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Courier delivery
Our courier will deliver to the specified address
Inside Dhaka: 70 TK
Outside Dhaka: 130 TK
3,390৳
Our courier will deliver to the specified address
Inside Dhaka: 70 TK
Outside Dhaka: 130 TK
In an era where our devices are an extension of ourselves, running out of battery is simply not an option. The Acefast M21 20000mAh 65W Power Bank is a high-performance, compact, and highly efficient solution to all your power needs. From the innovative brand Acefast, this power bank stands out with its powerful 65W output, a massive 20000mAh capacity, and the incredible convenience of an attached USB-C cable. As a premium product in the Power Bank category. At GearBaba, we are dedicated to bringing you the best tech accessories, and the Acefast M21 is a testament to our commitment to quality and innovation.
The defining feature of the Acefast M21 is its 65W bidirectional fast charging. This allows the power bank to not only deliver lightning-fast power to your devices but also to be recharged quickly itself. With a built-in USB-C cable that supports this high power output, you no longer have to carry an extra cable. This single accessory can power a MacBook, Dell XPS, or other modern laptops, making it a true mobile workstation essential. The 20000mAh capacity (rated at 12000mAh) provides ample power to charge a smartphone multiple times or give your laptop the boost it needs to get through a crucial meeting or flight.
The Acefast M21 is a master of convenience. It features a stunning semi-transparent LED digital display that shows the exact battery percentage in real-time. This eliminates guesswork and ensures you’re always aware of how much power you have left. In addition to the built-in USB-C cable, the power bank also has a dedicated USB-A port with a 22.5W output and a separate USB-C port, allowing you to charge three devices simultaneously. It supports a wide range of fast-charging protocols, including PD, QC, FCP, and AFC, ensuring universal compatibility with nearly all of your gadgets.
Designed for the modern traveler, the Acefast M21 is compact, lightweight, and UN38.3 certified, making it safe for air travel. The low-current mode is a thoughtful feature that allows you to safely charge smaller devices like Bluetooth earphones and smartwatches. With its flame-retardant PC casing and multiple built-in safety protections (over-current, short-circuit, over-temperature, etc.), this power bank is not only powerful and convenient but also exceptionally safe and reliable.
| Specification | Details |
| Brand | Acefast |
| Model | M21 |
| Battery Type | Lithium-Polymer |
| Battery Capacity | 20000mAh (Rated: 12000mAh) |
| Input (USB-C/Cable) | 5V⎓3A, 9V⎓3A, 12V⎓3A, 15V⎓3A, 20V⎓2.25A (45W Max) |
| Output (USB-C/Cable) | 5V⎓3A, 9V⎓3A, 12V⎓3A, 15V⎓3A, 20V⎓3.25A (65W Max) |
| Output (USB-A) | 5V⎓3A, 9V⎓2A, 10V⎓2.25A, 12V⎓1.5A (22.5W Max) |
| Material | Flame-retardant PC |
| Display | LED Digital Display |
| Dimensions | 108 x 68 x 32.5mm |
| Weight | 345g |
| Certifications | CE, FCC, RoHS, UN38.3 |

Q1: Can this power bank charge my laptop? A1: Yes, the Acefast M21 has a 65W USB-C output, which is powerful enough to charge a variety of laptops that support USB-C Power Delivery, including MacBooks, Dell XPS models, and more.
Q2: What is the benefit of the attached USB-C cable? A2: The built-in cable means you don’t have to carry a separate charging cable for the power bank or your USB-C devices. It is a dual-purpose cable for both charging the power bank and charging your gadgets.
Q3: How many devices can I charge at once? A3: You can charge up to three devices simultaneously using the attached USB-C cable, the separate USB-C port, and the USB-A port.
Q4: Is it safe to carry this power bank on an airplane? A4: Yes, the Acefast M21 is UN38.3 certified, making it compliant with international air travel safety standards for carry-on luggage.
Q5: What is the difference between the 20000mAh and 12000mAh capacity? A5: 20000mAh is the total cell capacity of the power bank’s battery. The 12000mAh is the “rated capacity” or “effective output capacity,” which accounts for energy loss during the charging and discharging process. It’s a more accurate measure of the actual power available to your devices.
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