Best Overall
BLUETTI
BLUETTI Apex 300
$1,699.00
Reference price as of 2026-08-22 — check Amazon for the current price and stock.
Homeowners planning a whole-home battery system that can grow over time, not a single portable unit.
Full spec sheet
| Key specs | |
| Brand | BLUETTI |
| Price | $1,699.00 |
| Capacity | 2,764.8 Wh |
| Continuous output | 3840 W |
| Peak / surge output | 7680 W |
| Weight | — |
| Battery chemistry | LiFePO4 |
| Dimensions (L x W x H) | — |
| Includes solar panel | No |
| Use cases | Home, Off-Grid |
| Other verified specs | |
| Expandable capacity | 2.7kWh up to 58kWh, 3.8kW up to 11.5kW (BLUETTI official) |
| Battery lifespan | 17 years, EV-grade LiFePO4 (BLUETTI official) |
| UPS | 0 ms switchover |
| Bypass | 12kW bypass for HVAC and EV charging |
| Generator/grid charging | Up to 11.5kW input at 120V/240V |
| Massive solar input | Up to 19.2kW with the SolarX 4K accessory |
| Not found | Weight and dimensions for the base unit aren't listed on the page we reviewed |
Pros
- Expandable from 2.7kWh to 58kWh — the most scalable system here
- 3,840W continuous / 7,680W surge — the highest output in this comparison
- 0ms UPS switchover, faster than every other station here
- 17-year rated battery life
Cons
- No reviews yet on this listing
- Priced and built as a system, not a grab-and-go unit — less relevant if portability matters
- Weight and dimensions for the base unit aren't published
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