Goal Zero Yeti 1500 6th gen (LiFePO4)
48BatteryRank score · Limited
$1,499.95as of
Fair price← CompareCheck price on Amazon 
Check price on Amazon
Goal Zero Yeti 1500 6th gen (LiFePO4) vs VTOMAN FlashSpeed 1000
Decision readout
Better station
Goal Zero Yeti 1500 6th gen (LiFePO4) leads by 16 points overall.
Better buy today
No purchase urgency: the performance leader is not at a Good or Great price today.
VTOMAN FlashSpeed 1000
32BatteryRank score · Limited
$389.99as of
Fair priceWhat changes the decision
- Home backup: VTOMAN FlashSpeed 1000 — stronger combined capacity and AC-output score
- Camping & RV: Goal Zero Yeti 1500 6th gen (LiFePO4) — lighter and easier to carry
01 · Score evidence
Score breakdown
48
Goal Zero Yeti 1500 6th gen (LiFePO4)
Overall
32
VTOMAN FlashSpeed 1000
27
POWER
VTOMAN FlashSpeed 1000 +10
37
Battery-side usable capacity and how much you can run at once.
84
TRUST
Goal Zero Yeti 1500 6th gen (LiFePO4) +49
35
Owner reputation, safety record, warranty, and build durability.
72
CHARGING
Goal Zero Yeti 1500 6th gen (LiFePO4) +50
22
Wall and solar recharge speed.
37
LIVABILITY
Goal Zero Yeti 1500 6th gen (LiFePO4) +18
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.
Goal Zero Yeti 1500 6th gen (LiFePO4)
Rated (on the box)
1,505 Wh. Show source
claimed sourcegoalzero.com ↗2026-07-04The marketing number — total cell capacity.
AC delivered (est.)
1,279 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 | Goal Zero Yeti 1500 6th gen (LiFePO4) | VTOMAN FlashSpeed 1000 | Assumption |
|---|---|---|---|
| CPAP (humidifier off) | about 17.8 nights | about 9.8 nights | 9 W · |
| CPAP (heated humidifier on) | about 2.9 nights | about 1.6 nights | 56 W · |
| Refrigerator (full-size) | about 20 hours | about 11 hours | 180 W × 35% duty cycle · |
| Wi-Fi router + modem | about 71 hours | about 39 hours | 18 W · |
| Laptop (65W charger) | about 39 hours | about 22 hours | 65 W × 50% duty cycle · |
| Phone (one full charge) | about 63 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 | Goal Zero Yeti 1500 6th gen (LiFePO4) | VTOMAN FlashSpeed 1000 |
|---|---|---|
| AC-delivered capacity | 1,279 Whest.. Show sourceestimated sourcegoalzero.com ↗2026-07-04 | 704 Whest.. Show sourceestimated sourcevtoman.com ↗2026-07-05 |
| Continuous power output | 2,000 W. Show sourceclaimed sourcegoalzero.com ↗ | 1,000 W. Show sourceclaimed sourcevtoman.com ↗ |
| Surge power output | 3,600 W. Show sourceclaimed sourcegoalzero.com ↗ | 2,000 W. Show sourceclaimed sourcevtoman.com ↗ |
| Max solar input | 900 W. Show sourceclaimed sourcegoalzero.com ↗ | 300 W. Show sourceclaimed sourcevtoman.com ↗ |
| AC charge time (0–100%) | 66 min. Show sourceclaimed sourcegoalzero.com ↗ | 70 min. Show sourceclaimed sourcevtoman.com ↗ |
| Weight | 23.9 kg. Show sourceclaimed sourcegoalzero.com ↗ | 14.4 kg. Show sourceclaimed sourcevtoman.com ↗ |
| Rated cycle life | 4,000 cycles. Show sourceclaimed sourcegoalzero.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.
05 · Tracked street price
Price & fair-price verdict
Goal Zero Yeti 1500 6th gen (LiFePO4)
$1,499.95as of Fair price
Each verdict compares today's price against that model's own tracked history — never MSRP theater.
Quick answers
- Is the Goal Zero Yeti 1500 6th gen (LiFePO4) better than the VTOMAN FlashSpeed 1000?
- Goal Zero Yeti 1500 6th gen (LiFePO4) leads by 16 points overall. No purchase urgency: the performance leader is not at a Good or Great price today.
- How are these two power stations compared?
- Both are scored by the BatteryRank formula across four pillars — power, trust, charging, and livability — over sourced specs, owner reputation, and durability. Capacity scoring uses battery-side usable watt-hours; this page separately shows estimated or measured AC-delivered capacity. Price is shown against each model's own history, and the score is price-independent.
- Which has more usable capacity, the Goal Zero Yeti 1500 6th gen (LiFePO4) or VTOMAN FlashSpeed 1000?
- Use the capacity-truth section for the model-specific comparison. It separates rated battery energy from estimated or independently measured AC-delivered energy, so nameplate watt-hours are not mistaken for outlet runtime.
- Which has more AC output, the Goal Zero Yeti 1500 6th gen (LiFePO4) or VTOMAN FlashSpeed 1000?
- The key-differences table compares continuous inverter output and surge output when both sourced readings exist. A missing input stays N/A and never creates a winner.
- Which is lighter, the Goal Zero Yeti 1500 6th gen (LiFePO4) or VTOMAN FlashSpeed 1000?
- The key-differences table marks the lighter station only when both manufacturer-sourced weight readings are present. Open each model dossier for dimensions and the full portability context.
- Which is the better price today, the Goal Zero Yeti 1500 6th gen (LiFePO4) or VTOMAN FlashSpeed 1000?
- The decision dashboard evaluates each timestamped street price against that model's own tracked history. Price is separate from the quality score, and no deal claim appears without sufficient history.
- How does runtime compare between the Goal Zero Yeti 1500 6th gen (LiFePO4) and VTOMAN FlashSpeed 1000?
- The runtime table uses the same sourced device loads and each model's AC-delivered capacity. Results are planning estimates, not hands-on tests, and appear only when both models have enough data.
- Which model should I buy for my use case?
- Use the persona-fit section as a starting point, then confirm required output, runtime, charging, portability, and today's price. BatteryRank declares a use-case winner only when both sides have the needed inputs.
Keep deciding
- Full scorecard, specs & price for Goal Zero Yeti 1500 6th gen (LiFePO4) →
- Full scorecard, specs & price for VTOMAN FlashSpeed 1000 →
- See more alternatives to Goal Zero Yeti 1500 6th gen (LiFePO4) →
- 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 →