Portable energy: Stay connected wherever you are
In a fully digitized world, where our mobile phone serves as a map, camera, wallet, and communication tool, a dead battery in the middle of the day can be a real problem. To avoid these unpleasant moments while traveling, at the office, or hiking, a power bank has become an essential accessory. At Global Store, we bring you reliable portable power solutions, designed to keep your devices active from early morning to late at night.
Explore a diverse selection of power banks that combine performance with a compact design. We offer batteries with various capacities, from slim and lightweight 10,000 mAh models (perfect for urban daily use) to massive 20,000 mAh or 30,000 mAh powerhouses, ideal for extended vacations or festivals. Most of our models feature multiple ports (USB-A, USB-C) and Fast Charge / Power Delivery technologies, allowing simultaneous charging of multiple devices. Buy online and make sure you're always at 100%, enjoying fast delivery throughout Moldova.
How to choose the right capacity and model?
The capacity of an external battery, measured in milliampere-hours (mAh), is the most important selection criterion. If you need a backup source for a single day, a 10,000 mAh model is sufficient and comfortable to carry in your pocket. It can charge an average smartphone about 2-3 times. If you go camping, on a long trip, or have multiple devices (phone, tablet, wireless headphones), a power bank of 20,000 mAh or more is absolutely necessary.
Another essential aspect is the charging speed, expressed in Watts (W). Look for models that support technologies such as Quick Charge (QC) or Power Delivery (PD) of 18W, 20W, or more. These significantly reduce the time it takes for your phone to go from 0 to 50%. Also, the presence of bidirectional USB-C ports is a great advantage, allowing both the fast charging of the phone and the fast recharging of the power bank itself.
| Capacity (mAh) | Features and Size | Recommended Usage |
|---|---|---|
| 10,000 mAh | Very thin, lightweight, fits in the pocket | Urban daily use, going to the office, school. |
| 20,000 mAh | Medium weight, multiple charging ports | City breaks, traveling by train/plane. |
| 30,000+ mAh | Bulky, heavy, huge storage capacity | Camping, festivals, no power for 3-4 days. |
Frequently Asked Questions about Power Banks
Why doesn't a 10,000 mAh battery charge my 5,000 mAh phone exactly 2 times?
This is due to the phenomenon of energy conversion. The batteries inside the power bank usually operate at 3.7V, but the USB standard requires 5V for charging. This voltage transformation process, combined with the natural loss of energy as heat, means the real efficiency of any external battery is around 65-70% of the stated capacity. So, a 10,000 mAh power bank actually delivers around 6500-7000 usable mAh.
How long does it take to fully recharge a power bank?
Recharge time depends on the capacity of the external battery and the power of the wall charger you are using. If you recharge a 20,000 mAh battery with an old 5W (1A) charger, it can take over 12 hours. If you use an 18W-20W fast charger (and the battery supports USB-C Fast Charge input), the charging time can be reduced to about 5-6 hours.
Can I take my power bank in my hand luggage on a plane?
Yes, external batteries MUST be taken in your hand luggage (cabin bag) and are strictly prohibited in checked luggage for fire safety reasons. Most airlines allow batteries with a capacity of up to 27,000 mAh (maximum 100Wh). Make sure the label with the specifications (mAh/Wh) is legible on the battery casing.