Belkin BoostCharge Power Bank 10K with Integrated Cable — Black
10,000 mAh capacity20 W USB-C Power DeliveryCable built in — nothing to forgetPass-through charging
The Belkin BoostCharge Power Bank 10K (part number BPB021HQBK) carries its own USB-C cable built into the body, which is the point of it: the power bank you actually use is the one you cannot leave the cable for at home. Capacity is 10,000 mAh — Belkin quotes 43 hours of playback on an iPhone 15 Pro — and the integrated cable delivers 20 W of USB-C Power Delivery, enough to take an iPhone 15 Pro from flat to 50% in about 26 minutes. There is a second, separate USB-C port, so two devices can charge at once (at up to 15 W shared), and the same port recharges the bank. Pass-through power means the bank can charge a phone while it is itself plugged into the wall. The housing, cable aside, is made from 72% post-consumer recycled plastic and it ships in plastic-free packaging.
Compatibility — check before buying:
Both outputs are USB-C. That covers current iPhones (15 series and later), Samsung Galaxy, Google Pixel, iPad, Nintendo Switch and Apple Watch charging pucks. For an iPhone 13 or 14, or anything else with a Lightning port, you need a USB-C to Lightning cable, which is not included. Note the integrated cable is deliberately short at 5.7 cm — it is designed for the phone to sit against the bank, not to reach across a desk; use the separate USB-C port with your own cable when you want distance.
Best For
✓ Anyone who keeps forgetting the charging cable
✓ Commuters and travellers who need a top-up, not a full second battery
✓ iPhone 15 and later, Pixel, Galaxy and iPad owners
✓ People who want to charge phone and earbuds at the same time
✓ Anyone who wants a bank small enough to stay in a jacket pocket
✓ Buyers who care that the housing is 72% recycled plastic
Key Features
The cable is part of the bank
A short USB-C cable is moulded into the body, so there is nothing separate to lose. It handles the full 20 W, so the built-in cable is not the slow option — it is the main one.
20 W Power Delivery, 10,000 mAh
20 W (9 V / 2.22 A) from a single output takes an iPhone 15 Pro to 50% in about 26 minutes. 10,000 mAh is roughly two full phone charges, or 43 hours of playback by Belkin’s measure.
Two devices at once, and pass-through
Use the integrated cable and the separate USB-C port together for two devices at up to 15 W total. Pass-through power lets the bank charge a device while it is recharging from the wall, so one socket covers both.
Small, recycled, honestly packaged
99 × 64 × 23 mm, light enough to forget in a pocket. The housing is 72% post-consumer recycled plastic and the box is plastic-free, with an indicator light for the remaining charge.
Technical Specifications
| Identification |
| Brand |
Belkin |
| Model |
BoostCharge Power Bank 10K with Integrated Cable |
| Part Number |
BPB021HQBK |
| MPN |
BPB021HQBK |
| EAN / GTIN |
0745883891801 |
| Capacity and output |
| Capacity |
10,000 mAh |
| Single-port output |
9 V / 2.22 A / 20 W max (USB-C PD) |
| Two-port output |
5 V / 3 A / 15 W total |
| Outputs |
Integrated USB-C cable + 1 × USB-C port |
| Input |
USB-C, Power Delivery 20 W max |
| Pass-through |
Yes — charges a device while recharging |
| Runtime quoted |
43 hours playback, iPhone 15 Pro |
| Compatibility |
| Native |
USB-C devices — iPhone 15 series and later, Galaxy, Pixel, iPad, Nintendo Switch, Apple Watch |
| iPhone 13 / 14 |
Requires a USB-C to Lightning cable, sold separately |
| Charging speed example |
iPhone 15 Pro 0–50% in about 26 minutes |
| Physical |
| Dimensions |
99 × 64 × 23 mm (3.9 × 2.5 × 0.9 in) |
| Integrated cable length |
5.7 cm (2.2 in) |
| Housing material |
72% post-consumer recycled plastic (excluding cable) |
| Status |
Indicator light |
| Colour |
Black |
| Support |
| In the box |
Power bank with integrated USB-C cable, quick start guide, regulatory information |
| Packaging |
Plastic-free |
| Warranty |
1-Year Warranty (Singular) |
| Manufacturer Term |
Belkin calls this a “Power Bank” (BoostCharge 10K with Integrated Cable); it is listed under Phone Chargers as the site has no Power Banks category. |
Frequently Asked Questions
How many phone charges does 10,000 mAh give?
Roughly two full charges for a typical phone. Belkin quotes 43 hours of playback on an iPhone 15 Pro, and 0–50% in about 26 minutes from flat.
Can I charge my iPhone 13 with it?
Yes, but not with the built-in cable — that is USB-C. You need a USB-C to Lightning cable, which is not supplied.
Can it charge two devices at the same time?
Yes. Use the integrated cable and the separate USB-C port together; total output in that mode is 15 W (5 V / 3 A) rather than 20 W.
Can I use it while it is charging?
Yes. Pass-through power lets the bank charge a connected device while it is itself plugged into a wall charger, so you only need one socket overnight.
Singular Expert Insight
Every power bank spec sheet leads with capacity, but the number that decides whether you keep using one is whether the cable is attached. A 10,000 mAh bank in a drawer next to its missing cable is 0 mAh. Belkin moulds a full-speed 20 W USB-C cable into the body and keeps a spare port for a second device — that is the whole design argument, and it is the right one for a bank this size. Two caveats worth knowing before you buy: the built-in cable is 5.7 cm, so the phone rides against the bank rather than beside it, and there is nothing for Lightning devices in the box. If you have an iPhone 13 or 14, add a
USB-C to Lightning cable; for wall charging, see our
phone chargers.
Buyer's Guide
Buy it if
You want a pocket-sized top-up that always has its cable with it, you are on USB-C, and 20 W fast charging matters more than huge capacity.
Skip it if
You need to charge a laptop or want multiple full recharges — look at a 20,000 mAh bank with higher wattage — or all your devices are Lightning.
Also consider
A USB-C to Lightning cable for iPhone 13 and 14, and a 20 W or higher USB-C wall charger so the bank itself refills at full speed.