BatteryRank scores the Bluetti Apex 300 higher overall — 70 vs 64, though the other unit leads on power.
- Best for Home backup: Anker SOLIX F3800 Plus
- Best for Camping & RV: Bluetti Apex 300
How they score
Computed from sourced data with a published, price-independent formula. Scores are relative to each model's size class.
Capacity truth
The watt-hours on the box aren't what reaches your devices. Same scale, both units.
The marketing number — total cell capacity.
What reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.
The marketing number — total cell capacity.
~2,550-2,580 Wh delivered (Trusted Reviews, ~92-93.5% at load) · 7% below the label
Key specs, side by side
| Spec | Anker SOLIX F3800 Plus | Bluetti Apex 300 |
|---|---|---|
| Usable capacity | 3,840 Wh | 2,764.8 Wh |
| Continuous power output | 6,000 W | 3,840 W |
| Surge power output | 9,000 W | 7,680 W |
| Max solar input | 3,200 W | 2,400 W |
| Weight | 62 kg | 38 kg |
| Rated cycle life | 3,000 cycles | 6,000 cycles |
Manufacturer-claimed unless marked verified (FCC/UL/DOE/lab). Hover any figure for its source.
Price & fair-price verdict
Each verdict compares today's price against that model's own tracked history — never MSRP theater.
Where these rank
- Bluetti Apex 300 #3 XL / home backup in Best Portable Power Stations