The complete guide
How to Choose a Portable Camping Shower That Actually Works
The problem with washing away from home
Anyone who has camped for more than two nights knows the moment. You are covered in sunscreen, dust and campfire smoke, the nearest shower block is a 20 minute drive, and the only water you have is sitting in a jerry can in the boot. So you make do. You tip a bottle over your head, half of it runs down your back before you get the soap off, and you end up colder and only slightly cleaner.
The same problem shows up in a lot of places that are not campsites. The dog rolls in something foul at the beach and the car is parked 300 metres from the nearest tap. You come off the trail with mud to the knees and nowhere to rinse before getting into the car. You are living out of a van for a fortnight and there is no plumbing in it yet.
A portable camping shower solves all of those with the same bit of kit. It is a small submersible pump, a hose and a shower head, powered by a battery. Put the pump in water, turn it on, and you have a spray that behaves like a real shower rather than a slow trickle.
How a battery shower pump works
The idea is simple. The pump drops into your water container and pushes water up the hose to the head. There is no mains lead, no gas bottle, no hand pumping and nothing to inflate. The whole thing runs off an internal battery.
In this unit, that battery is two 2400mAh lithium-ion cells, 4800mAh in total, running at 3.7 volts. It charges over a standard 5V USB input, which is the detail that makes it genuinely useful off grid. A power bank, a car USB socket or a laptop port will all refill it. With a 5V/2A charger you are looking at about three hours from flat. A blue light tells you it is charging and a red light warns you the charge is getting low.
Flow is switchable. Low runs at 3 litres per minute and high at 4 litres per minute. That might not sound like a big difference, but it is. Low is what you use when a bucket has to last. High is what you use when you are chasing sand out of a dog's coat or mud off a mountain bike.
The shower head has its own flow control dial and a shut-off valve. That second feature is the one that saves the most water. You wet down, close the valve, soap up at your own pace, then open it again to rinse. Without a shut-off, you are either running the pump the whole time or reaching back to the unit with soapy hands.
There is also a filter built into the pump. It is easy to skip past that in a spec list, but it is the difference between a pump that lasts a few seasons and one that seizes after a trip. Sand and grit are what destroy small impellers. The filter catches the worst of it and comes out for cleaning.
Who it suits
Car campers get the most obvious use out of it. Fill a jerry can, leave it in the sun, and you have a warm shower at the end of the day without booking a powered site.
Dog owners are the quiet second group. The best dog washing shower is usually the one that is already in the boot, and a battery pump with a gentle low setting is far less frightening for a nervous dog than a high pressure hose. Beach rinses, muddy paws, post-swim coats, it handles all of them.
Surfers, swimmers and paddlers use it for rinsing salt off themselves and their gear in the car park. Salt is corrosive and the sooner it comes off a wetsuit or a board, the longer the gear lasts.
Van and caravan owners often use one while the real plumbing is still a plan. It gives you an outdoor shower at the back doors without cutting holes in anything.
Then there is the home use that nobody expects when they buy it. Watering pots from a rain barrel. Rinsing boots at the back door. Washing a car on a driveway with no outside tap. Filling and emptying things. It quietly becomes one of the most used items in the garage.
What to look for when you are comparing
Power source. The main split in this category is between USB rechargeable units, 12V units that clip onto a car battery, and manual pump or gravity bags. USB rechargeable is the most flexible, because almost everyone already carries something that can charge it. A 12V camping shower that needs the vehicle running is less useful once you walk away from the car.
Battery capacity. 4800mAh is a reasonable size for this class. What matters more than the headline number is whether there is a low-charge warning, because the worst outcome is a pump dying when you are covered in soap. A red low-current light sorts that out.
Flow rate and control. Two settings beat one. A fixed high-flow pump drains a bucket fast, and a fixed low-flow pump feels weak when you need to shift mud. Also check that the shut-off is on the shower head, not back at the pump.
Filtration. If you plan to pump from anything other than clean tap water, a filter is not optional. Creek water, tank water and the dregs of a camp bucket all carry debris.
Water rating. The pump sits underwater, so an immersion rating matters. This unit is rated IPX7, with RoHS and FCC markings as well.
Hose length. About 210 cm gives you enough to hang the head overhead from a branch, an awning pole or a roof bar while the pump stays in a bucket on the ground. Shorter hoses force you to hold the head at waist level, which is a worse shower.
Packed size. The kit here packs to roughly 27 by 21 by 8 cm at about 830 grams. That fits in a camp box or a boot without argument. If you are hiking in, weight matters more and you should think carefully about whether you need the pump at all.
Getting warm water
The pump does not heat anything, so the warmth is up to you. The simplest method is sunlight. A dark bucket or a black water bag left out from mid-morning will be pleasant by late afternoon, depending on the season and how much shade moves across it.
The second method is mixing. Boil a kettle or heat water over the fire, pour it into a bucket of cold water, stir it properly and check it with your hand before the pump goes in. The stated range for this unit is 5 to 50 degrees Celsius, so do not tip boiling water straight on top of the pump.
A third trick for cold mornings is using less water but hotter. Two litres of warm water through the low setting with the shut-off valve used properly will get you clean, and it heats much faster than ten.
Looking after it
Maintenance takes about a minute and makes a real difference.
Rinse the whole system with clean fresh water after every use. That means running a bucket of clean water through the pump, hose and head for a minute. It matters most after salt water and after soapy water, since soap residue gums up small parts.
Let everything dry before it goes back in the bag. Packing a wet hose away is how you get a musty smell and, eventually, mould.
Pull out the filter screen now and then and rinse the grit out under a tap. If you notice the flow dropping, that is the first thing to check.
For storage, keep the battery somewhere in the middle of its charge rather than flat. Lithium cells do not like sitting empty for months. A top-up every couple of months during the off season is enough. Store it out of direct sun and avoid leaving sharp kinks in the hose.
The short version
A portable camping shower is one of those purchases that seems like a luxury until the first time you use it, and then it lives permanently in the car. This one runs on a 4800mAh rechargeable battery charged over USB, gives you 3 or 4 litres per minute depending on the setting, filters the water on the way in, and has a shut-off valve on the head so you are not wasting what you carried in.
It will not heat your water for you and it is not a pressure washer. What it will do is turn a bucket into a real shower, in a campsite, a beach car park, a driveway or the back of a van. Charge it the night before you leave, throw a power bank in the bag, and you are set.