01
Labelling and Marking of Batteries
Detailed battery markings including capacity, chemistry, safety symbols, and the separate collection symbol, in compliance with EU Battery Regulation 2023/1542.
A compact 10000mAh power bank engineered for modern travelers. Tri-port design with built-in Type-C cable delivers 45W PD fast charging in a pocket-sized 200g form.
The fundamentals that define PB31. Everything you need to know about what powers it, what's inside, and how it's built.
| Model | PB31 |
|---|---|
| Product Name | 45W Fast Charging Portable Power Bank |
| Manufacturer | FIOK |
| Battery Type | Lithium-ion battery (2S1P, two cells in series) |
| Battery Pack Capacity | 10000mAh |
| Battery Energy | 36Wh |
| Rated Capacity | 6000mAh (at 5V ⎓ 3A) |
| Dimensions | 106 × 55 × 26.1 mm |
| Weight | Approx. 200g |
| Port Configuration |
Type-C × 1
+
Built-in Type-C Cable × 1
+
USB-A × 1
|
| Max Input | 30W |
| Max Output | 45W |
| Display | Digital Tube Battery Level Display |
FIOK is committed to full compliance with the EU Battery Regulation. Below you will find all required documentation covering labelling, conformity, supply chain, and end-of-life management.
Per EU Battery Regulation 2023/1542, applicable to all batteries placed on the EU market.
Detailed battery markings including capacity, chemistry, safety symbols, and the separate collection symbol, in compliance with EU Battery Regulation 2023/1542.
Official declaration confirming that FIOK batteries meet all applicable EU safety, health, and environmental protection requirements.
Policies and procedures to identify, prevent, and mitigate social and environmental risks in our battery raw material supply chain.
Information for end-users on the proper collection, treatment, recycling, and disposal of waste batteries per EU Directive 2006/66/EC.
PB31 recharges via Type-C only at up to 30W. A 30W PD charger fills the pack in roughly 3 hours.
| Input Interface | Type-C only (USB-A cannot be used for simultaneous charging) |
|---|---|
| Input Voltage / Current |
5V⎓3A
9V⎓3A
12V⎓2.5A
15V⎓2A
20V⎓1.5A
|
| Charging Efficiency | ≥85% |
| Charging Time | Approx. 3 hours with a PD 30W charger |
Tri-port output with 45W peak. Charges laptops, tablets, and phones simultaneously without throttling critical devices.
| Type-C |
5V⎓3A 9V⎓3A 12V⎓2.5A 15V⎓2A 20V⎓2.25A
Max 45W
|
|---|---|
| USB-A |
5V⎓3A 9V⎓2A
Max 18W
|
| Multi-port (Type-C + USB-A) |
5V⎓6.1A
Dynamic distribution 30W Max
|
Wide protocol coverage ensures PB31 fast-charges virtually any modern device — phones, tablets, laptops, and accessories.
Multi-layer protection circuitry paired with international certifications make PB31 safe to carry, charge, and ship worldwide.
Day-to-day interaction with PB31 — power control, display behavior, and operating environment.
0°C ~ 45°C-20°C ~ 60°CDocumented variations across specifications, image markings, and cell-level data. Final values are taken from the actual product marking.
The latest documents state 10000mAh, earlier versions state 5000mAh, and the product image shows 4900mAh. Please refer to the actual product marking.
The cell specification indicates a total energy of 38.5Wh, but the product specification states 36Wh, which represents the usable energy.
Every FIOK product is backed by a comprehensive 3-year limited warranty. Full terms, claim procedures, and regional coverage details will be available on the dedicated warranty page.
From the date of purchase, your FIOK PB31 is covered against defects in materials and workmanship under normal use. Register your product within 30 days to activate the full coverage and unlock priority support.