Earth Pak Original Waterproof Dry Bag 20L, Roll-Top Closure, 500D PVC, IPX5 vs EF ECOFLOW Portable Power Station DELTA 2, 1024Wh LiFePO4 (LFP) Battery, 1800W AC/100W USB-C Output
Head-to-head spec comparison to help you pick the right kit component for your needs.

Earth Pak
$28

EcoFlow
$449
Verdict
It's a Tie
The Earth Pak Original Waterproof Dry Bag 20L, Roll-Top Closure, 500D PVC, IPX5 and EF ECOFLOW Portable Power Station DELTA 2, 1024Wh LiFePO4 (LFP) Battery, 1800W AC/100W USB-C Output are evenly matched. Your choice depends on which features matter most to you.
Spec-by-Spec Comparison
| Spec | Earth Pak Original Waterproof Dry Bag 20L, Roll-Top Closure, 500D PVC, IPX5 | EF ECOFLOW Portable Power Station DELTA 2, 1024Wh LiFePO4 (LFP) Battery, 1800W AC/100W USB-C Output |
|---|---|---|
| Kit Role | waterproof dry bag | Whole-home overnight backup; runs CPAP, oxygen concentrator, CPAP humidifier without modification |
| Category | case | power-station |
| Renter Install | No installation — roll top and clip | no install |
| Building Fit | Flexible; fits in any bag or evacuation kit | plug-in |
| Max Power | N/A | 1800 W |
| Channels | N/A | N/A |
| Clear LOS Range | N/A | N/A |
| Coverage | N/A | N/A |
| Battery Life | N/A | N/A |
| Water Resistant | Yes | No |
| SOS Button | No | No |
| Weather Alerts | No | No |
| License Required | No | No |
| Subscription Required | No | No |
| Subscription/mo | 0 $ | 0 $ |
| Price | $28 | $449 |
| Rating | 8.0/10 | 9.0/10 |
| Buy on Amazon | Buy on Amazon |
Pros & Cons
Earth Pak Original Waterproof Dry Bag 20L, Roll-Top Closure, 500D PVC, IPX5
Pros
- 500D PVC construction is genuinely rugged and flood-resistant
- Roll-top closure is foolproof and requires no zippers to fail
- IPX5 rated — handles high-pressure water spray from any angle
- Floats if submerged briefly (5–10 sec)
- Under $30 — low-cost insurance for expensive electronics
Cons
- Not rated for sustained submersion — not for diving or flooding scenario where kit is underwater for minutes
- 20L is adequate but not large enough for full kit in one bag
EF ECOFLOW Portable Power Station DELTA 2, 1024Wh LiFePO4 (LFP) Battery, 1800W AC/100W USB-C Output
Pros
- Pure sine wave inverter (1800W continuous, 2700W surge) — safe for all CPAP machines, oxygen concentrators, and sensitive medical equipment; manufacturer explicitly rates it for medical devices
- 1024Wh LiFePO4 (LFP) battery runs a typical CPAP (30–90W, no humidifier) for 11–30+ hours on one charge
- Charges to 80% in ~50 minutes via AC wall outlet — fast top-up between storms or before a predicted outage
- Six AC outlets (US model) plus USB-C 100W; enough for CPAP, lamp, phone, and medication refrigerator simultaneously
- 10-year LFP battery lifespan (~3000 cycles to 80%) vs. ~500 cycles for older lithium chemistries
Cons
- 26 lbs — heavy for a frail elderly user to move alone; needs a fixed bedside location
- App-based remote monitoring requires smartphone familiarity (app optional, not required for basic use)
- At $449 MSRP it is the most expensive item in this kit; sale prices of $399–$428 are common
- No built-in auto-transfer/UPS — short gap on power loss (milliseconds) vs. true UPS, fine for most CPAPs
Our Verdicts
Earth Pak Original Waterproof Dry Bag 20L, Roll-Top Closure, 500D PVC, IPX5
At under $30, the Earth Pak 20L is the most cost-effective way to protect phones, documents, radios, and chargers from hurricane storm surge and driving rain. The 500D PVC and roll-top closure handle IPX5 conditions reliably; just don't expect it to survive full submersion for more than a few seconds. Buy two and seal the electronics separately.
EF ECOFLOW Portable Power Station DELTA 2, 1024Wh LiFePO4 (LFP) Battery, 1800W AC/100W USB-C Output
The DELTA 2 is the right power station for a caregiver kit: its 1800W continuous pure sine wave inverter and 2700W surge handle every CPAP machine and most home oxygen concentrators (30–500W) without compatibility concerns — the manufacturer explicitly certifies pure sine output. A typical CPAP at 50W draws less than 1/36th of its 1024Wh capacity, yielding 15–20+ hours on a single charge with no habits required beyond plugging in and pressing one button. It is the one piece of equipment that protects the one piece of medical equipment that cannot be skipped.
EF ECOFLOW Portable Power Station DELTA 2, 1024Wh LiFePO4 (LFP) Battery, 1800W AC/100W USB-C Output
$449