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Category Specification
Capacity20000mAh/3.7V/74WH
Input (USB-C)5V=2.4A, 9V=2.0A, 12V=1.5A (18W)
Output (USB-C)5V=2.4A, 9V=2.22A, 12V=1.67A (20W)
Output (USB-A)5V=2.4A, 9V=2.0A, 12V=1.5A (18W)
Product Size149*72.5*17.5mm
Weight323g±5g
MaterialABS
Q
Is the PB105A power bank compatible with my iPhone 15 Pro Max and also my Samsung Galaxy S24 Ultra?
A
Yes—this portable charger supports PD fast charging through its USB-C port at up to 20W output, which means you can get quick top-ups on both your iPhone or Android flagship device. The USB-A port adds another way to charge a second device simultaneously—perfect for keeping your phone and wireless earbuds or tablet powered up at the same time.
Q
How many times can I actually charge my phone before this power bank runs out of juice?
A
With a massive 20000mAh capacity under the hood, you'll typically get around 4-5 full charges for most modern smartphones before needing to recharge the power bank itself. It's ideal for weekend trips, busy workdays, or anyone who hates hunting for outlets when they're out and about.
Q
Will this fit comfortably in my everyday bag without adding too much weight?
A
At just over half an inch thick (17.5mm) and weighing roughly 323 grams, this thing slips into backpacks, laptop bags, or even larger purses without any real hassle. The compact rectangular shape maximizes battery density while staying slim enough that you won't notice it until you need it.
Q
Is it safe to bring on airplanes for international travel?
A
Absolutely—this meets airline carry-on requirements since it's well under the typical 100Wh limit airlines permit for portable power banks. You can take it through security no problem as long as it's in your carry-on bag rather than checked luggage.
Q
What's holding up durability-wise if I'm buying these in bulk for retail?
A
The ABS shell material gives it solid impact resistance while keeping the overall weight manageable—important because customers tend to toss these into bags without thinking twice. Combined with built-in safeguards against overcharging, overheating, and short circuits, you're looking at a low-return product that holds up to real-world handling by everyday consumers.
Compare with other HAVIT models Key specs side by side
Specification
PB105A power bank 20000mAh compact aluminum front view | HAVITPB105A This model
PB5213 power bank 25000mAh compact aluminum front view | HAVITPB5213 View details → PB50 power bank 27000mAh compact aluminum front view | HAVITPB50 View details → PB5211 power bank 10200mAh compact aluminum front view | HAVITPB5211 View details →
Weight 323±5 g477±5 g645±5 g209±5 g
Dimensions 149×72.5×17.5 mm159×83×27 mm155×52×49 mm104×64×23 mm

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