Head-to-head
Anker SOLIX F3800 — Whole-Home Backup vs. Bluetti Elite 300
The home-backup duel — 3.84 kWh expandable powerhouse vs. the most compact 3 kWh portable on the market.
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Anker
Anker SOLIX F3800 — Whole-Home Backup
4.1 (140) 4.1 out of 5 (140 reviews)
$1,799
Check on Amazon → vs
vs
Side by side
Spec showdown
Per-row winners are highlighted. Lower is better for weight and switchover time; higher wins everywhere else.
| Spec | Anker | Bluetti |
|---|---|---|
| Capacity | ★ 3,840Wh | 3,014Wh |
| AC Output | ★ 6,000W | 2,400W |
| AC Surge | ★ 10,200W | 4,800W |
| Cycles to 80% | 3,000 | ★ 6,000 |
| Weight | 132.28lb | ★ 58lb |
| UPS switchover | — | 10ms |
| Chemistry | LFP | LFP |
| Wins | 3 wins | 2 wins |
Strengths & weaknesses
Where each one wins
Anker
Anker SOLIX F3800 — Whole-Home Backup
+ Pros
- ·True 240V split-phase output runs dryers, central AC, well pumps and EVs that no other portable in this price tier can touch
- ·Modular path to 26.9 kWh on a single chassis — pay-as-you-grow without throwing the unit away
- ·InfiniPower 10-year design life — same LFP architecture used in EV-class storage
- ·Direct EV charging at 6 kW skips the typical $300+ grounding-adapter rabbit hole
− Cons
- ·132 lb dead weight — installation requires a hand truck, a friend, and a permanent home for the unit
- ·When AC-recharging, only the 120V UPS outlet stays live — you can't drive 240V loads while charging
- ·$1,799 deal pricing is volatile; expect creep back toward $2,599 when promotions roll off
- ·Mixed early reviews flag charging failures and solar-panel compatibility issues outside Anker's ecosystem
Bluetti
Bluetti Elite 300
+ Pros
- ·6,000-cycle LFP — roughly double what most competitors ship, putting cycle life at ~15 years of weekly use
- ·Densest 3 kWh portable on the market: 3 kWh in a 58-lb / 14.4 × 12 × 11.7 in box
- ·TT-30 + 12V/30A combo means it drops into a camper-van DC system with zero pigtails
- ·10 ms UPS keeps essentials live through brownouts — same latency as the AC200L
− Cons
- ·Only 2 AC outlets and a small number of total ports — port count trails the AC200L's 13-port layout
- ·Very new on Amazon: 16 reviews and limited long-term reliability data so far
- ·No 240V output and no expansion battery path — what you buy is what you get
- ·Solar input not specified in the Amazon listing — verify against Bluetti's spec sheet before buying panels