Tekzox – Ronin R-4025 20000mAh Fast Charging Power Bank
Stay powered for longer with the Ronin R-4025 Power Bank, engineered for users who demand reliable performance and extended battery backup. Featuring a massive 20,000mAh Li-Polymer battery, this high-capacity power bank is ideal for charging smartphones, iPhones, earbuds, tablets, and other essential devices multiple times throughout the day.
Designed with a sophisticated matte finish and compact profile, the R-4025 combines style with functionality. Equipped with 22.5W Max Fast Charging technology and Power Delivery (PD) support, it delivers rapid and efficient charging while maintaining device safety. The built-in digital battery display allows you to monitor the remaining power level with ease, ensuring you're never caught off guard.
With both Type-C and Lightning input options, along with USB-A and Type-C outputs, the Ronin R-4025 offers exceptional versatility for modern devices. Whether you're traveling, working remotely, or simply need dependable backup power, the R-4025 is built to keep you connected wherever you go.
Specifications
| Feature |
Details |
| Brand |
Ronin |
| Model |
R-4025 |
| Capacity |
20,000mAh |
| Battery Type |
Li-Polymer |
| Rated Capacity |
12,800mAh (5V) |
| Fast Charging |
22.5W Max Fast Charging |
| Input Ports |
Type-C, Lightning |
| Output Ports |
USB-A, Type-C |
| Technology |
PD Fast Charging |
| Display |
Digital Battery Indicator |
| Compatibility |
Smartphones, iPhones, Earbuds, Tablets & More |
| Weight |
421g |
| Dimensions |
142 × 69 × 30mm |
| Warranty |
1 Year Official Warranty |
Frequently Asked Questions
| Question |
Answer |
| What is the battery capacity of the Ronin R-4025? |
The Ronin R-4025 features a high-capacity 20,000mAh Li-Polymer battery for extended power backup. |
| Does the R-4025 support fast charging? |
Yes, it supports up to 22.5W Max Fast Charging along with PD Fast Charging technology. |
| Which devices can be charged with the R-4025 Power Bank? |
It is compatible with smartphones, iPhones, earbuds, tablets, smartwatches, and other USB-powered devices. |
| What battery type is used in the R-4025? |
The power bank uses a premium Li-Polymer battery designed for enhanced safety and long-lasting performance. |
| What input ports are available on the R-4025? |
It features both Type-C and Lightning input ports for convenient recharging. |
| What output ports does the R-4025 offer? |
The device includes USB-A and Type-C output ports for charging multiple compatible devices. |
| How long does it take to fully recharge the power bank? |
It takes approximately 16–24 hours with a standard 2.0A adapter and around 9 hours with an 18W fast charger. |
| Does the R-4025 have a battery level indicator? |
Yes, it includes a digital display that shows the remaining battery percentage in real time. |
| What is the weight of the Ronin R-4025? |
The power bank weighs approximately 421 grams. |
| What comes inside the box? |
The package includes the Ronin R-4025 Power Bank, Charging Cable, User Manual, and Warranty Card. |
| Does the R-4025 come with a warranty? |
Yes, it is backed by a 1-Year Official Ronin Warranty. |