Description
| Specification | Details |
|---|---|
| Brand | Choetech |
| Model | B728 |
| Capacity | 10 000 mAh / 37 Wh |
| Ports | 1× USB‑C (PD input/output)- 2× USB‑A |
| Output Power | USB‑C: 5V–3A- 9V–2.22A- 12V–1.67A (20 W max); USB‑A: up to 22.5 W |
| Input Power | USB‑C: 5V–2.4A- 9V–2A- 12V–1.5A (18 W max) |
| Display | LED digital percentage |
| Material | ABS + PC plastic |
| Safety | CE- FCC- RoHS; multi‑protection system |
| Dimensions | 149.5 × 67.4 × 15.5 mm |
| Weight | Lightweight- portable |
Choetech Power Bank B728 – 10 000 mAh- PD 22.5 W (Black)
The Choetech B728 Power Bank is a powerful and compact portable charger designed for modern users who need fast- reliable charging on the go. With 10 000 mAh capacity- dual-port versatility- a digital display- and comprehensive safety and fast‑charge features- it’s ideal for travel- outdoor use- and daily power needs.
Fully Featured 10 000 mAh Capacity
With a 37 Wh (10 000 mAh) battery cell- the B728 can charge smartphones and smaller tablets multiple times—making it a dependable companion when no outlet is available.
Fast PD 22.5 W & Dual USB‑A Charging
Equipped with USB‑C PD output at up to 20 W and two USB‑A ports that deliver up to 22.5 W when used alone. Simultaneously charge up to three devices—great for powering your phone- Bluetooth earphones- and a tablet.
Digital LED Display
The built-in LED screen shows the exact remaining battery percentage- making it easy to manage power and avoid unexpected shutdowns.
Smart Input & Fast Recharge
The USB‑C input supports up to 18 W recharging (5 V/2.4 A- 9 V/2 A- 12 V/1.5 A)- allowing full recharges in roughly 4–6 hours- depending on the charger used.
Reliable & Safe Build
Encased in durable ABS + PC plastic and certified with CE- FCC- RoHS- the B728 includes protections against overcharge- over‑current- short‑circuits- and overheating—ensuring safety for you and your devices.
Why Choose the Choetech B728?
Q: Can it charge multiple devices quickly?
A: Yes- with 22.5 W PD and dual USB‑A- you can fast-charge up to three gadgets simultaneously.
Q: How much battery life does it hold?
A: The 10 000 mAh cell provides multiple full charges for most smartphones- and it retains about 50% capacity after months of inactivity.
Q: Is the battery reading accurate?
A: Yes- the LED display shows precise percentages so you always know exactly how much power remains.
Q: Is it safe for travel?
A: Absolutely—its robust housing- safety certifications- and smart protection system make it safe for travel and everyday use.
Q: How long to fully recharge?
A: Using an 18 W USB‑C charger- it refills in about 4–6 hours- which is efficient for its capacity.