
Aferiy P280 vs Anker SOLIX S2000

Aferiy P280 leads by 29 points overall.
No price call today — the performance leader has no tracked street price yet.

Anker SOLIX S2000
- Home backup: Aferiy P280 — more AC-delivered capacity and higher AC output
- Camping & RV: Anker SOLIX S2000 — lighter and easier to carry
Score breakdown
Battery-side usable capacity and how much you can run at once.
Owner reputation, safety record, warranty, and build durability.
Wall and solar recharge speed.
Lightweight, portable, and quiet enough to live with.
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.
2,048 Wh. Show source
claimed sourceaferiy.com ↗2026-07-27The marketing number — total cell capacity.
1,567 Wh. Show source
estimated sourceestimate = battery-side usable capacity × 85% inverter efficiencyWhat reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.
2,010 Wh. Show source
claimed sourceankersolix.com ↗2026-07-27The marketing number — total cell capacity.
1,538 Wh. Show source
estimated sourceestimate = battery-side usable capacity × 85% inverter efficiencyWhat reaches an AC outlet — about 15% is lost turning battery power into household AC. How we estimate.
Same-device runtime
| Device | Aferiy P280 | Anker SOLIX S2000 | Assumption |
|---|---|---|---|
| CPAP (humidifier off) | about 21.8 nights | about 21.4 nights | 9 W · |
| CPAP (heated humidifier on) | about 3.5 nights | about 3.4 nights | 56 W · |
| Refrigerator (full-size) | about 25 hours | about 24 hours | 180 W × 35% duty cycle · |
| Wi-Fi router + modem | about 87 hours | about 85 hours | 18 W · |
| Laptop (65W charger) | about 48 hours | about 47 hours | 65 W × 50% duty cycle · |
| Phone (one full charge) | about 78 full charges | about 76 full charges | 20 W · |
One device at a time; estimates use each station's usable AC energy. Build your own load →
Key specs, side by side
| Spec | Aferiy P280 | Anker SOLIX S2000 |
|---|---|---|
| AC-delivered capacity | 1,567 Whest.. Show sourceestimated sourceaferiy.com ↗2026-07-27 | 1,538 Whest.. Show sourceestimated sourceankersolix.com ↗2026-07-27 |
| Continuous power output | 2,800 W. Show sourceclaimed sourceaferiy.com ↗ | 1,500 W. Show sourceclaimed sourceankersolix.com ↗ |
| Surge power output | 5,600 W. Show sourceclaimed sourceaferiy.com ↗ | — |
| Max solar input | 1,200 W. Show sourceclaimed sourceaferiy.com ↗ | 400 W. Show sourceclaimed sourceankersolix.com ↗ |
| Weight | 21.6 kg. Show sourceclaimed sourceaferiy.com ↗ | 16.2 kg. Show sourceclaimed sourceankersolix.com ↗ |
| Rated cycle life | 4,000 cycles. Show sourceclaimed sourceaferiy.com ↗ | 6,000 cycles. Show sourceclaimed sourceankersolix.com ↗ |
Manufacturer figures unless marked verified or est. Tap or focus a figure to view its source. The better reading in each row is highlighted — lower wins for weight and recharge time.
Price & fair-price verdict
Each verdict compares today's price against that model's own tracked history — never MSRP theater.
Where these rank
Quick answers
- Is the Aferiy P280 better than the Anker SOLIX S2000?
- Aferiy P280 leads by 29 points overall. No price call today — the performance leader has no tracked street price yet.
- Which has more usable capacity, the Aferiy P280 or Anker SOLIX S2000?
- Neither, in any way you would notice: 1,567 Wh against 1,538 Wh is a 1.9% gap, which is smaller than the swing you get from running the same load on a cold morning. Treat them as the same size and decide on output, weight, or today's price instead. Both figures are estimated AC-delivered energy, not the nameplate battery rating — the watt-hours that actually reach your devices.
- Which has more AC output, the Aferiy P280 or Anker SOLIX S2000?
- The Aferiy P280: 2,800 W versus 1,500 W continuous. That gap matters only if a load sits between the two numbers — below 1,500 W both run it, above 2,800 W neither does. Neither model publishes a surge figure we can source, so startup capability is unresolved here — check it before planning around a motor or compressor load.
- How does runtime compare between the Aferiy P280 and Anker SOLIX S2000?
- They run within 1.9% of each other on the same load — about 24.9 hours each on a refrigerator (full-size). Runtime will not separate these two; the deciding factor is somewhere else.
- Which is lighter, the Aferiy P280 or Anker SOLIX S2000?
- The Anker SOLIX S2000, by 5.4 kg (16.2 kg versus 21.6 kg). Both weights are manufacturer figures for the bare unit; cables and a solar panel add to whatever you actually carry.
- Which model should I buy for my use case?
- On the sub-scores that describe each use case: the Aferiy P280 for home backup; the Anker SOLIX S2000 for camping & rv. They split, so the honest answer depends on which of those you are actually buying for.
Keep deciding
- Full scorecard, specs & price for Aferiy P280 →
- Full scorecard, specs & price for Anker SOLIX S2000 →
- See more alternatives to Aferiy P280 →
- See more alternatives to Anker SOLIX S2000 →
- What size do you need? →
- Browse all rankings →
- Check device runtime evidence →
- Compare outage and trip load plans →
- Browse complete power kits →
- Capacity vs output explained →
- Battery cycle-life thresholds →
- UPS behavior explained →