Flextail Zero Power 10000mAh Portable Battery (Black)

The Flextail Zero Power 10000mAh is an ultra-compact power bank designed for maximum portability and minimal weight. At just 9.9mm thick and weighing 145g, it's lighter than most smartphones and takes up 55% less space than standard power banks in its class. Its slim design makes it easy to carry in your pocket or backpack, or clip onto your gear for outdoor activities.

Durable carbon fiber housing

The body, made of forged carbon fiber structure, provides exceptional resistance to mechanical damage while maintaining a very low weight. This material, used in high-end models, combines rigidity with structural flexibility, which increases the durability of the device in demanding outdoor conditions. The design remains resistant to impacts, including contact with sharp hiking tools, confirming its suitability for intensive outdoor use.

Smart energy management and high efficiency

The portable battery is equipped with a smart SoC and a high-energy-density cobalt battery, ensuring efficient use of stored energy. The energy conversion efficiency reaches 95%, and energy losses are reduced by up to 30%, increasing the actual amount of energy available during use. The automatic charging stop system protects devices when they are fully charged and prevents unnecessary power consumption.

22.5W fast charging and operating modes

The maximum output power of 22.5W enables fast charging of mobile devices – for example, the iPhone 15 Pro reaches 50% charge in approximately 26 minutes. The device offers two operating modes: standard mode and smart mode, which increases the available power by up to 30%. In smart mode, the indicator LED lights up in orange, and during fast charging it lights up in green, making it easy to monitor the device’s performance.

Emergency and safety reserve

Zero Power is equipped with an emergency reserve function that locks the last 10% of the battery capacity. This reserve of power allows you to make a call, use GPS or turn on the flashlight in critical situations. Safety features include protection against overheating, short circuit, overvoltage, overload and overdischarge.

Ready for the field

The device is designed to operate in harsh conditions – it has IPX4 water resistance against splashes and stable operation at low temperatures down to -10 ° C. The reliability of the design has been confirmed by tests that included more than 40,000 connection and disconnection cycles, ensuring a long service life even with intensive use.

Practical travel solutions

The integrated USB-C cable also doubles as a lanyard, allowing you to conveniently attach the portable battery to a backpack or outdoor gear, keeping the device close at hand for added convenience while traveling, hiking, or other outdoor activities.

Included in the kit

• Flextail Zero Power Portable Battery
• USB-C charging cable
• Carrying case
• User manual

Warranty: 12 months

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Same summary

This ultra-compact Flextail Zero Power power bank with a capacity of 10,000 mAh and an output of 22.5 W primarily meets the needs of users looking for reliable power for their phones while on the go, at school or in the field. The robust design with IPX4 protection allows safe use in various weather conditions, while the compact shape and lightweight carbon fiber material make it easy to store in a bag or pocket. The model is less suitable for charging more energy-intensive laptops or charging multiple devices at once for a long time, but offers a good balance between capacity, fast wired charging and portability. It especially stands out where weight and space count, but users do not want to compromise on the speed of charging their phone or headphones.

Recommendation source: Enaa guides and team experiences.

User view

This type of portable battery is most often found in the backpack of those who are often away from home: students, hikers, city travelers, or users who charge their phones on the go during lectures, at school, or at business meetings. The wired design and fast charging make it easy and reliable to use, regardless of the brand of phone or accessory.

Many people who value lightness and responsiveness often choose products from the Flextail brand, as this manufacturer emphasizes innovative solutions and robustness in everyday use.

Why buy at Enaa

At Enaa you can choose the power bank that suits your needs, with access to a wide range of products and proven brands. You can quickly find models with different capacities and power, and our selection filter by purpose of use makes it easier to decide for everyday or more demanding use.

Answers to frequently asked questions

How long can I charge my phone with this power bank?

The average modern phone will be charged approximately twice with this capacity (depending on the capacity of the phone's battery), and the method and speed of charging are also important for accurate utilization.

Is the power bank also suitable for charging other devices, such as wireless headphones and smartwatches?

Yes, the device is suitable for wired charging of all smaller devices that support a standard USB output, including headphones and smartwatches.

Is this model rain or dust resistant?

The model offers basic IPX4 protection, which means it is resistant to splashing water. However, it is not intended for immersion or exposure to heavy rain for extended periods of time.

Do I need to use a special cable for fast charging?

To achieve maximum charging speed, we recommend using a high-quality, appropriate cable that supports fast charging and is compatible with your phone or accessory.

Description updated: June 2026