The Joyetech eGo AIO 2 and VOOPOO Drag H40 Pro represent two different approaches to vaping: a simple, lightweight pen-style device versus a larger, feature-rich mod. Comparing them on paper highlights where each one actually delivers.
This breakdown sticks to the documented specs for battery, performance, and day-to-day convenience, calling out ties and gaps in the data rather than guessing.
| Spec | Joyetech eGo AIO 2 | VOOPOO Drag H40 Pro |
|---|---|---|
| Image |  |  |
| Battery capacityBattery | 1700 mAh | 🏆 2450 mAh |
| Max outputPerformance | 20 W | 🏆 40 W |
| Battery typeBattery | Internal | Internal |
| Display screenConvenience | No | 🏆 Yes |
| Adjustable airflowConvenience | Yes | Yes |
| Variable wattagePerformance | No | 🏆 Yes |
| Charge time to 80%Battery | 🏆 1.5 min | 45 min |
| Charge currentBattery | 1 A | 🏆 2 A |
| WeightConvenience | 🏆 70 g | 120 g |
| Coil resistancesPerformance | 0.8 ohm | 0.3–3.0 Ω |
| Charging portBattery | USB-C | USB Type-C |
| Build materialConvenience | pen-sized shell | Zinc Alloy + Leather |
| Best US priceat time of comparison | $14.77* | $26.99* |
| Read Review & Best Price | Read Review & Best Price |
* Lowest US price we found on 20 Aug 2026. Prices change often — see each review below for live pricing.
Battery
This category is a tie. The VOOPOO Drag H40 Pro has a larger battery capacity at 2450 mAh compared to the Joyetech eGo AIO 2’s 1700 mAh, and its 2 A charge current is higher than the AIO 2’s 1 A. But the eGo AIO 2 charges to 80% in just 1.5 minutes, versus 45 minutes for the Drag H40 Pro, and both use an internal battery type, so there’s no comparable data there. With capacity and charge current favoring one device and charge speed favoring the other, neither comes out ahead overall.
Performance
The VOOPOO Drag H40 Pro wins on performance. Its 40 W max output doubles the eGo AIO 2’s 20 W, and it adds variable wattage control that the eGo AIO 2 lacks entirely. Both devices offer adjustable airflow, so that aspect is a tie, but the coil resistance ranges aren’t directly comparable since the eGo AIO 2 uses a single 0.8 ohm coil while the Drag H40 Pro spans 0.3–3.0 Ω, meaning the Drag H40 Pro simply gives more room to adjust power delivery.
Convenience
The VOOPOO Drag H40 Pro takes this category thanks to its display screen, which the eGo AIO 2 does not have, giving users a way to check settings and battery status at a glance. The eGo AIO 2 counters with a lighter build at 70 g versus 120 g, which matters for pocket carry, but this isn’t enough to offset the added display and control functionality on the Drag H40 Pro. Build materials and charging port type differ (pen-sized shell vs. Zinc Alloy and leather, USB-C vs. USB Type-C) but aren’t comparable in a meaningful way based on the data given.
The Joyetech eGo AIO 2 suits someone who wants a lightweight, simple device with very fast charge-to-80% times and isn't looking for adjustable wattage or a screen.
The VOOPOO Drag H40 Pro suits someone who wants higher wattage, variable wattage control, and a display screen, and doesn't mind a heavier device or longer charge time.
The verdict
Neither device sweeps the comparison. Battery is a genuine tie, since the Drag H40 Pro’s larger capacity and faster charge current are balanced against the eGo AIO 2’s dramatically quicker charge-to-80% time. The Drag H40 Pro clearly wins on performance and convenience, backed by higher wattage, variable wattage control, and a display screen. The eGo AIO 2’s advantages are narrower: quick top-ups and a lighter body. The right pick depends on whether raw features and control matter more than simplicity and light weight.