Anker SOLIX C1000 Gen 2
68BatteryRank score · Balanced
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Anker SOLIX C1000 Gen 2 vs VTOMAN FlashSpeed 1000
Decision readout
Better station
Anker SOLIX C1000 Gen 2 leads by 38 points overall.
VTOMAN FlashSpeed 1000
30BatteryRank score · Limited
What changes the decision
- Home backup: Anker SOLIX C1000 Gen 2 — more AC-delivered capacity and higher AC output
- Camping & RV: Anker SOLIX C1000 Gen 2 — lighter and easier to carry
01 · Score evidence
Score breakdown
68
Anker SOLIX C1000 Gen 2
Overall
30
VTOMAN FlashSpeed 1000
49
POWER
Anker SOLIX C1000 Gen 2 +11
38
Battery-side usable capacity and how much you can run at once.
79
TRUST
Anker SOLIX C1000 Gen 2 +45
34
Owner reputation, safety record, warranty, and build durability.
84
CHARGING
Anker SOLIX C1000 Gen 2 +68
16
Wall and solar recharge speed.
84
LIVABILITY
Anker SOLIX C1000 Gen 2 +65
19
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.
02 · Usable energy
Capacity truth
The watt-hours on the box aren't what reaches your devices. Same scale, both units.
Anker SOLIX C1000 Gen 2
Rated (on the box)
1,024 Wh. Show source
claimed sourceankersolix.com ↗2026-07-04The marketing number — total cell capacity.
AC delivered (est.)
870 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.
VTOMAN FlashSpeed 1000
Rated (on the box)
828 Wh. Show source
claimed sourcevtoman.com ↗2026-07-05The marketing number — total cell capacity.
AC delivered (est.)
704 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.
03 · Same assumptions
Same-device runtime
| Device | Anker SOLIX C1000 Gen 2 | VTOMAN FlashSpeed 1000 | Assumption |
|---|---|---|---|
| CPAP (humidifier off) | about 12.1 nights | about 9.8 nights | 9 W · |
| CPAP (heated humidifier on) | about 1.9 nights | about 1.6 nights | 56 W · |
| Refrigerator (full-size) | about 14 hours | about 11 hours | 180 W × 35% duty cycle · |
| Wi-Fi router + modem | about 48 hours | about 39 hours | 18 W · |
| Laptop (65W charger) | about 27 hours | about 22 hours | 65 W × 50% duty cycle · |
| Phone (one full charge) | about 43 full charges | about 35 full charges | 20 W · |
One device at a time; estimates use each station's usable AC energy. Build your own load →
04 · Sourced hardware
Key specs, side by side
| Spec | Anker SOLIX C1000 Gen 2 | VTOMAN FlashSpeed 1000 |
|---|---|---|
| AC-delivered capacity | 870 Whest.. Show sourceestimated sourceankersolix.com ↗2026-07-04 | 704 Whest.. Show sourceestimated sourcevtoman.com ↗2026-07-05 |
| Continuous power output | 2,000 W. Show sourceclaimed sourceankersolix.com ↗ | 1,000 W. Show sourceclaimed sourcevtoman.com ↗ |
| Surge power output | 3,000 W. Show sourceclaimed sourceankersolix.com ↗ | 2,000 W. Show sourceclaimed sourcevtoman.com ↗ |
| Max solar input | 600 W. Show sourceclaimed sourceankersolix.com ↗ | 300 W. Show sourceclaimed sourcevtoman.com ↗ |
| AC charge time (0–100%) | 49 min. Show sourceclaimed sourceankersolix.com ↗ | 70 min. Show sourceclaimed sourcevtoman.com ↗ |
| Weight | 11.3 kg. Show sourceclaimed sourceankersolix.com ↗ | 14.4 kg. Show sourceclaimed sourcevtoman.com ↗ |
| Rated cycle life | 4,000 cycles. Show sourceclaimed sourceankersolix.com ↗ | 3,000 cycles. Show sourceclaimed sourcevtoman.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.
Where these rank
- Anker SOLIX C1000 Gen 2 #2 of 10 in Most Inverter Output per Pound · #3 Midsize (1 kWh class) in Best Portable Power Stations
Quick answers
- Is the Anker SOLIX C1000 Gen 2 better than the VTOMAN FlashSpeed 1000?
- Anker SOLIX C1000 Gen 2 leads by 38 points overall.
- Which has more usable capacity, the Anker SOLIX C1000 Gen 2 or VTOMAN FlashSpeed 1000?
- The Anker SOLIX C1000 Gen 2, by 166 Wh — 870 Wh versus 704 Wh, a 24% advantage. At a 60 W load that is roughly 2.8 extra hours before the battery is empty. Both figures are estimated AC-delivered energy, not the nameplate battery rating — the watt-hours that actually reach your devices, which is always less than the number on the box.
- Which has more AC output, the Anker SOLIX C1000 Gen 2 or VTOMAN FlashSpeed 1000?
- The Anker SOLIX C1000 Gen 2: 2,000 W versus 1,000 W continuous. That gap matters only if a load sits between the two numbers — below 1,000 W both run it, above 2,000 W neither does. Surge headroom follows the same order: 3,000 W against 2,000 W, and surge is what decides whether a compressor or pump actually starts.
- How does runtime compare between the Anker SOLIX C1000 Gen 2 and VTOMAN FlashSpeed 1000?
- On the same sourced load — a refrigerator (full-size) — the Anker SOLIX C1000 Gen 2 runs longer: 13.8 hours against 11.2. These are planning estimates from each model's AC-delivered capacity, not stopwatch tests; real duty cycle and temperature move them.
- Which is lighter, the Anker SOLIX C1000 Gen 2 or VTOMAN FlashSpeed 1000?
- The Anker SOLIX C1000 Gen 2, by 3.1 kg (11.3 kg versus 14.4 kg). Both weights are manufacturer figures for the bare unit; cables and a solar panel add to whatever you actually carry.
- Which recharges faster from the wall, the Anker SOLIX C1000 Gen 2 or VTOMAN FlashSpeed 1000?
- The Anker SOLIX C1000 Gen 2: 49 minutes from empty to full against 70 minutes, a difference of 21 minutes. This matters most between outages and during a short grid window — if you only ever recharge overnight, it does not matter at all.
- Which model should I buy for my use case?
- On the sub-scores that describe each use case: the Anker SOLIX C1000 Gen 2 for home backup, camping & rv. One model leads every use case we score here, which makes this an unusually clean choice.
Keep deciding
- Full scorecard, specs & price for Anker SOLIX C1000 Gen 2 →
- Full scorecard, specs & price for VTOMAN FlashSpeed 1000 →
- See more alternatives to Anker SOLIX C1000 Gen 2 →
- See more alternatives to VTOMAN FlashSpeed 1000 →
- 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 →