By the Joybuy Product Recommendation Officer, July 18, 2026
Tired of juggling a portable charger, a flashlight, a Bluetooth speaker, and a slew of other gadgets every time you travel?? When your travel bag or glove compartment is overflowing, it's a guaranteed headache. The solution?? A multi-function power bank, which combines several devices into one smart, compact unit.
This guide presents our selection of the best models and gives you all the keys to choosing the portable multi-tool gadget that will follow you everywhere: on camping trips, during a long car ride, or simply to be ready for anything in your daily life.
Before you dive in, let's review the key factors that will make a difference depending on your needs.
Capacity, measured in milliampere-hours (mAh), indicates the battery's energy reserve. To charge a modern smartphone once or twice, a capacity of 5,000 to 10,000?mAh is a good starting point. For more power-hungry needs (tablets, multiple recharges), don't hesitate to aim higher. As for the power output, measured in watts (W), it determines how fast your devices charge, as well as the performance of secondary features like the speaker.
The whole point of a multi-function portable charger is its versatility. Identify the features that will be genuinely useful to you:
A high-tech travel accessory should be compact, lightweight, and durable. Check its dimensions, weight, and the quality of its materials. For outdoor use, look for a device with a water-resistance certification (e.g., IPX5) and a reinforced casing for better durability.
Here are three models that caught our eye, each catering to very specific needs.
Why It Stands Out
This Kodak model merges a powerful Bluetooth speaker and a power bank into a rugged chassis. It's the ideal two-in-one solution for those who refuse to sacrifice sound quality on the go. The icing on the cake is the TWS (True Wireless Stereo) function, which allows you to pair two speakers for an even more immersive stereo sound.
Highlights
Who Is It For? This waterproof portable speaker is for music lovers who want to set the mood at a party, on the beach, or while camping, all while keeping a backup battery on hand for their smartphone.
Why It Stands Out
This small device is a true Swiss Army knife for the road. It combines a portable air compressor capable of reinflating a tyre in minutes, a backup battery, and an LED light with an SOS mode. Ultra-compact, it slides easily into a glove compartment or backpack.
Highlights
Who Is It For? The essential accessory for prepared drivers and motorcyclists. It will prove just as useful for cyclists and campers who need to inflate tyres or air mattresses. The perfect addition to any car emergency kit.
Why It Stands Out
The KYF flashlight is the perfect example of a clever and portable multi-tool gadget. It serves as a powerful torch, an ambient lantern, and a power bank, all while attaching anywhere thanks to its magnetic, rotating base. Its compact size makes it an excellent everyday companion.
Highlights
Who Is It For? Perfect for DIY enthusiasts, hikers, and campers looking for minimalist camping gear. It's also an excellent tool to keep at home or in the car for power outages or small repairs.
If these models don't check all your boxes, or if you're looking for a different combination of features, know that there is no shortage of alternatives. The market is full of solutions to meet every specific need.
Discover our full range of portable power banks on Joybuy and find the accessory that will join you on all your adventures.
It all depends on your use case. For occasional use (charging a smartphone once), 5,000?mAh may be enough. For travel, camping, or powering multiple devices, a capacity of 10,000 to 20,000?mAh will be much more comfortable. Keep in mind that secondary features (light, speaker, etc.) also draw from this reserve.
For a driver, it's a real peace of mind. Such a device allows you to top up your tyre pressure anywhere, improving safety and fuel economy. In case of a slow leak, it can save the day and let you reach a garage without having to change to the spare tyre. For leisure, it's also perfect for inflating mattresses, floats, or balls.
Yes, but under certain conditions. Lithium batteries are allowed, but only in your carry-on luggage (never in checked baggage). Most airlines set the limit at 100?Wh (watt-hours). To convert mAh to Wh, the formula is: (mAh / 1000) x Volts = Wh. For example, a 10,000?mAh (10?Ah) battery with a voltage of 3.7?V is equivalent to 37?Wh, which is well within the limit. When in doubt, always check your airline's policy before you fly.