Description
| Specification | Details |
|---|---|
| Brand | JoyROOM |
| Model | JR‑PBF14 |
| Battery Type | Lithium‑polymer- 20 000 mAh (74 Wh) |
| Rated Output | 12 000 mAh @ 5 V = 2.4 A |
| Ports | 1× USB‑C (in/out)- 2× USB‑A |
| Port Current | Up to 5 V/2.4 A per port |
| Fast-Charge Support | Power Delivery- Quick Charge (up to ~22.5 W) |
| LED Indicators | 4 LEDs for battery status |
| Safety Protections | OCP- OVP- OTP- OPP- ODS- thermal control |
| Dimensions | 144 × 70 × 29 mm |
| Weight | ~425 g |
| Material | PC + ABS fireproof plastic |
| Color | Black |
JoyROOM JR‑PBF14 LED Power Bank – 20 000 mAh- 2.4 A Output
High‑Capacity Portable Charger for All-Day Use
The JoyROOM JR‑PBF14 is a sleek- high-capacity power bank designed for reliable mobile charging. Equipped with a 20 000 mAh lithium-polymer battery (74 Wh)- it provides ample energy to charge smartphones up to four times or tablets for extended use—perfect for travel- long days- and multi-device setups .
Key Features
Massive Battery with Real Output
20 000 mAh at 3.7 V (74 Wh) total capacity; rated usable capacity is about 12 000 mAh at 5 V/2.4 A .
Enough juice to power an iPhone 15 Pro up to four times or a Samsung Galaxy S23 Ultra nearly four times .
Triple-Port Convenience
Features one USB‑C (input/output) and two USB‑A ports.
Each port delivers up to 5 V/2.4 A simultaneously- allowing three devices to charge at full speed together .
Fast Charging Support
Offers fast charging capabilities such as Power Delivery and Quick Charge- enabling up to 22.5 W output for rapid recharging .
LED Battery Level Indicator
Four LEDs accurately display remaining battery power—no guesswork between charges .
Smart Safety First
Includes multiple protections: over-current- over-voltage- short-circuit- over-temperature- and more- with an integrated temperature-control chip .
Durable & Portable Design
Compact size (144 × 70 × 29 mm) and lightweight (approx. 425 g)- housed in fireproof PC+ABS plastic—light enough for travel .
Why Choose the JR‑PBF14?
Long-lasting charge: Ideal for travelers- commuters- and users of multiple devices.
Simultaneous charging: Charge three devices at once efficiently.
Rapid recharge: Quick top-ups keep you powered with minimal downtime.
Clear battery insight: LED indicators ensure you're never caught off-guard.
Built to last: Robust internal safety and rugged build keep you secure.
Questions & Answers
Q: How many times can it fully charge an iPhone?
A: On average- it can recharge an iPhone 15 Pro about four times from empty .
Q: Can I charge three devices at once?
A: Yes. One USB‑C and two USB‑A ports can charge devices simultaneously at full 2.4 A rates .
Q: Does it recharge quickly itself?
A: It supports fast recharge (PD/QC) up to around 18–22.5 W for faster turnaround .
Q: How do I check remaining power?
A: Four LED lights indicate battery status in clear segments .
Q: Is it safe and sturdy?
A: Yes—it features six-layer safety protection and is made from fireproof PC+ABS polymer






