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| Main Feature | ||
| Capacity | 48000mAh | |
| Display | Digital display | |
| Output | 300W | |
| Interface | Dual USB Type-A, Tri USB Type-C | |
| Physical Specifications | ||
| Color | Gray | |
The UGREEN PB770 (25286) is a high-capacity portable power bank designed for users who need dependable charging while traveling, working outdoors, or during long commutes. With a massive 48,000mAh battery, it’s built to recharge compatible devices multiple times, helping you stay productive and connected even when wall power isn’t available. Its 300W output supports fast, high-power charging for a wide range of devices, making it a practical choice for smartphones, tablets, and power-hungry electronics that benefit from higher wattage.
A 48,000mAh capacity gives you more usable energy than typical smaller power banks, which is especially useful for day trips, business travel, and situations where you may not find charging points. Compared to lower-capacity models, the PB770 is better suited for users who want fewer charging interruptions and more confidence during extended use—such as charging a phone and laptop in the same day or keeping essential devices topped up throughout the day.
The PB770 delivers up to 300W output, which can significantly reduce downtime when charging compatible devices. This makes it a strong option for users who frequently rely on multiple gadgets—like a phone plus a tablet, or a laptop that supports higher input power. For best results, ensure your devices are compatible with this power level, since extremely high-power gadgets may not charge as efficiently if they require specific charging profiles.
A key convenience feature is the digital display, which shows the remaining battery life. This helps you plan charging more accurately—so you can recharge the power bank before it runs out, rather than guessing. It’s particularly helpful during travel when you want to manage power usage efficiently and avoid unexpected shutdowns.
The UGREEN PB770 includes dual USB Type-A and tri USB Type-C ports, giving you flexible connectivity for different devices and cables. This port variety is convenient when you have mixed device types—such as older accessories that use Type-A and newer devices that use Type-C. It also supports multi-device charging, which is useful for families, teams, or anyone carrying more than one gadget. If you often charge multiple devices at once, having both Type-A and Type-C options reduces the need to constantly swap cables.
Available in grey, the PB770 is designed to fit easily into your bag for on-the-go power. While the source information does not list weight or dimensions, the overall positioning of this model is clearly for portable backup charging—ideal for commuting, travel days, and work setups where you want a reliable power reserve.
The PB770 does not come with a charging cable, so you should prepare the appropriate cables for your devices before use. Additionally, while the 300W output is designed for fast charging, charging efficiency depends on device compatibility. For a smoother experience, check that your devices support charging at the required power level and use suitable cables for stable performance.
This power bank is a strong fit for users who want a single, powerful solution for daily charging needs and travel backup. It’s especially useful for people who carry multiple devices, need a clear battery status via the digital display, and prefer higher-watt charging to reduce waiting time. If you’re looking for a 48,000mAh class power bank with a 300W output and versatile port options, the UGREEN PB770 (25286) is a practical choice for Bangladesh users who want reliable portable power.
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