - 5222.4Wh |
| $0.47 | $2,399 | 5,120 Wh | 7,200 W | LiFePO4 | Pecron F5000LFP Portable Power Station 7200W 5120Wh 120V/240V Pre-Order |
| $0.66 | $3,397 | 5,120 Wh | 7,200 W | LiFePO4 | Pecron F5000LFP Solar Generator 7200W 5120Wh 120V/240V Home Backup Pre-Order |
| $1.17 | $5,899 | 5,040 Wh | not stated | not stated | Jackery Explorer 5000 Plus |
Compare FOSSiBOT FB5222 Expansion Battery - 5222.4Wh LFP (For FOSSiBOT F7200) across brand, capacity, and use-case tables
- Brand lineup: All FOSSiBOT portable power stations compared by $/Wh
- Capacity class: Portable power stations (5,000 Wh and up)
- Interactive sizing: Run FOSSiBOT FB5222 Expansion Battery - 5222.4Wh LFP (For FOSSiBOT F7200) in the appliance runtime calculator
- Use-case comparison: Best portable power stations for CPAP machines
- Use-case comparison: Best portable power stations for camping
- Use-case comparison: Best portable power stations for refrigerators
- Use-case comparison: Best portable power stations for apartments
- Use-case comparison: Best portable power stations for home backup
- Data correction: Report a data error on FOSSiBOT FB5222 Expansion Battery - 5222.4Wh LFP (For FOSSiBOT F7200)