Description
| Specification | Details |
|---|---|
| Brand | Choetech |
| Model | B729 / PowerDrive B729 |
| Capacity | 20-000 mAh (approx. 37 Wh) |
| Ports | 1× USB‑C (PD 22.5 W output/input)- 2× USB‑A (Fast charge to 22.5 W combined) |
| Recharge Input | USB‑C: 5 V/2.4 A- 9 V/2 A- 12 V/1.5 A (18 W max) |
| Output Ratings | USB‑C: up to 20 W; USB‑A ports: up to 22.5 W / total 22.5 W when all ports in use |
| Display | LED digital percentage indicator |
| Battery Retention | Approx. 50 % charge after 3 months unused |
| Size | ~150 × 68 × 28 mm |
| Weight | Lightweight- highly portable |
| Safety | Over‑charge- over‑heat- over‑current- short‑circuit protection; CE/FCC/RoHS certified |
| Material | ABS + PC plastic |
Choetech PowerDrive B729 (20000 mAh- PD 22.5 W) – Compact- Fast & Smart
The Choetech B729 Power Bank is a high-capacity portable charger that blends strong performance- smart charging- and a durable design. With 20-000 mAh capacity- triple-port versatility- and digital monitoring- it's ideal for long trips- field work- and everyday fast charging needs.
Fast & Flexible Charging
-
Power Delivery 22.5 W USB‑C output and dual USB‑A ports ensure rapid charging.
-
Simultaneously charge up to three devices—great for phones- tablets- headphones- and more.
Massive 20-000 mAh Capacity
-
Offers Multiple full charges of smartphones and tablets.
-
Retains around 50 % of its charge even after months of inactivity.
Digital LED Display for Easy Monitoring
-
The digital screen gives precise remaining battery percentage- making power management easy and accurate—no guesswork.
Smart Protection & Certified Safety
-
Equipped with safeguards: overcharge- overheat- overcurrent- short-circuit protection- and more.
-
Complies with CE- FCC- RoHS standards for dependable safety.
Convenient Recharge Options
-
Recharge via USB‑C input at up to 18 W- or use dual USB‑A or Lightning (on some versions).
-
Full recharge time ranges from 4–6 hours- depending on the power source.
Compact & Durable Build
-
Built with ABS + PC materials- measuring approximately 150 × 68 × 28 mm—pocket and bag friendly.
-
Sleek black finish with a robust case suitable for travel and outdoor use.
Why Use the Choetech B729?
Q: Is 22.5 W really fast?
A: Yes—this PD output can charge many phones to 60 % in just 30 minutes.
Q: Can I charge multiple devices at once?
A: Absolutely—with 1 USB‑C and 2 USB‑A outputs- you can power up to three devices simultaneously.
Q: Will the battery last long between uses?
A: Yes—testing shows it holds about 50 % charge after being idle for 3 months.
Q: Is it easy to track remaining power?
A: The LED display shows exact percentage- so you're never in the dark.
Q: Is it safe and reliable?
A: With built-in protection and major safety certifications- it's designed for dependable daily use