Description
| Specification | Details |
|---|---|
| Brand | JoyRoom |
| Model | JR‑PBF14 |
| Battery Capacity | 20 000 mAh (74 Wh); ~12 000 mAh usable |
| Ports | 1× USB‑C (I/O)- 2× USB‑A |
| Output per Port | Up to 5 V / 2.4 A |
| Combined Output | Shared max across all ports |
| LED Display | 4-level battery indicators |
| Safety | 6 protections: overcharge- current- voltage- temperature- short‑circuit |
| Material | Fire-resistant PC + ABS |
| Dimensions | 144 × 70 × 29 mm |
| Weight | 425 g |
| Color | Black |
JoyRoom JR‑PBF14 Power Bank 20 000 mAh – Reliable Power with LED Indicators
Massive 20 000 mAh Capacity
The JoyRoom JR‑PBF14 power bank is equipped with a high-capacity 20 000 mAh (74 Wh) lithium-polymer battery- offering a usable output of approximately 12 000 mAh. This capacity allows you to charge a typical smartphone 4 to 5 times- making it perfect for extended trips- busy schedules- or emergencies.
Triple-Port Output for Multi-Device Charging
This model features one USB‑C port (for input and output) and two USB‑A output ports. All ports deliver up to 5 V / 2.4 A- enabling you to charge three devices simultaneously while maintaining stable performance.
LED Battery Status Display
The built-in four LED indicators clearly show the remaining battery percentage- letting you know when it’s time to recharge. This user-friendly feature avoids battery surprises and adds convenience to everyday use.
Safe- Smart- and Durable
The power bank is built from fire-resistant PC + ABS plastic and integrates six safety protection features- including overcharge protection- overcurrent protection- overvoltage protection- short-circuit protection- and thermal regulation. The intelligent circuitry ensures that your devices and the power bank stay safe under all conditions.
Broad Device Compatibility
The JR‑PBF14 is compatible with a wide range of USB-powered electronics- including smartphones (Android and iOS)- tablets- gaming devices- Bluetooth headphones- and more. It’s ideal for travelers- students- and everyday users who need reliable backup power.
Why Choose the JR‑PBF14?
Q: How many times can it charge a smartphone?
A: It can charge most smartphones 4 to 5 times on a single full charge.
Q: Can it charge multiple devices at once?
A: Yes- it supports triple charging with two USB‑A ports and one USB‑C port.
Q: How can I check how much battery is left?
A: The power bank has four LED indicators that clearly show the battery level.
Q: Is it safe for travel and daily use?
A: Absolutely. It comes with six built-in safety protections and durable- fire-resistant housing.
Q: Is it compact enough to carry daily?
A: Yes- despite its large capacity- it is compact and portable- weighing about 425g.