Eva-Dry E-333 Wireless Mini Dehumidifier
- Dehumidification Capacity: 6.1 fl oz
- Floor Area: 333 sq ft
- Tank Volume: 6 fl oz
- Operation Mode: Continuous
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A rechargeable, cordless mini dehumidifier for enclosed spaces up to 333 cubic feet, using silica gel beads that dry out for reuse instead of a disposable tub.
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ASIN: B000H0XFCSModel: E-333Category: Dehumidifiers
Overview
The Eva-Dry E-333 is a rechargeable, cordless mini dehumidifier that hangs or sits in enclosed spaces up to 333 cubic feet. Silica gel beads absorb up to 6 oz of moisture before you plug it in to dry them out and reuse it, rather than throwing the whole unit away.
Where a disposable tub gets thrown out every couple of months, the E-333 works by recharging: plug it in until the indicator window clears, then hang it again.
- Covers enclosed spaces up to 333 cubic feet
- Absorbs up to 6 oz of moisture per charge cycle
- Cordless while running, plugs in only to recharge
- Owners report continued use after a decade with periodic recharging
Who it's for
Suits anyone with a sealed or semi-sealed small space that traps moisture: gun safes, closets, boats, cars and cabinets. It is not built for an open room or a basement, where a compressor dehumidifier or a larger moisture-absorbing bucket will do more.
Pros and cons
- Reusable for years instead of buying disposable tubs
- Fits tight spaces like safes, cabinets and car interiors
- Simple color-change window shows when it needs recharging
- Gets warm while recharging, so cord quality matters
- Recharge cycle takes several hours
- A few owners saw the beads wear out sooner than the stated multi-year life
Specifications
| Brand | Eva-Dry |
|---|---|
| Model | E-333 |
| Dimensions & fit | |
| Item Weight | 1.5 pounds |
| Item Dimensions D X W X H | 6.2 × 1.2 × 4.8 inches |
| Capacity & performance | |
| Dehumidification Capacity | 6.1 fl oz |
| Tank Volume | 6 fl oz |
| Number Of Speeds | 1 |
| Upper Temperature Rating | 105 °F |
| Capacity | 6 ounces |
| Power & efficiency | |
| Wattage | 22 watts |
| Voltage | 110 volts |
| Construction & materials | |
| Material | Plastic |
| Color | White Sand |
| Included components | |
| Number Of Packs | 1 |
| Unit Count | 1 |
| Included Components | Hanging Hook |
| Warranty & support | |
| Warranty Description | 5 years |
| Other details | |
| Floor Area | 333 sq ft |
| Operation Mode | Continuous |
| Number Of Items | 1 |
| Recommended Uses For Product | Residential |
| Other Special Features Of The Product | Renewable Solution To Excess Moisture |
| Part Number | E333 |
| Item Type Name | Mini Dehumidifier |
Frequently asked questions
Does the Eva-Dry E-333 need batteries or a power cord to run?
No, once charged it runs cordless and battery-free; you only plug it in when it needs recharging.
How long does one charge of the Eva-Dry E-333 last?
Typically 20 to 30 days before the silica gel beads need recharging, depending on humidity levels.
What size space is the Eva-Dry E-333 rated for?
It is rated for enclosed spaces up to about 333 cubic feet, such as a safe, closet, car or gun cabinet.