DJI Power 1000 V2 vs VTOMAN FlashSpeed 1000
DJI Power 1000 V2 leads by 41 points overall.
- Home backup: DJI Power 1000 V2 — more AC-delivered capacity and higher AC output
- Camping & RV: DJI Power 1000 V2 — lighter and easier to carry
By the BatteryRank Engineering Team
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.
1,024 Wh. Show source
claimed sourcedjiusa.com ↗2026-07-04The marketing number — total cell capacity.
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.
828 Wh. Show source
claimed sourcevtoman.com ↗2026-07-05The marketing number — total cell capacity.
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.
Same-device runtime
| Device | DJI Power 1000 V2 | 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 →
Key specs, side by side
| Spec | DJI Power 1000 V2 | VTOMAN FlashSpeed 1000 |
|---|---|---|
| AC-delivered capacity | 870 Whest.. Show sourceestimated sourcedjiusa.com ↗2026-07-04 | 704 Whest.. Show sourceestimated sourcevtoman.com ↗2026-07-05 |
| Continuous power output | 2,600 W. Show sourceclaimed sourcedjiusa.com ↗2026-07-04 | 1,000 W. Show sourceclaimed sourcevtoman.com ↗2026-07-05 |
| Surge power output | — | 2,000 W. Show sourceclaimed sourcevtoman.com ↗2026-07-05 |
| Max solar input | 1,800 W. Show sourceclaimed sourcedjiusa.com ↗2026-07-04 | 300 W. Show sourceclaimed sourcevtoman.com ↗2026-07-05 |
| AC charge time (0–100%) | 56 min. Show sourceclaimed sourcedjiusa.com ↗2026-07-04 | 70 min. Show sourceclaimed sourcevtoman.com ↗2026-07-05 |
| Weight | 14 kg. Show sourceclaimed sourcedjiusa.com ↗2026-07-04 | 14.4 kg. Show sourceclaimed sourcevtoman.com ↗2026-07-05 |
| Rated cycle life | 4,000 cycles. Show sourceclaimed sourcedjiusa.com ↗2026-07-04 | 3,000 cycles. Show sourceclaimed sourcevtoman.com ↗2026-07-05 |
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
Where to buy
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DJI Power 1000 V2
VTOMAN FlashSpeed 1000
Quick answers
- Is the DJI Power 1000 V2 better than the VTOMAN FlashSpeed 1000?
- DJI Power 1000 V2 leads by 41 points overall.
- Which has more usable capacity, the DJI Power 1000 V2 or VTOMAN FlashSpeed 1000?
- The DJI Power 1000 V2, 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 DJI Power 1000 V2 or VTOMAN FlashSpeed 1000?
- The DJI Power 1000 V2: 2,600 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 2,600 W neither does. Only the VTOMAN FlashSpeed 1000 publishes a sourced surge figure (2,000 W); the DJI Power 1000 V2 has no sourced surge figure, so startup capability is only half-answered here — check the missing side before planning around a motor or compressor load.
- How does runtime compare between the DJI Power 1000 V2 and VTOMAN FlashSpeed 1000?
- On the same sourced load — a refrigerator (full-size) — the DJI Power 1000 V2 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 DJI Power 1000 V2 or VTOMAN FlashSpeed 1000?
- They are effectively the same to carry — 14 kg against 14.4 kg. Neither is meaningfully easier to move, so portability should not decide this one.
- Which recharges faster from the wall, the DJI Power 1000 V2 or VTOMAN FlashSpeed 1000?
- The DJI Power 1000 V2: 56 minutes from empty to full against 70 minutes, a difference of 14 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 DJI Power 1000 V2 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 DJI Power 1000 V2 →
- Full scorecard, specs & price for VTOMAN FlashSpeed 1000 →
- See more alternatives to DJI Power 1000 V2 →
- 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 →

