Head to head
Bluetti EP900 + 2x B500 vs Lion Energy Sanctuary 3 (1 inverter, 1 battery)
Bluetti · Home Battery System
Bluetti EP900 + 2x B500
~$10,298
7,600 W · up to well pump or a small central AC
Lion Energy · Home Battery System
Lion Energy Sanctuary 3 (1 inverter, 1 battery)
~$10,298
12,000 W · up to well pump or a small central AC
Quick takeThe Lion Energy Sanctuary 3 (1 inverter, 1 battery) puts out more sustained power (12,000 W).
| Spec | Bluetti EP900 + 2x B500 | Lion Energy Sanctuary 3 (1 inverter, 1 battery) |
|---|---|---|
| Approx. price | ~$10,298 | ~$10,298 |
| Type | Home Battery System | Home Battery System |
| Fuel | Battery (LiFePO4) | Battery (LiFePO4) |
| Running / output watts | 7,600 W | 12,000 W |
| Starting / surge watts | — | — |
| Battery capacity | 9,920 Wh | 14,300 Wh |
| Expandable to | 19,840 Wh | 85,800 Wh |
| Noise | 50 dB | — |
| Runtime | Fridge (~150W): ~60 hrs on two B500 packs; whole-home essentials (~1kW): about 9 hrs | Fridge (~150W): ~90 hrs on one 14.3 kWh battery; essentials (~1.5kW): about 9 hrs |
| Outlets | None — hardwired; 120/240V split-phase output through the home's backup panel, 9 kW on-grid / 7.6 kW off-grid | None — hardwired; 120/240V split-phase output through the system's backup load panel |
| Fuel tank | — | — |
| Weight | 105.8 lbs | 290 lbs |
| Transfer-switch ready | Yes | Yes |
| Warranty | 10-year limited | 10-year limited, monitoring required |
Highlighted cell is the better figure for that row.
Owner pros and cons
Bluetti EP900 + 2x B500
- +Packs add in 4.96 kWh steps up to 19.8 kWh per inverter
- +Inverter takes up to 9 kW of PV input and charges while it backs up
- +IP65 enclosure suits garage or outdoor wall mounting
- +Under 10 ms switching keeps computers and routers up through a cut
- +Lower entry cost than a Powerwall or Enphase installation
- −Off-grid output is 7.6 kW, below the 9 kW headline
- −Each B500 is about 128 lb, so a stack is awkward to install
- −Few certified installers; electrician familiarity is hit or miss
- −No surge rating published for motor starts
- −Datasheet lists the inverter at up to 50 dB, audible near bedrooms
Lion Energy Sanctuary 3 (1 inverter, 1 battery)
- +12 kW continuous inverter runs most whole-home loads
- +14.3 kWh per battery is larger than most competing modules
- +Scales to 85.8 kWh on one inverter, or 24 kW with two
- +Inverter accepts up to 18 kW of solar
- +Lower hardware price per kWh than Tesla or sonnen
- −Short US track record compared with the big brands
- −Warranty depends on the system staying online for monitoring
- −No published surge rating or noise figure
- −Each battery weighs about 290 lb, so floor space and mounting matter