Bluetti
Bluetti AC70
768 Wh
1,000 W output
2,000 W surge
⚕ Medical-ready
$349 · Lifetime $0.15/kWh over 3,000 rated cycles · MSRP $599
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What it actually runs
Usable energy ≈ 653 Wh after our standard 85% inverter-efficiency assumption. Methodology
| CPAP overnightCPAP, humidifier off (40 W × 8 h) | ~16 h continuous · 2.0 days at typical daily use |
|---|---|
| EssentialsFridge + wifi + 3 lights (~190 W continuous) | ~3.4 h continuous · 0.4 days at typical daily use |
| Storm kitFridge + sump pump + lights + phones (~1,000 W) | ~0.7 h continuous · 0.2 days at typical daily use |
| Quick equivalents | ≈ 2 CPAP nights · 4 h of fridge · 33 phone charges |
Solar recharge
The AC70 accepts up to 500 W of solar input — panels beyond that sit idle. To sustain an essentials load (~1,680 Wh/day) off-grid you'd need roughly 470 W of panels, within this unit’s cap — sun permitting, it can run essentials indefinitely.
Compatible kits: Bluetti PV200 (200 W) · Bluetti PV350 (350 W) · Renogy 200W Rigid (MC4) (200 W) · Rich Solar 400W Kit (MC4) (400 W) · Bluetti PV420 (420 W) · Anker SOLIX PS400 (400 W) · EcoFlow NextGen 160W (160 W) · Renogy 400W Portable Suitcase (400 W).
Specifications
| Capacity | 768 Wh |
|---|---|
| Usable (85%) | 653 Wh |
| AC output | 1,000 W |
| Surge output | 2,000 W |
| Max solar input | 500 W |
| UPS switchover | 20 ms |
| Expandable battery | No |
| Rated cycles | 3,000 |
| Third-party solar | MC4 panels supported |
| Lifetime cost | $0.15/kWh |
Alternatives to consider
- EcoFlow River 2 Pro — 768 Wh / 800 W at $339 · compare head-to-head →
- Goal Zero Yeti 1000X — 997 Wh / 1,500 W at $999 · compare head-to-head →