Flextail MAX SHOWER – a portable shower for camping and overlanding
Flextail MAX SHOWER is a compact rechargeable outdoor shower designed to draw water from a separate container. It is a practical solution for campsites, overlanding trips, camper travel and rinsing outdoor equipment after a day on the trail.
Key benefits
- Two flow settings: 2.2 L/min in Low mode and 3.0 L/min in High mode.
- Up to 110 minutes of runtime: the 18.5 Wh battery provides up to 110 minutes in Low mode and up to 70 minutes in High mode.
- 2.2 m hose: gives you useful freedom when positioning the water container beside a vehicle or campsite.
- Low weight: at 305 g, the system is easy to add to an overlanding or camping setup.
- IPX7 rating: specified by FLEXTAIL for the MAX SHOWER system.
- Removable inlet filter: a 20-mesh filter made from 304 stainless steel helps protect the pump inlet.
How does MAX SHOWER work?
The system uses a submersible pump to draw water from your own container and send it through the hose to the shower head. No permanent water installation is required, making it suitable for temporary camps and vehicle-based travel.
Two flow modes
| Mode | Flow rate | Specified runtime | Best suited to |
|---|
| Low | 2.2 L/min | up to 110 min | lower water consumption and longer battery runtime |
| High | 3.0 L/min | up to 70 min | higher flow for showering or rinsing equipment |
Water up to 60°C – no built-in water heating
MAX SHOWER does not heat water. FLEXTAIL specifies that the pump can handle supplied water at temperatures up to 60°C, so warm water must be prepared separately before use.
Filter and pump design
The inlet uses a removable 20-mesh filter made from 304 stainless steel. Its upward-facing intake design is intended to reduce the amount of debris drawn from the bottom of the container. It is not a drinking-water purification system.
Typical applications
- camping and campsites,
- 4x4 and overlanding trips,
- camper and expedition-vehicle travel as a portable shower,
- rinsing camping and outdoor equipment,
- cleaning footwear, bikes or gear after a trail,
- washing a pet while travelling.
Technical specifications
| Specification | Value |
|---|
| Brand | FLEXTAIL |
| Model | MAX SHOWER / OS02 |
| Low flow | 2.2 L/min |
| High flow | 3.0 L/min |
| Low-mode runtime | up to 110 min |
| High-mode runtime | up to 70 min |
| Battery | 18.5 Wh |
| Charging input | 5 V / 2 A, USB-C |
| Hose length | 2.2 m |
| Dimensions | 120 × 69 × 40 mm |
| Weight | 305 g |
| Ingress rating | IPX7 |
| Maximum specified water temperature | 60°C |
| Filter | 20 mesh, removable 304 stainless steel |
Package contents
According to the MAX SHOWER manual, the standard package includes the MAX SHOWER unit with built-in battery, a Type-C cable, instructions and a storage bag. The shower system incorporates the pump, hose and shower head. The EVA Storage Box is not included with this version.
Charging and vehicle use
MAX SHOWER is battery powered and charges through USB-C at 5 V / 2 A. It is not designed for direct 12/24 V connection. When charging it in a vehicle, use a suitable USB power source capable of providing the required input.
Frequently asked questions
Does MAX SHOWER heat the water?
No. It pumps water supplied by the user. FLEXTAIL specifies pump use with water temperatures up to 60°C.
How long does the battery last?
FLEXTAIL specifies up to 110 minutes at 2.2 L/min in Low mode and up to 70 minutes at 3.0 L/min in High mode.
Is the EVA Storage Box included?
No. This is the standard MAX SHOWER version. FLEXTAIL offers the Storage Box separately and as part of the MAX SHOWER with Box variant.
Can it be charged in a vehicle?
Yes, using a suitable USB source providing the required 5 V / 2 A input. The shower itself is not directly powered from a 12/24 V vehicle circuit.
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