PC Builder
| Main Feature | ||
| Brand | Acefast | |
| Model | M21 | |
| Battery Capacity | 20,000mAh | |
| Rated Capacity | ~12,000mAh | |
| Total Output | 18W Max | |
| Display | Smart LED Digital Display | |
| Fast Charge | Yes | |
| Built-in Cable | Yes | |
| Battery Type | Lithium-ion Polymer | |
| Extra Cable | No | |
| Connectivity & Power | ||
| Input | 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25A (65W Max) | |
| Output | 5V/3A, 9V/3A, 12V/3A, 15V/3A, 20V/3.25A (65W Max) | |
| Energy Conversion Rate | ≥75% | |
| Compatibility | Laptops (MacBook, Dell XPS), Tablets (iPad Pro), Smartphones, Steam Deck | |
| Recommended Charging Input | 65W PD Wall Charger | |
| Safety & Physical Specification | ||
| Shell Material | Flame-retardant PC + ABS | |
| Flashlight (Torch) | No | |
| Physical Button | Yes | |
| Dimension (L x W x H) | 157 x 54 x 48 mm | |
| Protection Features | Over-charge, over-discharge, short-circuit, over-temperature, and NTC protection | |
| Country of Origin | China | |
| Country of Assembly | China | |
| Weight | ~435g | |
| Color | Black | |
| Additional Info | ||
| Use Case | Laptop charging, travel, business trips, gaming (Steam Deck/ROG Ally) | |
| Specialty | High-density battery cells for a compact "candy bar" form factor despite high capacity. | |
| Warranty Details | ||
| Warranty | Month Warranty (Must Claim With Box & All Accessories) | |
The Acefast M21 20000mAh 65W Power Bank is designed for power users who need speed and reliability. With its 65W ultra-fast PD charging, it can even charge laptops, alongside smartphones, tablets, and other gadgets.Its massive 20000mAh capacity ensures multiple recharges, while the multi-port design lets you charge multiple devices at the same time. The LED power display provides accurate battery tracking, and its slim, portable design makes it perfect for travel or daily use.Whether you’re working, gaming, or traveling, the Acefast M21 keeps you connected and powered up. Get it now at Tech Shosta Bangladesh.
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