Portable Blender Buying Guide: 7 Things to Look For Before You Buy

A portable blender should make your routine easier, not become another gadget that lives in a cupboard. The useful question is not simply “which one has the biggest motor?” It is whether the blender’s size, capacity, charging setup and cleaning routine actually fit the way you plan to use it.

1. Start with capacity, not marketing

Capacity changes how a portable blender feels in everyday use. A smaller bottle is easier to carry and takes up less space in a work bag. A larger bottle gives you more room for bigger smoothies, protein shakes or more ingredients without blending in multiple batches.

For context, the original Smothie uses a compact 350ml bottle, while Smothie Plus increases that to 500ml. Neither size is automatically “better”; they are aimed at different routines.

Simple rule: choose the smallest capacity that comfortably fits what you normally drink. Portability becomes less useful if the bottle is much larger than you need.

2. Check how it charges

A cordless blender is only convenient if charging it is easy. Look at the charging connection, how often you expect to use the blender and where you will normally recharge it.

USB-C can be particularly convenient if you already use USB-C chargers for phones, laptops or other devices. Smothie Plus uses USB-C charging and is designed with longer battery life than the original Smothie. If charging convenience matters to you, that difference is worth considering.

3. Think about where it will actually live

“Portable” can mean very different things. For one person, the blender stays on an office desk. For someone else, it goes between home, university, the gym and weekends away.

Before buying, picture the blender in your real routine:

• Will it fit in the bag you normally carry?
• Do you want to drink directly from the same bottle?
• Will you regularly carry it while full?
• Do you need the smallest possible footprint, or is extra capacity more important?

The original Smothie is the more compact option. Smothie Plus keeps the same cordless idea but adds more capacity and upgraded performance.

Choosing a blender for a small apartment or student kitchen

If counter space is limited, the best blender is often the one you can store easily and actually use. Before buying for a small apartment, shared flat or student kitchen, think about more than the size of the blender bottle:

• Storage footprint: Will it fit comfortably in a cupboard, on a shelf or in a drawer-accessible spot without leaving a full-size base on your worktop?
• Portion size: If you usually make one smoothie or protein shake, a personal-sized blender may be more practical than a large jug.
• Power access: Rechargeable models avoid needing a plug socket during each blend, but still need somewhere safe and convenient to charge.
• Cleaning and noise: Choose a format you can clean promptly in a shared sink, and consider when blending will disturb housemates.

For everyday single servings, the 350ml Smothie is the smaller option. If you prefer a bigger drink without giving up the portable format, the 500ml Smothie Plus offers more room. A full-size countertop blender remains the better fit for larger batches or more demanding food preparation.

4. Match the blender to what you actually make

Portable blenders are best thought of as compact everyday drink makers rather than miniature versions of every countertop appliance. Smoothies, protein shakes and fresh fruit blends are natural use cases.

If your usual drinks are mostly liquid, soft fruit, protein powder and similar ingredients, a compact model may be all you need. If you prefer larger portions or routinely load more ingredients into one blend, the extra capacity of a larger model can be useful.

For recipe ideas, our Smothie recipe library shows the sort of drinks a portable blender fits into well.

5. Do not ignore cleaning

A blender that is annoying to clean is a blender you use less often. Look for a design where the parts that touch food can be rinsed promptly after use and where the bottle shape is easy to reach.

Both Smothie models are designed so the detachable parts can be rinsed with soap and water after blending. The important habit is speed: residue is much easier to remove before it dries.

Our portable blender cleaning guide covers the routine in more detail.

6. Prioritise useful upgrades over impressive-sounding specs

Product pages can make every specification sound essential. In practice, a few upgrades matter more than a long list of numbers: more usable capacity, stronger everyday performance, convenient charging and a battery that fits your usage pattern.

That is also the practical difference between Purple Wave’s two models. Smothie focuses on compact everyday portability. Smothie Plus adds a 500ml bottle, stronger performance, longer battery life and USB-C charging.

7. Compare the whole routine, not one feature

The bottom line

The best portable blender for you is the one that removes friction from your routine. Capacity, charging, portability and cleaning will affect everyday use far more than a long specification sheet you never think about again.

If you want to see the Purple Wave options side by side, compare Smothie and Smothie Plus.